Station Overview Station Location
Station Number NJ-MC-9 Latitude 40.270706
Station Name Lawrence Twp 1.8 SSW Longitude -74.729514
County Mercer Elevation (ft) 101



Month 30 Yr Avg by PRISM Total Prcp Sum Days Covered By All Observations Daily Prcp Sum Daily Observation Count Multiday Prcp Sum Days Covered by Multiday Observations Multiday Observation Count Days With Prcp Days With Trace Total Snowfall Days With Snowfall Days With Snow On Ground
Oct 10 3.77 4.59 30 2.95 13 1.64 17 1 7 1 0.0 0 0
Nov 10 3.61 1.88 29 1.88 29 0.00 0 0 11 0 0.0 0 0
Dec 10 4.06 2.23 31 2.23 19 0.00 12 0 5 5 0.2 1 1
Jan 11 3.50 4.44 30 3.75 29 0.69 1 1 12 3 24.5 10 19
Feb 11 2.79 2.65 28 2.65 28 0.00 0 0 10 2 1.3 3 19
March 11 4.28 4.81 30 4.79 28 0.02 2 1 11 1 0.0 0 0
April 11 4.05 6.75 30 6.60 28 0.15 2 1 16 1 0.0 0 0
May 11 4.12 3.87 31 3.87 31 0.00 0 0 16 0 0.0 0 0
June 11 4.38 4.54 30 4.54 30 0.00 0 0 13 1 0.0 0 0
July 11 5.36 3.36 31 3.36 31 0.00 0 0 10 1 0.0 0 0
Aug 11 4.14 16.31 31 15.73 27 0.58 4 1 12 0 0.0 0 0
Sept 11 4.42 7.64 30 7.64 30 0.00 0 0 14 3 0.0 0 0
Water Year Totals: 48.48" 63.07" 361 days 59.99" 323 3.08" 38 days 5 137 days 18 days 26.0" 14 days 39 days



Days in Water Year Cell Color Key
        Daily Observation with Prcp         Missing Day
        Multiday Observation         Daily/Multiday Observation Conflict

Day of Year Daily Prcp Multiday Prcp
10/1/2010 2.03
10/2/2010 **
10/3/2010 **
10/4/2010 **
10/5/2010 **
10/6/2010 **
10/7/2010 **
10/8/2010 **
10/9/2010 **
10/10/2010 **
10/11/2010 **
10/12/2010 **
10/13/2010 **
10/14/2010 **
10/15/2010 **
10/16/2010 **
10/17/2010 **
10/18/2010 1.64
10/19/2010 0.44
10/20/2010 0.03
10/21/2010 0.00
10/22/2010 0.02
10/23/2010 0.02
10/24/2010 0.00
10/25/2010 0.00
10/26/2010 T
10/27/2010 0.23
10/28/2010 0.18
10/29/2010 0.00
10/30/2010 0.00
10/31/2010
11/1/2010 0.00
11/2/2010 0.00
11/3/2010 0.00
11/4/2010 0.39
11/5/2010 0.69
11/6/2010 0.01
11/7/2010 0.00
11/8/2010 0.00
11/9/2010 0.05
11/10/2010 0.00
11/11/2010 0.00
11/12/2010 0.00
11/13/2010 0.00
11/14/2010 0.00
11/15/2010 0.01
11/16/2010 0.09
11/17/2010 0.35
11/18/2010 0.01
11/19/2010 0.01
11/20/2010 0.00
11/21/2010 0.00
11/22/2010 0.00
11/23/2010 0.00
11/24/2010 0.00
11/25/2010 0.00
11/26/2010 0.25
11/27/2010 0.02
11/28/2010 0.00
11/29/2010
11/30/2010 0.00
12/1/2010 0.29
12/2/2010 0.89
12/3/2010 0.00
12/4/2010 0.00
12/5/2010 0.00
12/6/2010 0.00
12/7/2010 T
12/8/2010 T
12/9/2010 T
12/10/2010 0.00
12/11/2010 0.00
12/12/2010 0.50
12/13/2010 0.54
12/14/2010 T
12/15/2010 T
12/16/2010 0.01
12/17/2010 0.00
12/18/2010 0.00
12/19/2010 0.00
12/20/2010 **
12/21/2010 **
12/22/2010 **
12/23/2010 **
12/24/2010 **
12/25/2010 **
12/26/2010 **
12/27/2010 **
12/28/2010 **
12/29/2010 **
12/30/2010 **
12/31/2010 **
Day of YearDaily PrcpMultiday Prcp
1/1/2011 0.69
1/2/2011 0.05
1/3/2011 T
1/4/2011 0.00
1/5/2011 0.00
1/6/2011 0.00
1/7/2011 0.08
1/8/2011 0.05
1/9/2011 0.18
1/10/2011 0.00
1/11/2011 0.00
1/12/2011 0.62
1/13/2011 0.00
1/14/2011 0.00
1/15/2011 0.00
1/16/2011 0.00
1/17/2011 0.00
1/18/2011 0.38
1/19/2011 0.20
1/20/2011
1/21/2011 0.32
1/22/2011 0.00
1/23/2011 0.00
1/24/2011 T
1/25/2011 0.00
1/26/2011 0.07
1/27/2011 1.76
1/28/2011 T
1/29/2011 0.03
1/30/2011 0.01
1/31/2011 0.00
2/1/2011 0.06
2/2/2011 0.74
2/3/2011 0.10
2/4/2011 0.00
2/5/2011 T
2/6/2011 0.24
2/7/2011 0.00
2/8/2011 0.09
2/9/2011 0.00
2/10/2011 0.00
2/11/2011 0.00
2/12/2011 0.00
2/13/2011 0.00
2/14/2011 0.00
2/15/2011 0.00
2/16/2011 0.00
2/17/2011 0.00
2/18/2011 T
2/19/2011 0.00
2/20/2011 0.00
2/21/2011 0.04
2/22/2011 0.06
2/23/2011 0.00
2/24/2011 0.00
2/25/2011 0.62
2/26/2011 0.48
2/27/2011 0.00
2/28/2011 0.22
3/1/2011 0.06
3/2/2011 0.00
3/3/2011 0.00
3/4/2011 0.00
3/5/2011 T
3/6/2011 0.01
3/7/2011 2.18
3/8/2011 0.00
3/9/2011 0.00
3/10/2011 0.03
3/11/2011 1.41
3/12/2011 **
3/13/2011 0.02
3/14/2011 0.00
3/15/2011 0.00
3/16/2011 0.53
3/17/2011 0.03
3/18/2011 0.00
3/19/2011 0.00
3/20/2011 0.00
3/21/2011 0.16
3/22/2011 0.23
3/23/2011 0.12
3/24/2011
3/25/2011 0.00
3/26/2011 0.00
3/27/2011 0.00
3/28/2011 0.00
3/29/2011 0.00
3/30/2011 0.00
3/31/2011 0.03
Day of YearDaily PrcpMultiday Prcp
4/1/2011 0.10
4/2/2011 0.15
4/3/2011 0.01
4/4/2011 0.03
4/5/2011 0.07
4/6/2011 **
4/7/2011 0.15
4/8/2011 0.01
4/9/2011 0.56
4/10/2011 0.00
4/11/2011 T
4/12/2011 0.00
4/13/2011 0.97
4/14/2011 0.03
4/15/2011 0.00
4/16/2011 0.00
4/17/2011 2.64
4/18/2011 0.00
4/19/2011 0.00
4/20/2011 0.03
4/21/2011 0.00
4/22/2011 0.00
4/23/2011 0.16
4/24/2011 0.39
4/25/2011 0.58
4/26/2011 0.00
4/27/2011 0.00
4/28/2011 0.17
4/29/2011 0.70
4/30/2011 0.00
5/1/2011 0.00
5/2/2011 0.00
5/3/2011 0.01
5/4/2011 0.04
5/5/2011 0.38
5/6/2011 0.00
5/7/2011 0.00
5/8/2011 0.01
5/9/2011 0.00
5/10/2011 0.00
5/11/2011 0.00
5/12/2011 0.00
5/13/2011 0.00
5/14/2011 0.00
5/15/2011 0.31
5/16/2011 0.44
5/17/2011 0.48
5/18/2011 0.35
5/19/2011 0.67
5/20/2011 0.20
5/21/2011 0.37
5/22/2011 0.04
5/23/2011 0.18
5/24/2011 0.01
5/25/2011 0.00
5/26/2011 0.00
5/27/2011 0.00
5/28/2011 0.00
5/29/2011 0.07
5/30/2011 0.31
5/31/2011 0.00
6/1/2011 0.00
6/2/2011 0.03
6/3/2011 0.00
6/4/2011 0.00
6/5/2011 0.03
6/6/2011 0.00
6/7/2011 0.00
6/8/2011 0.00
6/9/2011 0.00
6/10/2011 0.27
6/11/2011 0.00
6/12/2011 0.25
6/13/2011 0.01
6/14/2011 0.22
6/15/2011 0.80
6/16/2011 0.00
6/17/2011 1.15
6/18/2011 0.03
6/19/2011 0.00
6/20/2011 0.00
6/21/2011 0.00
6/22/2011 0.00
6/23/2011 0.74
6/24/2011 0.06
6/25/2011 0.94
6/26/2011 0.01
6/27/2011 0.00
6/28/2011 0.00
6/29/2011 T
6/30/2011 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2011 0.00
7/2/2011 0.00
7/3/2011 0.47
7/4/2011 0.09
7/5/2011 0.00
7/6/2011 0.00
7/7/2011 0.58
7/8/2011 0.02
7/9/2011 1.03
7/10/2011 0.00
7/11/2011 0.00
7/12/2011 0.00
7/13/2011 0.00
7/14/2011 0.01
7/15/2011 0.00
7/16/2011 0.00
7/17/2011 0.00
7/18/2011 0.00
7/19/2011 0.00
7/20/2011 0.32
7/21/2011 0.00
7/22/2011 0.00
7/23/2011 0.00
7/24/2011 0.00
7/25/2011 T
7/26/2011 0.39
7/27/2011 0.00
7/28/2011 0.00
7/29/2011 0.06
7/30/2011 0.39
7/31/2011 0.00
8/1/2011 0.00
8/2/2011 0.00
8/3/2011 0.00
8/4/2011 0.75
8/5/2011 0.00
8/6/2011 0.00
8/7/2011 0.18
8/8/2011 0.00
8/9/2011 0.00
8/10/2011 1.01
8/11/2011 0.00
8/12/2011 0.00
8/13/2011 0.00
8/14/2011 1.41
8/15/2011 3.53
8/16/2011 0.46
8/17/2011 **
8/18/2011 **
8/19/2011 **
8/20/2011 0.58
8/21/2011 0.04
8/22/2011 1.99
8/23/2011 0.00
8/24/2011 0.00
8/25/2011 0.00
8/26/2011 0.61
8/27/2011 0.01
8/28/2011 5.51
8/29/2011 0.23
8/30/2011 0.00
8/31/2011 0.00
9/1/2011 0.00
9/2/2011 0.00
9/3/2011 0.00
9/4/2011 0.00
9/5/2011 T
9/6/2011 0.35
9/7/2011 2.02
9/8/2011 2.72
9/9/2011 0.27
9/10/2011 0.00
9/11/2011 0.00
9/12/2011 0.02
9/13/2011 0.00
9/14/2011 0.00
9/15/2011 0.00
9/16/2011 0.05
9/17/2011 0.00
9/18/2011 0.00
9/19/2011 0.00
9/20/2011 T
9/21/2011 0.02
9/22/2011 0.13
9/23/2011 0.01
9/24/2011 1.28
9/25/2011 0.02
9/26/2011 T
9/27/2011 0.00
9/28/2011 0.36
9/29/2011 0.05
9/30/2011 0.34



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2010 7:00 AM 2.03 M M M M During the day there was very light rain in the form of a mist or at times a drizzle. By 4:00 pm .03" had fallen. Overnight we had heavy rain. There is light rain continuing this morning.
10/19/2010 9:00 AM 0.44 M M M M The rain started after midnight. It continued into tne morningand stopped by 9:00 am.
10/20/2010 7:45 AM 0.03 M M M M
10/21/2010 8:00 AM 0.00 0.0 M M M
10/22/2010 7:00 AM 0.02 M M M M Rain after midnight that was done by 7:00 am.
10/23/2010 8:00 AM 0.02 M M M M
10/24/2010 7:00 AM 0.00 0.0 M M M
10/25/2010 8:00 AM 0.00 0.0 M M M
10/26/2010 7:15 AM T M M M M
10/27/2010 7:30 AM 0.23 M M M M Light rain over night; Light drizzle this morning
10/28/2010 8:00 AM 0.18 M M M M Intermittent light drizzle until a 15 minute downpour around 4:00 pm.
10/29/2010 8:00 AM 0.00 0.0 M M M
10/30/2010 8:00 AM 0.00 0.0 M M M
11/1/2010 8:00 AM 0.00 0.0 M M M
11/2/2010 8:00 AM 0.00 0.0 M M M
11/3/2010 7:00 AM 0.00 0.0 M M M
11/4/2010 8:00 AM 0.39 M M M M Rain started after midnight and continues this morning.
11/5/2010 8:00 AM 0.69 M M M M Persistent light rain punctuated by occasional downpours of short duration.
11/6/2010 8:00 AM 0.01 M M M M
11/7/2010 6:45 AM 0.00 0.0 M M M
11/8/2010 7:00 AM 0.00 0.0 M M M
11/9/2010 7:00 AM 0.05 M M M M Short periods of anemic rain during a day of blustery winds
11/10/2010 7:00 AM 0.00 0.0 M M M
11/11/2010 7:00 AM 0.00 0.0 M M M
11/12/2010 8:00 AM 0.00 0.0 M M M
11/13/2010 8:00 AM 0.00 0.0 M M M
11/14/2010 8:00 AM 0.00 0.0 M M M
11/15/2010 7:00 AM 0.01 M M M M Heavy fog that descending around midnight and contues this morning.
11/16/2010 7:30 AM 0.09 M M M M Rain occurred after midnight. It is not raining this morning.
11/17/2010 7:00 AM 0.35 M M M M Intermittent light rain and drizzle occurred during the day. After dark there were short periods of heavier rain.
11/18/2010 8:00 AM 0.01 M M M M
11/19/2010 8:00 AM 0.01 M M M M An afternoon and an evening period of such light rain that It did not thoroughly wet the ground.
11/20/2010 8:00 AM 0.00 0.0 M M M
11/21/2010 7:30 AM 0.00 0.0 M M M
11/22/2010 8:00 AM 0.00 0.0 M M M
11/23/2010 6:45 AM 0.00 0.0 M M M
11/24/2010 7:00 AM 0.00 0.0 M M M
11/25/2010 7:00 AM 0.00 0.0 M M M
11/26/2010 8:00 AM 0.25 M M M M Light snow started at 10:45 am. It became heavier snow with large flakes at 11:00 am. By 11:15 am it was sleet. By 11:45am it was light rain. Intermittent light rain and drizzle continues thru to this morning. There was no snow accumulation.
11/27/2010 8:00 AM 0.02 M M M M Morning drizzle the day before. It ended by 11:00 am.
11/28/2010 8:00 AM 0.00 0.0 M M M
11/30/2010 7:30 AM 0.00 0.0 M M M
12/1/2010 8:00 AM 0.29 M M M M Intermittent light rain starting around 11:45 am and continuing thru to this morning. The light rain is now wind driven.
12/2/2010 8:00 AM 0.89 M M M M Intermittent light and haevy wind driven rain from 8:00 am to 2:00 pm
12/3/2010 7:00 AM 0.00 0.0 M M M
12/4/2010 8:00 AM 0.00 0.0 M M M
12/5/2010 7:00 AM 0.00 0.0 M M M
12/6/2010 7:00 AM 0.00 0.0 M M M
12/7/2010 8:00 AM T T M M M Periodic snow flurries all thru the day.
12/8/2010 8:00 AM T T M M M Occasional snow flurries
12/9/2010 8:00 AM T T M M M In Lawrence there were occasional snow flurries, but north of Lawrence, in Princeton, there was a snow shower from 11:05 to 11:14 pm.
12/10/2010 8:00 AM 0.00 0.0 M M M
12/11/2010 8:00 AM 0.00 0.0 M M M
12/12/2010 8:00 AM 0.50 M M M M Rain started at 11;45 pm and continued thru this morning as light rain.
12/13/2010 8:00 AM 0.54 M M M M
12/14/2010 8:00 AM T T 0.00 M M Snow flurries between 3:00 pm & 3:30pm and snow flrries over night.
12/15/2010 7:00 AM T T M M M Snow flurries that sit on porches, cars,& sidewalks. It is not measureable.
12/16/2010 7:00 AM 0.01 0.2 0.01 0.2 0.01 Periodic very lighr snow flurries during the day,but a show shower of light snow occurred between 8:00 am to 9:15 am that accounted for the measureable precipitation.
12/17/2010 7:00 AM 0.00 0.0 M M M
12/18/2010 7:00 AM 0.00 0.0 M M M
12/19/2010 7:00 AM 0.00 0.0 M M M
1/2/2011 8:00 AM 0.05 M M M M Very light rain between 4:00 am and 6:30 am. followed by fog.
1/3/2011 8:00 AM T M M M M Fog generated a very light mist between 3:30 pm thru to after sundown.
1/4/2011 8:00 AM 0.00 0.0 M M M
1/5/2011 8:00 AM 0.00 0.0 M M M
1/6/2011 8:00 AM 0.00 0.0 M M M
1/7/2011 8:00 AM 0.08 1.1 0.08 1.1 0.08 Light snow
1/8/2011 7:30 AM 0.05 0.3 0.05 1.5 M Light snow in the morning ended about noon. Light snow resumes this morning and continues. (13.00" total snow core measurement is incorrect. Have set to NA. Edited 1/8 by MG)
1/9/2011 8:00 AM 0.18 1.8 0.18 3.0 M Light snow continued thru the day until it was down to an occasional flurry at 7:30 pm. (Believe that 2.80" melted total snow core is far too high. Have set to "NA". Edited 1/9 by MG)
1/10/2011 8:00 AM 0.00 0.0 0.00 2.0 0.25 Yesterday's temperature stayed below freezing thou the sun was warm. Wind caused the snow to drift, but no new show fell.
1/11/2011 7:00 AM 0.00 0.0 M M M
1/12/2011 7:00 AM 0.62 6.0 0.62 8.0 0.79 Light snow started by 7:30 pm. At 10:00 pm there was 1" of snow. By 11:00 pm there were 2" of snow. The snow stopped falling before 6:00 am. Edited--melted value was entered in whole numbers (62.00) and not hundredths (0.62) --Lubbert CoCoRaHS admin.
1/13/2011 8:00 AM 0.00 0.0 M M M A lot of drifting, but no new snow
1/14/2011 8:00 AM 0.00 0.0 M M M
1/15/2011 8:00 AM 0.00 0.0 M M M
1/16/2011 8:00 AM 0.00 0.0 0.00 6.5 0.92
1/17/2011 8:00 AM 0.00 0.0 0.00 5.5 0.81
1/18/2011 7:00 AM 0.38 0.8 0.38 M M Snow started between 9:30 & 10:00 pm. .1" of ice covers everything, but it also has infused existing snow. I could not get the plastic rainguage far enough into the pre-existing snow to take a measurement.
1/19/2011 8:00 AM 0.20 M M 4.5 M Light rain with short period of moderate rain ending by 3:00 pm
1/21/2011 7:00 AM 0.32 3.0 0.32 6.0 1.11 The bottom of total snow is about 1" of ice. The snow started after misnight and ended before 6:00am.
1/22/2011 8:00 AM 0.00 0.0 0.00 5.5 M Total snow depth is an aproximation due to the drifting and the fact that about an inch of solid ice lies between the bottom of the snow and the ground.
1/23/2011 8:00 AM 0.00 0.0 0.00 6.0 M
1/24/2011 7:00 AM T T 0.00 6.0 0.75 1) At 4:30 pm there were snow flurries. 2) re: total snow, I was not able to penetrate all the ice at the bottom of the core.
1/25/2011 8:00 AM 0.00 0.0 0.00 6.0 M
1/26/2011 7:00 AM 0.07 0.6 0.07 6.5 1.06 1) Snow started at 5:30 am. At 6:45 am it changed to rain & sleet. 2) The bottom of the total snow measurement is ice.As a result, I am not sure I have scooped up all the ice.
1/27/2011 7:00 AM 1.76 10.5 1.76 17.0 2.81 By noon there waqs 4" of snow. From noon to 7:00 pm there was a light freezing rain with thunder. The precipitation changed over to a windblown fine snow over night.
1/28/2011 7:00 AM T T 0.00 16.5 M Between 9:00 and 10:00 am snow flurries.
1/29/2011 8:00 AM 0.03 0.3 0.04 15.5 M Light snow flurries started about 2:00 pm.
1/30/2011 8:00 AM 0.01 0.1 0.01 15.0 M Snow flurries started falling about 12:30 pm and continued for at least 5 hours.
1/31/2011 8:00 AM 0.00 0.0 0.00 14.0 3.00
2/1/2011 8:00 AM 0.06 0.2 M 14.0 M Overnight freezing precipitation.
2/2/2011 7:30 AM 0.74 M M 14.0 M 1) Freezin rain started over night and contines this morning. 2) Ice is .2" thick 3) Total snow pack measures 14" from a cutaway. It is now solid ice.
2/3/2011 7:30 AM 0.10 M M 13.0 M Light freezing rain until about noon. The light rain stopped freezing and then stopped falling by 1:00 pm. The snow pack is frozen solid and can support my walking on it.
2/4/2011 8:00 AM 0.00 0.0 M 13.0 M
2/5/2011 8:00 AM T M M 13.0 M Light rain passed over about 6:45 am.
2/6/2011 8:00 AM 0.24 0.0 0.00 11.0 M Light rain and heavy mist until 4:00 pm.
2/7/2011 8:00 AM 0.00 0.0 0.00 10.0 2.87
2/8/2011 8:00 AM 0.09 0.0 0.00 9.0 M Rain after dark that had stopped by dawn.
2/9/2011 6:45 AM 0.00 0.0 0.00 8.5 M
2/10/2011 7:00 AM 0.00 0.0 0.00 8.0 M
2/11/2011 8:00 AM 0.00 0.0 0.00 8.0 M
2/12/2011 8:00 AM 0.00 0.0 0.00 8.0 M
2/13/2011 7:00 AM 0.00 0.0 M M M
2/14/2011 6:30 AM 0.00 0.0 0.00 7.0 2.72 I still left a layer of solid ice at the bottom of the core.
2/15/2011 8:00 AM 0.00 0.0 0.00 5.0 M
2/16/2011 8:00 AM 0.00 0.0 0.00 5.0 M
2/17/2011 8:00 AM 0.00 0.0 0.00 4.0 M
2/18/2011 8:00 AM T 0.0 0.00 T M Mist this morning.
2/19/2011 8:00 AM 0.00 0.0 0.00 0.0 M
2/20/2011 8:00 AM 0.00 0.0 0.00 0.0 0.00
2/21/2011 7:20 AM 0.04 0.3 0.04 0.3 0.04 Light snow overnight
2/22/2011 7:00 AM 0.06 0.8 0.06 1.0 0.06 Snow after dark after the previous day's snow had melted.
2/23/2011 8:00 AM 0.00 0.0 0.00 0.5 M
2/24/2011 8:00 AM 0.00 0.0 0.00 T M
2/25/2011 6:30 AM 0.62 0.0 0.00 0.0 M Light rain started after 8:00 pm. Rain has become moderate and heavy at time, and continues this morning.
2/26/2011 6:00 AM 0.48 0.0 0.00 0.0 0.00 Moderate rain in the morning hours. By 10:30 the rain became light. It stopped around noon. Heavy thunder showers north and south of us, but none here.
2/27/2011 8:00 AM 0.00 0.0 0.00 0.0 M
2/28/2011 7:00 AM 0.22 0.0 0.00 0.0 M Rain over night, but not this moning yet.
3/1/2011 8:00 AM 0.06 0.0 0.00 0.0 M Periodic light rain.
3/2/2011 7:00 AM 0.00 0.0 M M M
3/3/2011 8:00 AM 0.00 0.0 0.00 0.0 M
3/4/2011 8:00 AM 0.00 0.0 0.00 0.0 M
3/5/2011 7:20 AM T 0.0 0.00 0.0 M Light rain after midnight and before morning.
3/6/2011 7:00 AM 0.01 0.0 0.00 0.0 M Very light drizzle
3/7/2011 7:00 AM 2.18 M M M M Light rain started at 9:00 am and continued until 10:15am, becoming more moderate before ending. Light rain resumed at 11:05 am and stopped by 1:15 pm. Light rain resumed at 2:15 pm. It became moderate to at times heavy at 2:50 pm. By 3:40 pm the rain guage registered at .5". By 7:40 pm the rain became heavy and continued that way into the night.
3/8/2011 8:00 AM 0.00 0.0 0.00 0.0 M
3/9/2011 7:00 AM 0.00 0.0 M M M
3/10/2011 7:30 AM 0.03 M M M M Rain after midnight.
3/11/2011 8:00 AM 1.41 M M M M At 10:30 am a moderate rain started falling. at 11:35 it changed to a light rian. by 1:00 pm there was .35" of water in the gauge At 2:00 pm the rain becam moderate again, but by 2:15 pm the rain became light, but persistent. It stayed that way overnight.
3/14/2011 8:00 AM 0.00 0.0 0.00 0.0 M
3/15/2011 7:00 AM 0.00 0.0 M M M
3/16/2011 8:00 AM 0.53 0.0 0.00 0.0 M Rain overnight that was alternately light and moderate intil 6:00 am when it bcame just light.
3/17/2011 8:00 AM 0.03 0.0 0.00 0.0 M Morning light rain & mist
3/18/2011 7:00 AM 0.00 0.0 0.00 0.0 M
3/19/2011 8:00 AM 0.00 0.0 M M M
3/20/2011 7:30 AM 0.00 0.0 M M M
3/21/2011 7:00 AM 0.16 T 0.00 0.0 M Light rain & sleet overnight & contuing this morning. There is no accumulation. (Based on above, have set 0.00" new snow to "T". Edited 3/21 by MG)
3/22/2011 6:30 AM 0.23 T 0.00 0.0 M Morning light rain & sleet that ended around noon. (Based on above, have set 0.00" new snow to "T". Edited 3/22 by MG)
3/23/2011 7:30 AM 0.12 T 0.00 0.0 0.00 Rain started at 12:02 am and continues this morning. The light rain and drizzle is mixed with snow flurries.
3/25/2011 8:00 AM 0.00 0.0 0.00 0.0 0.00
3/26/2011 8:00 AM 0.00 0.0 0.00 0.0 M
3/27/2011 7:00 AM 0.00 0.0 0.00 M 0.00
3/28/2011 8:00 AM 0.00 0.0 0.00 0.0 M
3/29/2011 8:00 AM 0.00 0.0 0.00 0.0 M
3/30/2011 8:00 AM 0.00 0.0 0.00 0.0 M
3/31/2011 7:00 AM 0.03 0.0 0.00 0.0 0.00 Light rain starting earlier this morning
4/1/2011 7:40 AM 0.10 0.0 0.00 0.0 0.00 Light mist type drizzle until 4:00 pm when a light rain started and continued thru to this morning.
4/2/2011 8:00 AM 0.15 T 0.00 0.0 0.00 A constatn light rain all day until 4:20 pm when it changed to wet snow. The snow ended by 4:45 pm. The rain started again at 6:25 pm, but ended by 7:30 pm.
4/3/2011 8:00 AM 0.01 0.0 0.00 0.0 0.00 Around 5:00 pm while it was still sunny, a small cloud came over. A light rain started & Lasted 7 minutes.
4/4/2011 8:00 AM 0.03 0.0 0.00 0.0 0.00 Light rain started at 11:30 pm. It has not continued to this morning.
4/5/2011 7:00 AM 0.07 0.0 0.00 0.0 0.00 A period of wind blown rain early this morning.
4/8/2011 8:00 AM 0.01 0.0 0.00 0.0 0.00
4/9/2011 8:00 AM 0.56 0.0 0.00 0.0 0.00 Light and sometimes moderate rain started at 1:30 pm and continued into the night.
4/10/2011 8:00 AM 0.00 0.0 M M M
4/11/2011 8:00 AM T M M M M Overnight fog
4/12/2011 8:00 AM 0.00 0.0 M M M
4/13/2011 8:00 AM 0.97 M M M M Light rain started at 10:45 am.
4/14/2011 5:30 AM 0.03 M M M M
4/15/2011 8:00 AM 0.00 0.0 M M M
4/16/2011 7:00 AM 0.00 0.0 M M M
4/17/2011 8:00 AM 2.64 M M M M Light rain started at 11:35 am. The rain was light and intermittent until after 2:000pm when the rain became persistent and moderate. At 5:30 pm the thunder started and the rain became heavy. The thunder storms persisted until well after midnight.
4/18/2011 7:00 AM 0.00 0.0 M M M
4/19/2011 8:00 AM 0.00 0.0 M M M
4/20/2011 8:00 AM 0.03 M M M M Intermittent light drizzle starting around noon and continuing after dark.
4/21/2011 6:45 AM 0.00 0.0 M M M
4/22/2011 8:00 AM 0.00 0.0 M M M
4/23/2011 6:25 AM 0.16 M M M M Light rain started after dark and before 4:00 am and continues this morning.
4/24/2011 7:00 AM 0.39 M M M M At 9:00 am the light rain increased in volume to moderate and then to heavy. The moderate to heavy rain continued until 10:20 am when it slowed to a mist. by 11:00 am there was .33" in the gauge. The mist continued until 2:12 pm when it stopped.
4/25/2011 7:00 AM 0.58 M M M M 4:30 pm light rain started; 4:38 pm rain became heavy for 10 minutes. The rain became light again until 5:30 pm when it became heavy. The heavy rain lasted for 15 minutes and becam light again. The rain stopped by 6:30 pm. At 8:00 pm the light rain started again. At 8:03 it became a torrent for about 15 minutes. The rain then returned to light rain and stopped after dark.
4/26/2011 7:00 AM 0.00 0.0 M M M
4/27/2011 8:00 AM 0.00 0.0 M M M
4/28/2011 8:00 AM 0.17 M M M M 2:40 pm light rain starts; 2:44 pm rain becomes heavy; 2:50 pm rain becomes light; 2:53 rain stops. Gauge reading is .15". Thereafter there are intermittent periods of light rain lasting 2 to 3 minutes. These intermittent periods of rain is continuing thru to this morning.
4/29/2011 8:00 AM 0.70 M M M M Thunderstorm with heavy rain between 4:30 and 4:45 pm where .66" rain fell. The rain stayed light after 4:45 pm. It stopped after 5:00 pm only to start again for short periods of 2 or 3 minutes until 7:00 pm when the light rain lasted 30 minutes. Then the rain stopped.
4/30/2011 8:00 AM 0.00 0.0 M M M
5/1/2011 8:00 AM 0.00 0.0 M M M
5/2/2011 8:00 AM 0.00 0.0 M M M
5/3/2011 7:00 AM 0.01 M M M M Starting at 9:12 am there were periods of very light drizzle. It was so light that it was not enough to get the street wet. These periods continued until the clouds left after 1:30 pm.
5/4/2011 7:30 AM 0.04 M M M M Light rain this morning
5/5/2011 7:30 AM 0.38 M M M M Persistent light to moderate rain all morning continuing into the early afternoon.
5/6/2011 7:00 AM 0.00 0.0 M M M
5/7/2011 8:00 AM 0.00 0.0 M M M
5/8/2011 8:00 AM 0.01 M M M M Starting at 3:45 pm we had short periods of light rain. Each period lasted anywhere from 30 seconds, for the first one, to almost 3 minutes for the last one that ended at 6:50 pm.
5/9/2011 8:00 AM 0.00 0.0 M M M
5/10/2011 8:00 AM 0.00 0.0 M M M
5/11/2011 7:00 AM 0.00 0.0 M M M
5/12/2011 7:00 AM 0.00 0.0 M M M
5/13/2011 8:00 AM 0.00 0.0 M M M
5/14/2011 7:00 AM 0.00 0.0 M M M
5/15/2011 8:00 AM 0.31 M M M M Rain over night
5/16/2011 6:45 AM 0.44 M M M M After an hour of thunder, we received big drops of rain at 3:45 pm that lasted about 30 seconds. At 6:00 pm we received 2 minutes of light rain, 8 minutes of moderate main, 15 minutes of heavy rain followed by 5 minutes of light rain. At that point there was .16" in the guage. At 11:55 pm the rain started again and stopped sometime over night.
5/17/2011 8:00 AM 0.48 M M M M Intermittent periods of light to moderate rain all day and into the night.
5/18/2011 8:00 AM 0.35 M M M M Light rain and drizzle all morning until 2:00 pm. .07" of rain measured in gauge. No rain again until after dark.
5/19/2011 7:00 AM 0.67 M M M M 11:03am Light rain; 11"08 am moderate rain for about 30 seconds; heavy rain came down until 12:58 pm. 1:38 pm a moderate rain started; at 1:45 pm, it became a heavy rain until 2:10 pm when it returned to a moderate level. At 2:17pm the rain became light and the gauge measured .46" of rain. At 2:30 pm the rain started again at a moderate level for 10 minutes when it became hard. By 3:02 pm the rain returned to being light, and it stopped entirely at 3:40 pm. The gauge had .63" of rain in it.After dar, light rain started falling again.
5/20/2011 8:00 AM 0.20 M M M M No rain thru 4:40 pm. Rain into the night and light rain continues this morning.
5/21/2011 8:00 AM 0.37 M M M M At 10:53 amlight rain started. At 11:10 am it becam moderate. At 11:53 am it became light. At that time there was .53" of rain in the gauge. A very light rain or drizzle continued until 3:00 pm when it stopped.
5/22/2011 8:00 AM 0.04 M M M M Light rain between 4:30 pm and 5:12 pm.
5/23/2011 8:00 AM 0.18 M M M M Rain early thi morning.
5/24/2011 7:00 AM 0.01 M M M M Our measurement came from 10 minutes of light rain that started at 11:51 am. This morning there is heavy fog and condensation, but no precipitation.
5/25/2011 7:00 AM 0.00 0.0 M M M My gauge has not been dry for the past 10 days. Hallelujah!
5/26/2011 8:00 AM 0.00 0.0 M M M
5/27/2011 8:00 AM 0.00 0.0 M M M
5/28/2011 8:00 AM 0.00 0.0 M M M
5/29/2011 8:00 AM 0.07 M M M M Moderate rain started at 5:35 pm.It continued at that pace for 15 minutes and then started slowing down. It became a light rain that ended at 6:12 pm.
5/30/2011 6:45 AM 0.31 M M M M Rain started at 6:18 am It continued very hard for 10 minutes when it becam light rain. It stopped by 6:45 am, but continued to thunder.
5/31/2011 8:00 AM 0.00 0.0 M M M
6/1/2011 8:00 AM 0.00 0.0 M M M
6/2/2011 7:00 AM 0.03 M M M M
6/3/2011 8:00 AM 0.00 0.0 M M M
6/4/2011 8:00 AM 0.00 0.0 M M M
6/5/2011 3:00 AM 0.03 M M M M 3 short periods of light rain: 1) at 1:58 pm that lasted 5 minutes; 2) at 5:12 pm that lasted 10 minutes; and 3) at 5:51 pm that ended by 6:30 pm. The first 2 events didn't get the ground wet, but the third did, but not under the trees.
6/6/2011 8:00 AM 0.00 0.0 M M M
6/7/2011 8:00 AM 0.00 0.0 M M M
6/8/2011 6:50 AM 0.00 0.0 M M M
6/9/2011 8:00 AM 0.00 0.0 M M M
6/10/2011 8:00 AM 0.27 M M M M
6/11/2011 8:00 AM 0.00 0.0 M M M
6/12/2011 8:00 AM 0.25 M M M M
6/13/2011 7:30 AM 0.01 M M M M
6/14/2011 7:30 AM 0.22 M M M M Rain overnight
6/15/2011 8:00 AM 0.80 M M M M At 2:30 pm a light rain started. By 2:36 it became a heavy rain. By 3:10 the rain became light . Rain stopped at 3:24 pm. .31" fell. Heavy rain resumed at 4:06 pm. By 4:11 pm we had thunder. By 4:30 pm the rain became moderate. By 4:45 pm it ended. There was .74" in the gauge. By 5:30 pm light rain started again that devolved into drizzle. Light rain and drizzle became intermittent until it finally ended by 10:30 pm.
6/16/2011 7:00 AM 0.00 0.0 M M M
6/17/2011 8:00 AM 1.15 M M M M Rain in the form of intermittent thunder showers starting about 9:00 pm and continuing thru to 5:00 am
6/18/2011 8:00 AM 0.03 M M M M Between 3:30 and 5:00 pm we had thunder and periods of rain with big pelting drops. Each rain period lasted a minute or less.
6/19/2011 8:00 AM 0.00 0.0 M M M
6/20/2011 6:30 AM 0.00 0.0 M M M
6/21/2011 8:00 AM 0.00 0.0 M M M
6/22/2011 6:00 AM 0.00 0.0 M M M
6/23/2011 8:00 AM 0.74 M M M M At 3:35 pm we started hearing thunder. Light rain started at 3:52 pm. At 4:06 it became heavy and stayrd heavy for the next 14 minutes. At 4:20 pm it became moderate then light then drizzle. It stopped at 4:35 pm with .61" in the gauge. At 5:00 to 5:40 pm we had light rain. At 5:40 pm it became moderate and ended by 6:00 pm. At that point there was .74" in the gauge.
6/24/2011 8:00 AM 0.06 M M M M
6/25/2011 6:00 AM 0.94 M M M M Thunder started at 4;15 pm with drizzle. By 4:35 pm it became heavy rain with 1/2" hail. I left the area during the storm on roads that were entirely covered with water about 3" deep. I don't know when it stopped.
6/26/2011 8:00 AM 0.01 0.0 M M M
6/27/2011 8:00 AM 0.00 0.0 M M M
6/28/2011 7:00 AM 0.00 0.0 M M M
6/29/2011 5:45 AM T M M M M 45 seconds of rain with big drops at 11:20 am
6/30/2011 6:45 AM 0.00 0.0 M M M
7/1/2011 7:30 AM 0.00 0.0 M M M
7/2/2011 7:00 AM 0.00 0.0 M M M
7/3/2011 7:00 AM 0.47 M M M M Thunder continued but if there was more rain after 4:00 am, I don;t know since I went back to sleep.
7/4/2011 8:00 AM 0.09 M M M M Short periods of light to moderate rain.
7/5/2011 7:00 AM 0.00 0.0 M M M
7/6/2011 8:00 AM 0.00 0.0 M M M
7/7/2011 7:00 AM 0.58 M M M M 3 local thunder storms with at first moderate rain followed by heavy rain. The first was at 1:00 pm to 1:30 and dropped .18" of rain. The second was from 4:15 to 5:00 pm dropping .22" of rain The last was from 5:30 pm to 6:00 pm dropping another .18" of rain.
7/8/2011 6:30 AM 0.02 M M M M Between 3:00 pm and 4:35 pm we had lots of thunder and drizzle. There was much heavier rain to the north of us.
7/9/2011 7:00 AM 1.03 M M M M 3:00 pm light rain w/thunder; 3:07 it became heavy rain and continued heavy until 3:15 pm. The rain became light and at times moderate from 3:15 to 9:20 pm. At 3:30 pm there was .34" in the gauge and at 7:30 pm there was .96"
7/10/2011 7:00 AM 0.00 0.0 M M M
7/11/2011 7:00 AM 0.00 0.0 M M M
7/12/2011 8:00 AM 0.00 0.0 M M M
7/13/2011 7:00 AM 0.00 0.0 M M M
7/14/2011 7:30 AM 0.01 M M M M
7/15/2011 7:00 AM 0.00 0.0 M M M
7/16/2011 7:00 AM 0.00 0.0 M M M
7/17/2011 7:00 AM 0.00 0.0 M M M
7/18/2011 8:00 AM 0.00 0.0 M M M
7/19/2011 8:00 AM 0.00 0.0 M M M
7/20/2011 6:00 AM 0.32 M M M M Rain from a thunder storm started between 7:30 to 8:00 pm.
7/21/2011 8:00 AM 0.00 0.0 M M M
7/22/2011 8:00 AM 0.00 0.0 M M M
7/23/2011 8:00 AM 0.00 0.0 M M M
7/24/2011 8:00 AM 0.00 0.0 M M M
7/25/2011 8:00 AM T M M M M A light spray around noon lasting almost 3 minutes
7/26/2011 7:30 AM 0.39 M M M M Between 1:30 pm and 3:00 pm we had rain so light it did not get the street wet. At 3:00 pm a steadier light rain started and continued into the evening.
7/27/2011 6:00 AM 0.00 0.0 M M M
7/28/2011 8:00 AM 0.00 0.0 M M M
7/29/2011 6:45 AM 0.06 M M M M Light rain that started 8:30 pm
7/30/2011 8:00 AM 0.39 M M M M 3 rain events: 4:45-5:15 pm light rain & thunder; 5:15-5:30 pm moderate wind driven rain. 6:55-7:14 pm widblown moderate rain; 7:15-7:30 pm light rain. 8:00-8:15 pm light rain. all were accompanied by copius amounts of thunder and lightening.
7/31/2011 7:00 AM 0.00 0.0 M M M
8/1/2011 8:00 AM 0.00 0.0 M M M
8/2/2011 8:00 AM 0.00 0.0 M M M
8/3/2011 6:30 AM 0.00 0.0 M M M
8/4/2011 8:00 AM 0.75 M M M M Very light dripping started after 2:00 pm. It continued on and off until 6:00 pm when it became a real light rain that actually got the ground wet. The light rain continued until 9:30 pm when the rate of rainfall became moderate. This morning there is still a drizzle.
8/5/2011 6:00 AM 0.00 0.0 M M M
8/6/2011 7:00 AM 0.00 0.0 M M M
8/7/2011 7:30 AM 0.18 M M M M Intermittent light rain in the evening and over night
8/8/2011 6:45 AM 0.00 0.0 M M M
8/9/2011 8:00 AM 0.00 0.0 M M M Despite some lightening in the southern sky around 9:30pm, no rain.
8/10/2011 8:00 AM 1.01 M M M M 12:00-1:00 pm light rain; 1:00 - 2:00 pm moderate soaking rain. At 2:00 pm the gauge measured .81". After 2:00 pm the rain lessened in intensity. It stopped by 2:30 pm and the gauge measured 1".
8/11/2011 7:00 AM 0.00 0.0 M M M
8/12/2011 7:30 AM 0.00 0.0 M M M
8/13/2011 7:00 AM 0.00 0.0 M M M
8/14/2011 7:30 AM 1.41 M M M M A persistent moderate and at times heavy rain which started after midnight which is when I went to sleep. The episodes of heavy rain are accompanied by thunder.
8/15/2011 7:30 AM 3.53 M M M M Continuous moderate to sometimes heavy rain all day. By 6:00 pm the rain slowed to light and then stopped. The rain has resumed this morning, but is light.
8/16/2011 4:45 AM 0.46 M M M M Only one rain event occurred. Light rain started at 2:45 pm. By 2:50 the rain had become moderate to heavy. By 3:10 pm it had become light. It stopped by 3:17 pm.
8/21/2011 8:00 AM 0.04 M M M M A small cell of rain passed thru between 9:00 and 9:30 pm.
8/22/2011 6:30 AM 1.99 M M M M A series of heavy thunderstorms each of short duration in the afternoon & evening.
8/23/2011 7:00 AM 0.00 0.0 M M M
8/24/2011 6:30 AM 0.00 0.0 M M M
8/25/2011 7:00 AM 0.00 0.0 M M M
8/26/2011 8:00 AM 0.61 M M M M 10:45 am a light spray started. 11:00 am heavy rain and thunder. 11:15 am light rain. At 11:25 the gauge read .46". Light rain continued until 3:00 pm when it completely stopped. At 9:00 pm rain started south of Lawrence, but not here.
8/27/2011 6:00 AM 0.01 M M M M Light rain after midnight
8/28/2011 6:00 AM 5.51 M M M M The rain tarted at 2:10 pm. The rain came down initially as light and then alternated between moderate and heavy and back to light . By 7:00 pm an inch of rain had fallen. By 7:45 the rain became heavy and then alternated between moderate and heavy wind driven rain thru to this morning. There are reports of flooding streams north and south of us, but I haven't ventured out of my back yard.
8/29/2011 8:00 AM 0.23 M M M M Moderate and then light spray of rain until 11:30 am.
8/30/2011 6:30 AM 0.00 0.0 M M M
8/31/2011 7:00 AM 0.00 0.0 M M M
9/1/2011 8:00 AM 0.00 0.0 M M M
9/2/2011 7:00 AM 0.00 0.0 M M M
9/3/2011 8:00 AM 0.00 0.0 M M M
9/4/2011 7:30 AM 0.00 0.0 M M M
9/5/2011 7:00 AM T M M M M Some rain over night.
9/6/2011 6:30 AM 0.35 M M M M Overnight rain
9/7/2011 7:30 AM 2.02 M M M M
9/8/2011 7:00 AM 2.72 M M M M 5:00 to 6:30 pm heavy rain. 10:47 to 11:12 pm light rain. 11:47 pm thunder and heavy rain started. A series of thunder storms followed knocking out power. The rain has paused this morning.
9/9/2011 7:00 AM 0.27 0.0 M M M At 9:30 am a light rain started. At 10:55 am it became moderate. The gauge measured .13". By 12:10 pm the rain had stopped. The gauge measured .20". There was no additional rain during the daylight hours though the rivers in the county were overflowing their banks. The remaining rain must have occurred overnight.
9/10/2011 7:30 AM 0.00 0.0 M M M
9/11/2011 8:00 AM 0.00 0.0 M M M Repeated heavy showers in Princeton, but not in Lawrenceville where the gauge is.
9/12/2011 7:30 AM 0.02 M M M M At 11:00 pm there was lightening and thunder and some rain.
9/13/2011 8:00 AM 0.00 0.0 M M M
9/14/2011 8:00 AM 0.00 0.0 M M M
9/15/2011 7:00 AM 0.00 0.0 M M M
9/16/2011 8:00 AM 0.05 M M M M Moderate rain between 12:10 pm and 12:25 pm followed by light rain and drizzle until 12:45 pm. At 3:20 pm we had 3 minutes of moderate rain and at 4:46 pm we had 3 minutes of light rain.
9/17/2011 7:00 AM 0.00 0.0 M M M
9/18/2011 8:00 AM 0.00 0.0 M M M
9/19/2011 7:00 AM 0.00 0.0 M M M
9/20/2011 8:00 AM T M M M M Very light rain just starting.
9/21/2011 7:00 AM 0.02 M M M M am light rain and drizzle.
9/22/2011 6:30 AM 0.13 M M M M Startung at 3:00 pm we have had intermittent periods of light rain that continues thru this morning. The rain is almost a mist, it is so light.
9/23/2011 8:00 AM 0.01 M M M M Overnight fog & mist
9/24/2011 7:00 AM 1.28 M M M M 8:21 am to 9:08 am .36" of rain fell. 9:25 am a light rain started and persisted with short periods of moderate rain every once in a while. At noon .79" of rain had fallen and at 1:30 pm .97" of rain had fallen. The mostly light rain continued until 8:30 pm when it stopped.
9/25/2011 7:00 AM 0.02 M M M M
9/26/2011 7:00 AM T M M M M Moisture is probably from fog.
9/27/2011 8:00 AM 0.00 0.0 M M M
9/28/2011 6:40 AM 0.36 M M M M Rain overnight and very light rain continuing this morning.
9/29/2011 7:00 AM 0.05 M M M M Periods of light rain. Occasionally like at 1:00 pm a more moderate rain would start only to last about 30 seconds. Mostly it was intermittent light rain, mist, and drizzle.
9/30/2011 7:00 AM 0.34 M M M M Rain from 10:53 to 11:00 am and resulted in .22" in the gauge. Another cell came by from 2:54- 3:10 pm resulting in the .34" reading.



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
10/2/2010 10/18/2010 9:00 AM 17 1.64 M M (MG note: Moved start date forward 1 day to 10/2 to remove conflict with single day report on 10/1).
12/20/2010 1/01/2011 2:00 PM 13 0.69 5.0 0.69
3/12/2011 3/13/2011 7:30 AM 2 0.02 0.0 0.00
4/6/2011 4/07/2011 8:15 AM 2 0.15 0.0 0.00
8/17/2011 8/20/2011 5:30 AM 4 0.58 M M



Observation Date Observation Time Notes Largest Stone Size Average Stone Size Smallest Stone Size Stone Consistency Duration Minutes Durration Accuracy Damage Timing More Rain than Hail Hail Started Largest Hail Started Angle of Impact Number of Stones on Pad Distance Between Stones on Pad Depth of Stones on Ground