Station Overview Station Location
Station Number NJ-MC-16 Latitude 40.2104
Station Name Robbinsville Twp 1.7 WSW Longitude -74.6204
County Mercer Elevation (ft) 127



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 09 3.71 4.81 30 4.81 30 0.00 0 0 15 3 0.0 0 0
Nov 09 3.53 2.35 30 2.24 23 0.11 7 2 9 3 0.0 0 0
Dec 09 3.88 6.99 29 6.99 29 0.00 0 0 10 2 14.5 4 8
Jan 10 3.42 1.91 31 1.91 31 0.00 0 0 6 5 1.5 3 4
Feb 10 2.67 5.18 28 5.18 28 0.00 0 0 13 1 36.7 11 24
March 10 4.18 8.84 31 7.64 26 1.20 5 1 12 2 0.0 0 2
April 10 3.99 2.66 30 2.66 30 0.00 0 0 10 6 0.0 0 0
May 10 4.07 2.84 29 2.84 29 0.00 0 0 10 2 0.0 0 0
June 10 4.29 2.81 29 2.81 29 0.00 0 0 8 4 0.0 0 0
July 10 5.05 4.18 31 4.18 31 0.00 0 0 10 2 0.0 0 0
Aug 10 4.18 0.94 31 0.94 29 0.00 2 1 7 6 0.0 0 0
Sept 10 4.17 2.77 30 2.77 30 0.00 0 0 9 1 0.0 0 0
Water Year Totals: 47.14" 46.28" 359 days 44.97" 345 1.31" 14 days 4 119 days 37 days 52.7" 18 days 38 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
10/1/2009 0.00
10/2/2009 0.00
10/3/2009 0.02
10/4/2009 0.38
10/5/2009 0.00
10/6/2009 0.00
10/7/2009 0.07
10/8/2009 0.01
10/9/2009 T
10/10/2009 T
10/11/2009 0.03
10/12/2009
10/13/2009 0.00
10/14/2009 0.00
10/15/2009 T
10/16/2009 0.71
10/17/2009 0.02
10/18/2009 0.43
10/19/2009 0.10
10/20/2009 0.00
10/21/2009 0.00
10/22/2009 0.00
10/23/2009 0.00
10/24/2009 0.20
10/25/2009 1.03
10/26/2009 0.00
10/27/2009 0.23
10/28/2009 1.30
10/29/2009 0.25
10/30/2009 0.00
10/31/2009 0.03
11/1/2009 0.35
11/2/2009 0.01
11/3/2009 T
11/4/2009 0.00
11/5/2009 T
11/6/2009 **
11/7/2009 **
11/8/2009 0.00
11/9/2009 0.00
11/10/2009 0.00
11/11/2009 0.01
11/12/2009 0.07
11/13/2009 0.21
11/14/2009 0.19
11/15/2009 0.04
11/16/2009 0.00
11/17/2009 0.00
11/18/2009 0.00
11/19/2009 T
11/20/2009 1.31
11/21/2009 0.00
11/22/2009 0.00
11/23/2009 0.00
11/24/2009 0.05
11/25/2009 **
11/26/2009 **
11/27/2009 **
11/28/2009 0.11
11/29/2009 0.00
11/30/2009 0.00
12/1/2009 0.25
12/2/2009 0.00
12/3/2009 0.92
12/4/2009 0.00
12/5/2009 T
12/6/2009 0.66
12/7/2009 0.00
12/8/2009 0.00
12/9/2009 1.10
12/10/2009 0.64
12/11/2009 0.00
12/12/2009 0.00
12/13/2009 0.00
12/14/2009 0.92
12/15/2009 0.00
12/16/2009 0.00
12/17/2009 0.00
12/18/2009 0.00
12/19/2009 0.03
12/20/2009 1.32
12/21/2009 0.00
12/22/2009 0.00
12/23/2009 0.00
12/24/2009
12/25/2009 0.00
12/26/2009
12/27/2009 1.12
12/28/2009 T
12/29/2009 0.00
12/30/2009 0.00
12/31/2009 0.03
Day of YearDaily PrcpMultiday Prcp
1/1/2010 0.21
1/2/2010 0.00
1/3/2010 0.00
1/4/2010 T
1/5/2010 0.00
1/6/2010 T
1/7/2010 0.00
1/8/2010 0.04
1/9/2010 T
1/10/2010 0.00
1/11/2010 0.00
1/12/2010 0.00
1/13/2010 0.00
1/14/2010 0.00
1/15/2010 0.00
1/16/2010 0.00
1/17/2010 0.00
1/18/2010 0.63
1/19/2010 0.00
1/20/2010 0.00
1/21/2010 0.00
1/22/2010 0.00
1/23/2010 0.00
1/24/2010 0.00
1/25/2010 0.11
1/26/2010 0.91
1/27/2010 0.00
1/28/2010 T
1/29/2010 T
1/30/2010 0.00
1/31/2010 0.01
2/1/2010 0.00
2/2/2010 0.00
2/3/2010 0.06
2/4/2010 T
2/5/2010 0.00
2/6/2010 0.64
2/7/2010 0.18
2/8/2010 0.00
2/9/2010 0.00
2/10/2010 0.78
2/11/2010 0.95
2/12/2010 0.00
2/13/2010 0.00
2/14/2010 0.00
2/15/2010 0.00
2/16/2010 0.10
2/17/2010 0.05
2/18/2010 0.00
2/19/2010 0.00
2/20/2010 0.00
2/21/2010 0.00
2/22/2010 0.00
2/23/2010 0.26
2/24/2010 1.00
2/25/2010 0.25
2/26/2010 0.83
2/27/2010 0.07
2/28/2010 0.01
3/1/2010 0.02
3/2/2010 0.00
3/3/2010 0.04
3/4/2010 0.02
3/5/2010 0.00
3/6/2010 0.00
3/7/2010 0.00
3/8/2010 0.00
3/9/2010 0.00
3/10/2010 0.00
3/11/2010 0.00
3/12/2010 T
3/13/2010 0.95
3/14/2010 1.75
3/15/2010 1.18
3/16/2010 0.09
3/17/2010 0.00
3/18/2010 0.00
3/19/2010 **
3/20/2010 **
3/21/2010 **
3/22/2010 **
3/23/2010 1.20
3/24/2010 0.12
3/25/2010 0.00
3/26/2010 0.11
3/27/2010 T
3/28/2010 0.00
3/29/2010 1.27
3/30/2010 0.45
3/31/2010 1.64
Day of YearDaily PrcpMultiday Prcp
4/1/2010 0.00
4/2/2010 0.00
4/3/2010 0.00
4/4/2010 0.00
4/5/2010 0.00
4/6/2010 T
4/7/2010 T
4/8/2010 0.00
4/9/2010 0.39
4/10/2010 T
4/11/2010 0.00
4/12/2010 T
4/13/2010 0.00
4/14/2010 0.09
4/15/2010 0.00
4/16/2010 0.01
4/17/2010 0.13
4/18/2010 T
4/19/2010 0.00
4/20/2010 0.00
4/21/2010 0.00
4/22/2010 0.25
4/23/2010 0.07
4/24/2010 0.00
4/25/2010 0.56
4/26/2010 0.37
4/27/2010 0.78
4/28/2010 0.01
4/29/2010 T
4/30/2010 0.00
5/1/2010 0.00
5/2/2010 T
5/3/2010 0.15
5/4/2010 0.26
5/5/2010 0.00
5/6/2010 0.00
5/7/2010 0.00
5/8/2010
5/9/2010 0.00
5/10/2010 0.00
5/11/2010 0.00
5/12/2010 0.55
5/13/2010 0.01
5/14/2010 0.00
5/15/2010 M
5/16/2010 0.00
5/17/2010 0.00
5/18/2010 0.43
5/19/2010 0.58
5/20/2010 0.00
5/21/2010 0.00
5/22/2010 0.00
5/23/2010 0.00
5/24/2010 0.14
5/25/2010 T
5/26/2010 0.00
5/27/2010 0.00
5/28/2010 0.62
5/29/2010 0.08
5/30/2010 0.02
5/31/2010 0.00
6/1/2010 1.03
6/2/2010 T
6/3/2010 0.00
6/4/2010 0.01
6/5/2010 0.00
6/6/2010 0.00
6/7/2010 T
6/8/2010 0.00
6/9/2010 0.00
6/10/2010 0.52
6/11/2010 0.01
6/12/2010 0.00
6/13/2010 0.00
6/14/2010 0.38
6/15/2010 0.00
6/16/2010 T
6/17/2010 0.01
6/18/2010 0.00
6/19/2010 0.00
6/20/2010 0.00
6/21/2010 0.00
6/22/2010 0.00
6/23/2010 0.69
6/24/2010 T
6/25/2010
6/26/2010 0.00
6/27/2010 0.00
6/28/2010 0.00
6/29/2010 0.16
6/30/2010 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2010 0.00
7/2/2010 0.00
7/3/2010 0.00
7/4/2010 0.00
7/5/2010 0.00
7/6/2010 0.00
7/7/2010 T
7/8/2010 0.00
7/9/2010 0.00
7/10/2010 1.02
7/11/2010 0.09
7/12/2010 0.00
7/13/2010 0.01
7/14/2010 1.81
7/15/2010 0.54
7/16/2010 0.00
7/17/2010 0.09
7/18/2010 0.00
7/19/2010 0.00
7/20/2010 0.24
7/21/2010 0.00
7/22/2010 0.08
7/23/2010 0.00
7/24/2010 0.00
7/25/2010 0.00
7/26/2010 0.29
7/27/2010 0.00
7/28/2010 0.00
7/29/2010 T
7/30/2010 0.01
7/31/2010 0.00
8/1/2010 T
8/2/2010 T
8/3/2010 0.00
8/4/2010 0.00
8/5/2010 0.00
8/6/2010 0.00
8/7/2010 0.00
8/8/2010 0.00
8/9/2010 0.00
8/10/2010 0.00
8/11/2010 0.00
8/12/2010 T
8/13/2010 0.08
8/14/2010 0.00
8/15/2010 0.00
8/16/2010 0.02
8/17/2010 T
8/18/2010 T
8/19/2010 0.02
8/20/2010 0.00
8/21/2010 0.00
8/22/2010 0.02
8/23/2010 0.19
8/24/2010 0.31
8/25/2010 0.30
8/26/2010 T
8/27/2010 0.00
8/28/2010 **
8/29/2010 0.00
8/30/2010 0.00
8/31/2010 0.00
9/1/2010 0.00
9/2/2010 0.00
9/3/2010 0.00
9/4/2010 T
9/5/2010 0.00
9/6/2010 0.00
9/7/2010 0.00
9/8/2010 0.00
9/9/2010 0.00
9/10/2010 0.00
9/11/2010 0.00
9/12/2010 0.01
9/13/2010 0.17
9/14/2010 0.18
9/15/2010 0.00
9/16/2010 0.00
9/17/2010 0.79
9/18/2010 0.00
9/19/2010 0.00
9/20/2010 0.00
9/21/2010 0.00
9/22/2010 0.00
9/23/2010 0.34
9/24/2010 0.00
9/25/2010 0.00
9/26/2010 0.00
9/27/2010 0.03
9/28/2010 0.60
9/29/2010 0.04
9/30/2010 0.61



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2009 7:00 AM 0.00 0.0 M M M
10/2/2009 7:30 AM 0.00 0.0 M M M
10/3/2009 7:30 AM 0.02 M M M M TB: 0.01"
10/4/2009 7:00 AM 0.38 M M M M TB: 0.37"
10/5/2009 7:00 AM 0.00 0.0 M M M
10/6/2009 7:00 AM 0.00 0.0 M M M
10/7/2009 7:15 AM 0.07 M M M M TB: 0.08" light rain falling at time of observation
10/8/2009 7:00 AM 0.01 M M M M TB 0.02"
10/9/2009 7:30 AM T M M M M intermittent light rain at time of observation; TB: 0.00"
10/10/2009 8:00 AM T M M M M TB: 0.00"
10/11/2009 7:30 AM 0.03 M M M M TP: 0.03"
10/13/2009 7:00 AM 0.00 0.0 M M M
10/14/2009 7:15 AM 0.00 0.0 M M M
10/15/2009 7:30 AM T M M M M very light rain falling at time of observation
10/16/2009 7:45 AM 0.71 M M M M TB: 0.78" very light rain falling at time of observation
10/17/2009 8:00 AM 0.02 M M M M TB: .02
10/18/2009 8:00 AM 0.43 M M M M TB: 0.43" ; light rain falling at time of observation
10/19/2009 7:30 AM 0.10 M M M M Tipping Bucket: 0.13"
10/20/2009 7:00 AM 0.00 0.0 M M M
10/21/2009 7:00 AM 0.00 0.0 M M M
10/22/2009 7:00 AM 0.00 0.0 M M M
10/23/2009 7:00 AM 0.00 0.0 M M M
10/24/2009 8:00 AM 0.20 M M M M TB: 0.20"
10/25/2009 7:00 AM 1.03 M M M M TB: 1.03"
10/26/2009 7:00 AM 0.00 0.0 M M M
10/27/2009 7:00 AM 0.23 M M M M Tipping Bucket: 0.22" Light rain falling at time of observation
10/28/2009 7:15 AM 1.30 M M M M TB: 1.28" ; Continuous moderate rain falling at time of observation
10/29/2009 7:15 AM 0.25 M M M M TB: 0.23"
10/30/2009 7:15 AM 0.00 0.0 M M M
10/31/2009 8:00 AM 0.03 M M M M TB: 0.03"
11/1/2009 7:00 AM 0.35 M M M M TB: 0.35" ; light rain falling at time of observation
11/2/2009 7:30 AM 0.01 M M M M TB: 0.01" intermittent light rain falling at time of observation
11/3/2009 7:30 AM T M M M M TB: 0.00"
11/4/2009 7:30 AM 0.00 0.0 M M M
11/5/2009 7:00 AM T M M M M
11/9/2009 7:30 AM 0.00 0.0 M M M
11/10/2009 7:00 AM 0.00 0.0 M M M
11/11/2009 7:30 AM 0.01 M M M M TB: 0.01" continuous light rain falling at time of observation
11/12/2009 7:30 AM 0.07 M M M M TB: 0.12" continuous light rain falling at time of observation
11/13/2009 7:30 AM 0.21 M M M M intermittent light rain falling at time of observation
11/14/2009 7:30 AM 0.19 M M M M light rain falling at time of observation
11/15/2009 7:30 AM 0.04 M M M M
11/16/2009 7:00 AM 0.00 0.0 M M M
11/17/2009 7:00 AM 0.00 0.0 M M M
11/18/2009 7:00 AM 0.00 0.0 M M M
11/19/2009 7:30 AM T M M M M light drizzle falling at time of observation; drizzle began about 7:20AM EST; precipitation very light
11/20/2009 7:15 AM 1.31 M M M M heavy thundershower between 0230 EST and 0330 EST (times approximate, based on thunder heard)
11/21/2009 8:00 AM 0.00 0.0 M M M
11/22/2009 7:00 AM 0.00 0.0 M M M
11/23/2009 7:00 AM 0.00 0.0 M M M
11/24/2009 7:15 AM 0.05 M M M M tipping bucket: 0.05"
11/29/2009 7:30 AM 0.00 0.0 M M M
11/30/2009 7:00 AM 0.00 0.0 M M M
12/1/2009 7:00 AM 0.25 M M M M Tipping bucket: 0.24"
12/2/2009 7:30 AM 0.00 0.0 M M M
12/3/2009 7:30 AM 0.92 M M M M tipping bucket 1.04"
12/4/2009 7:15 AM 0.00 0.0 M M M
12/5/2009 8:00 AM T M M M M light rain falling at time of observation; precipitation very light
12/6/2009 7:30 AM 0.66 1.0 M 1.0 M 12/5: Rain began 0745 LST; Snow began 1500 LST; Rain ended 1600 LST; snow ended 2230 LST. Tipping bucket: 0.66"; approx. 0.55" rain/snow in gauge with additional 0.11" (liquid water eq.) accumulated snow in funnel; snow cover estimated 90% on non-paved surfaces
12/7/2009 7:00 AM 0.00 0.0 M T M
12/8/2009 7:30 AM 0.00 0.0 M 0.0 M
12/9/2009 7:15 AM 1.10 0.0 M 0.0 M continuous heavy rain falling at time of observation; tipping bucket reading: 1.25"; est. rate 0.60"/hr based on tipping bucket
12/10/2009 7:30 AM 0.64 0.0 M 0.0 M tipping bucket: 0.71"
12/11/2009 7:30 AM 0.00 0.0 M 0.0 M
12/12/2009 7:30 AM 0.00 0.0 M 0.0 M
12/13/2009 7:30 AM 0.00 0.0 M 0.0 M
12/14/2009 7:30 AM 0.92 0.0 M 0.0 M tipping bucket: 0.93"
12/15/2009 7:30 AM 0.00 0.0 M 0.0 M
12/16/2009 7:30 AM 0.00 0.0 M 0.0 M
12/17/2009 7:15 AM 0.00 0.0 M 0.0 M
12/18/2009 7:00 AM 0.00 0.0 M 0.0 M
12/19/2009 8:30 AM 0.03 0.5 0.09 0.5 0.09 snow began at ~0600 EST; angle of fall 30-45 degrees from horizontal; continuous light snow falling at time of obsrvation
12/20/2009 8:30 AM 1.32 12.6 1.32 13.5 1.41 snow blowing nearly horizontal during storm resulted in gauge catch of 0.33"; as recommended in the on-line CoCoRaHS presentation--used melted core value as a more accurate measurement of precipitation. Total snow accumulation is average of 7 readings taken between areas sheltered from wind (max 16") and areas exposed to wind (min 11") excluding drifts; 2 total snow cores taken in regions where depth was 13-14" and averaged
12/21/2009 8:30 AM 0.00 0.0 0.00 10.5 1.14 Total Snow Depth is an average of 5 readings taken between areas relatively sheltered from storm winds (12") and areas exposed to storm winds (8.5"); melted core value is average of 4 readings taken near depth measurements {1.16" max to 1.09" min}
12/22/2009 7:00 AM 0.00 0.0 0.00 8.0 1.01 snow depth more uniform today--ranging from 8" to 9"; Total Snow Melted Core Value is average of 4 readings ranging from .93" to 1.09"
12/23/2009 7:00 AM 0.00 0.0 0.00 6.0 0.88 snow depths ranging from 5.5" to 7.0" with an average of 6.0"; Total Melted Core is more variable than measured snow depth with average of 4 readings yielding 0.88" and a range of .70" to 1.02"
12/25/2009 8:30 AM 0.00 0.0 0.00 5.0 0.87 Total Melted Snow Core value is average of 4 samples in the range 0.78" to 0.93"
12/27/2009 8:00 AM 1.12 0.0 0.00 0.0 0.00
12/28/2009 8:30 AM T 0.0 0.00 0.0 0.00
12/29/2009 8:00 AM 0.00 0.0 0.00 0.0 0.00
12/30/2009 7:30 AM 0.00 0.0 0.00 0.0 0.00
12/31/2009 8:00 AM 0.03 0.4 0.04 0.5 M light continuous snow falling at time of observation (Set 0.50" melted total snow core to "NA", as is erroneous. Edited 1/3 by MG)
1/1/2010 8:30 AM 0.21 0.1 M T M
1/2/2010 8:00 AM 0.00 0.0 M M M
1/3/2010 7:30 AM 0.00 0.0 0.00 0.0 0.00
1/4/2010 7:30 AM T T M T M light snow showers between 1200EST and 1600EST with negligible accumulation on 1/3/2010
1/5/2010 7:30 AM 0.00 0.0 M 0.0 M
1/6/2010 7:30 AM T T M T M light snow showers during night: minimal accumulation noted at 0200 LST on 1/6/2010
1/7/2010 7:00 AM 0.00 0.0 M 0.0 M
1/8/2010 7:30 AM 0.04 1.0 0.08 1.0 0.08 intermittent light snow falling at time of observation; Note: snow ended 0755 EST
1/9/2010 8:00 AM T T T 0.5 0.03 light snow showers throughout day yielding no measurable accumulation
1/10/2010 8:00 AM 0.00 0.0 0.00 0.5 0.05
1/11/2010 7:00 AM 0.00 0.0 0.00 T M Trace (less than 50% coverage) of total snow cover on ground is observed. For the white flat surface used to report snow accumulation, 0.5" snow persists with 0.04" melted core value.
1/12/2010 7:00 AM 0.00 0.0 0.00 T T
1/13/2010 7:30 AM 0.00 0.0 0.00 T T
1/14/2010 7:00 AM 0.00 0.0 0.00 T T
1/15/2010 7:30 AM 0.00 0.0 0.00 T T
1/16/2010 8:00 AM 0.00 0.0 0.00 0.0 0.00
1/17/2010 7:30 AM 0.00 0.0 0.00 0.0 0.00
1/18/2010 8:00 AM 0.63 0.0 0.00 0.0 0.00 Tipping Bucket: 0.80"
1/19/2010 8:00 AM 0.00 0.0 0.00 0.0 0.00
1/20/2010 8:00 AM 0.00 0.0 0.00 0.0 0.00
1/21/2010 8:00 AM 0.00 0.0 0.00 0.0 0.00
1/22/2010 8:00 AM 0.00 0.0 0.00 0.0 0.00
1/23/2010 8:00 AM 0.00 0.0 0.00 0.0 0.00
1/24/2010 8:00 AM 0.00 0.0 0.00 0.0 0.00
1/25/2010 7:00 AM 0.11 0.0 0.00 0.0 0.00 squalls accompanied by light continuous rain at time of observation; Tipping Bucket: 0.27; precipitation intensity increased to moderate by 0730 EST.
1/26/2010 7:00 AM 0.91 0.0 0.00 0.0 0.00 TB: 1.32"
1/27/2010 7:15 AM 0.00 0.0 0.00 0.0 0.00
1/28/2010 7:30 AM T T T T T light snow falling at time of observation; snow began 0720 EST
1/29/2010 7:00 AM T T T 0.0 0.00 light snow began prior to 1/28/2010 report and persisted into reporting period for 1/29/2010; gauge has trace of melted snowfall but no evidence of snow on ground
1/30/2010 8:00 AM 0.00 0.0 0.00 0.0 0.00
1/31/2010 8:00 AM 0.01 0.4 0.02 0.5 0.02 all precipitation fell as snow
2/1/2010 7:30 AM 0.00 0.0 0.00 T T
2/2/2010 7:15 AM 0.00 0.0 0.00 0.0 0.00
2/3/2010 7:15 AM 0.06 1.0 0.07 1.0 0.07 intermittent light snow at time of observation
2/4/2010 7:15 AM T T T 0.0 0.00 light snow ended approx 0800 EST on 2/2/2010
2/5/2010 7:15 AM 0.00 0.0 0.00 0.0 0.00
2/6/2010 7:15 AM 0.64 7.1 0.64 7.0 0.64 new snow melted core value used in place of gauge catch of 0.22"--gusty wind conditions affected gauge catch; continuous moderate snow falling at time of observation
2/7/2010 6:00 AM 0.18 3.2 0.18 11.5 0.81 using new snow melted core value in place of gauge catch of 0.01"; strong winds affected both gauge catch and new snow total
2/8/2010 7:15 AM 0.00 0.0 0.00 8.0 0.83
2/9/2010 7:00 AM 0.00 0.0 0.00 6.0 M
2/10/2010 7:30 AM 0.78 5.3 0.74 9.5 1.53 light drizzle falling at time of measurement
2/11/2010 7:00 AM 0.95 10.5 0.95 16.5 3.04 melted new snow core value used in place of gauge catch of 0.62"--the gauge was covered by a plug of snow and not all new snow was captured. Drizzle, freezing drizzle, sleet and snow alternated until about 1330 EST when moderate to heavy snow continued until after 2300 EST.
2/12/2010 7:30 AM 0.00 0.0 0.00 14.0 2.99
2/13/2010 7:15 AM 0.00 0.0 0.00 13.0 2.84
2/14/2010 7:15 AM 0.00 0.0 0.00 12.5 2.77
2/15/2010 8:00 AM 0.00 0.0 0.00 11.0 2.54
2/16/2010 7:15 AM 0.10 1.0 0.09 10.5 2.99 intermittent light drizzle with fog at time of measurement;
2/17/2010 7:15 AM 0.05 M M 12.0 2.75 light snow observed during day (visually estimated to be ~1"), but new snow on board melted by afternoon and before measurements could be made. (Based on above, have set "new snow depth" and core to "NA". Edited 2/18 by MG)
2/18/2010 7:15 AM 0.00 0.0 0.00 10.5 3.21 Day-to-day fluctuations in melted core values for Total Snow on Ground difficult to explain. Snow surface appears uniform and depth measurements vary from 10" to 11", but density is quite variable
2/19/2010 7:15 AM 0.00 0.0 0.00 9.0 2.71
2/20/2010 7:30 AM 0.00 0.0 0.00 8.5 2.19
2/21/2010 7:00 AM 0.00 0.0 0.00 7.0 2.12
2/22/2010 7:15 AM 0.00 0.0 0.00 7.0 2.06
2/23/2010 7:15 AM 0.26 0.4 0.13 6.0 2.32 light rain falling at time of measurement--new snow had melted; snow+sleet began 1845 EST 2/22/2010--precipitation very light; sleet ended 2030 EST; snow ended 2300; new snowfall data recorded 2330 EST. Snow ending time has +/-15 minute uncertainty
2/24/2010 7:15 AM 1.00 0.0 0.00 5.0 1.73 drizzle falling at time of measurement
2/25/2010 7:00 AM 0.25 0.8 0.13 4.5 1.19 light snow falling at time of measurement; gauge reading includes 0.09" of liquid water + 0.16" (melted) accumulated snow in funnel
2/26/2010 7:30 AM 0.83 6.0 0.83 10.0 2.79 new snow melted core value used in place of gauge catch (0.35") due to blowing snow. Light-moderate snow fell most of 2/25 with little accumulation until temperatures dropped below freezing after sunset
2/27/2010 7:30 AM 0.07 1.3 0.07 8.5 1.96 light snow falling at time of measurement; melted snow core value of 0.07" used in place of gauge reading (0.05")
2/28/2010 8:00 AM 0.01 0.1 0.01 7.0 1.76 light snow falling at time of measurement; melted snow core value of 0.01" used in place of gauge reading (T)
3/1/2010 7:15 AM 0.02 T T 6.0 1.67 intermittent snow showers during day with no accumulation;snow mixed with rain began 2000 EST ended 2100 EST (times approximate to w/in 15 minutes)
3/2/2010 7:15 AM 0.00 0.0 0.00 5.0 1.78
3/3/2010 7:15 AM 0.04 0.0 0.00 T T
3/4/2010 7:00 AM 0.02 0.0 0.00 T T
3/5/2010 10:00 PM 0.00 0.0 0.00 T T
3/6/2010 6:30 AM 0.00 0.0 0.00 T T
3/7/2010 6:30 AM 0.00 0.0 0.00 T T
3/8/2010 7:15 AM 0.00 0.0 0.00 T T
3/9/2010 7:15 AM 0.00 0.0 0.00 T T
3/10/2010 7:15 AM 0.00 0.0 0.00 T T
3/11/2010 7:15 AM 0.00 0.0 0.00 T T light rain showers in vicinity but no precipitation observed at registered location
3/12/2010 7:15 AM T 0.0 0.00 0.0 0.00 drzzle observed during past hour but not at time of measurement
3/13/2010 7:30 AM 0.95 0.0 0.00 0.0 0.00 moderate-to-heavy rain squalls at time of measurement
3/14/2010 7:30 AM 1.75 0.0 0.00 0.0 0.00 thunder heard to south during measurement
3/15/2010 7:30 AM 1.18 0.0 0.00 0.0 0.00 light rain falling at time of measurement
3/16/2010 7:30 AM 0.09 0.0 0.00 0.0 0.00 Storm total (unofficial, tipping bucket rain gauge) was 6.02"
3/17/2010 7:30 AM 0.00 0.0 0.00 0.0 0.00
3/18/2010 7:30 AM 0.00 0.0 0.00 0.0 0.00
3/24/2010 7:45 AM 0.12 0.0 0.00 0.0 0.00 tipping bucket (TB): 0.13"
3/25/2010 7:30 AM 0.00 0.0 0.00 0.0 0.00
3/26/2010 7:45 AM 0.11 0.0 0.00 0.0 0.00 light rain falling at time of measurement; TB: 0.13"
3/27/2010 8:00 AM T 0.0 0.00 0.0 0.00
3/28/2010 8:30 AM 0.00 0.0 0.00 0.0 0.00
3/29/2010 7:30 AM 1.27 0.0 0.00 0.0 0.00 light rain falling at time of measurement; tipping bucket (TB): 1.48"
3/30/2010 7:30 AM 0.45 0.0 0.00 0.0 0.00 moderate rain falling at time of measurement; occasional squalls; Tipping Bucket: 0.58"
3/31/2010 7:15 AM 1.64 0.0 0.00 0.0 0.00 Tipping bucket: 2.16"
4/1/2010 7:30 AM 0.00 0.0 0.00 0.0 0.00
4/2/2010 7:30 AM 0.00 0.0 0.00 0.0 0.00
4/3/2010 8:00 AM 0.00 0.0 0.00 0.0 0.00
4/4/2010 8:00 AM 0.00 0.0 0.00 0.0 0.00
4/5/2010 7:30 AM 0.00 0.0 M M M
4/6/2010 7:30 AM T 0.0 0.00 0.0 0.00 light rain falling at time of measurement; rain began 0725 EDT
4/7/2010 7:30 AM T 0.0 0.00 0.0 0.00 intermittent light rain ended morning of 4/7/2010
4/8/2010 7:30 AM 0.00 0.0 0.00 0.0 0.00
4/9/2010 7:30 AM 0.39 M M M M light rain falling at time of measurement; tipping bucket: 0.42"
4/10/2010 7:30 AM T M M M M
4/11/2010 8:00 AM 0.00 0.0 M M M
4/12/2010 7:30 AM T M M M M light rain between 2000 EDT and 2300 EDTl--time approximate--accumulation < .01"
4/13/2010 7:00 AM 0.00 0.0 M M M
4/14/2010 7:15 AM 0.09 M M M M Tipping bucket: 0.08"
4/15/2010 7:00 AM 0.00 0.0 M M M
4/16/2010 7:30 AM 0.01 M M M M tipping bucket 0.01"
4/17/2010 8:00 AM 0.13 M M M M tipping bucket: 0.12"
4/18/2010 7:30 AM T M M M M Tipping bucket: .01"
4/19/2010 7:30 AM 0.00 0.0 M M M
4/20/2010 7:15 AM 0.00 0.0 M M M
4/21/2010 7:00 AM 0.00 0.0 M M M
4/22/2010 7:45 AM 0.25 M M M M TB: 0.25"
4/23/2010 7:15 AM 0.07 M M M M Tipping Bucket: 0.09" in brief thundershowers Thursday afternoon (4/22/2010)
4/24/2010 8:00 AM 0.00 0.0 M M M
4/25/2010 7:30 AM 0.56 M M M M tipping bucket (TB): 0.54"
4/26/2010 7:00 AM 0.37 M M M M light rain falling at time of measurement; TB = 0.37"
4/27/2010 7:30 AM 0.78 M M M M tipping bucket: 0.78"
4/28/2010 7:30 AM 0.01 M M M M TP:0.01"
4/29/2010 7:30 AM T M M M M brief light showers afternoon of 4/28--more like virga reaching ground from TCU; precipitation very light
4/30/2010 7:15 AM 0.00 0.0 M M M
5/1/2010 8:00 AM 0.00 0.0 M M M
5/2/2010 8:00 AM T M M M M brief light rain showers with no accumulation
5/3/2010 7:30 AM 0.15 M M M M continuous moderate rain at time of measurement
5/4/2010 7:30 AM 0.26 M M M M 2-day tipping bucket accumulation: 0.41" compared to 0.41" gauge total.
5/5/2010 7:15 AM 0.00 0.0 M M M
5/6/2010 7:15 AM 0.00 0.0 M M M
5/7/2010 7:30 AM 0.00 0.0 M M M
5/9/2010 7:30 AM 0.00 0.0 M M M
5/10/2010 7:30 AM 0.00 0.0 M M M
5/11/2010 7:30 AM 0.00 0.0 M M M
5/12/2010 7:30 AM 0.55 M M M M tipping bucket: 0.54"
5/13/2010 7:45 AM 0.01 M M M M tipping bucket: 0.02
5/14/2010 7:30 AM 0.00 0.0 M M M
5/15/2010 8:00 AM M M M M M "(Original 0.00" rain/melted snow report on 05/15 changed to “NA” as rather certain that rainfall occurred on this date. Original report submitted 05/21/2010 10:22 AM. Report edited by Dan Manzo"
5/16/2010 8:00 AM 0.00 0.0 M M M
5/17/2010 7:30 AM 0.00 0.0 M M M
5/18/2010 7:40 AM 0.43 M M M M moderate continuous rain falling at time of measurement
5/19/2010 7:30 AM 0.58 M M M M
5/20/2010 7:30 AM 0.00 0.0 M M M
5/21/2010 7:45 AM 0.00 0.0 M M M
5/22/2010 8:00 AM 0.00 0.0 M M M
5/23/2010 8:00 AM 0.00 0.0 M M M
5/24/2010 7:30 AM 0.14 M M M M tipping bucket: 0.14"
5/25/2010 8:00 AM T M M M M tipping bucket: 0.00"
5/26/2010 7:45 AM 0.00 0.0 M M M
5/27/2010 8:00 AM 0.00 0.0 M M M
5/28/2010 6:45 AM 0.62 M M M M tipping bucket: 0.64; rain began 1950EDT ended 2150 EDT; 0.51 fell between 1950 and 2030.
5/29/2010 6:45 AM 0.08 M M M M tipping bucket: 0.07"; rain showers at time of measurement, intensity variable light to moderate
5/30/2010 8:00 AM 0.02 M M M M Tipping bucket: 0.03"
5/31/2010 7:30 AM 0.00 0.0 M M M
6/1/2010 7:00 AM 1.03 M M M M tipping bucket: 1.16"; heavy thundershower evening of 5/31/2010. Thunder began ~1645 EDT; rain began ~1710 EDT; rain ended ~1930 EDT; thunder ended ~2030 EDT
6/2/2010 8:00 AM T M M M M
6/3/2010 6:45 AM 0.00 0.0 M M M
6/4/2010 7:45 AM 0.01 M M M M
6/5/2010 8:00 AM 0.00 0.0 M M M
6/6/2010 8:00 AM 0.00 0.0 M M M
6/7/2010 8:00 AM T M M M M
6/8/2010 12:00 PM 0.00 0.0 M M M
6/9/2010 8:00 AM 0.00 0.0 M M M
6/10/2010 7:00 AM 0.52 M M M M TB: 0.51"
6/11/2010 7:30 AM 0.01 M M M M TB:0.01'
6/12/2010 8:00 AM 0.00 0.0 M M M
6/13/2010 3:00 PM 0.00 0.0 M M M
6/14/2010 7:45 AM 0.38 M M M M Tipping Bucket: 0.40"
6/15/2010 7:15 AM 0.00 0.0 M M M
6/16/2010 7:30 AM T M M M M
6/17/2010 7:30 AM 0.01 M M M M TB: 0.02"
6/18/2010 8:00 AM 0.00 0.0 M M M
6/19/2010 6:00 AM 0.00 0.0 M M M
6/20/2010 6:15 AM 0.00 0.0 M M M
6/21/2010 8:00 AM 0.00 0.0 M M M
6/22/2010 7:15 AM 0.00 0.0 M M M
6/23/2010 7:00 AM 0.69 M M M M Tipping bucket: 0.43" very heavy thundershower; reason for large discrepancy between two gauges unclear
6/24/2010 7:00 AM T M M M M
6/26/2010 7:45 AM 0.00 0.0 M M M
6/27/2010 8:00 AM 0.00 0.0 M M M
6/28/2010 7:00 AM 0.00 0.0 M M M
6/29/2010 7:00 AM 0.16 M M M M TB:0.17"
6/30/2010 7:30 AM 0.00 0.0 M M M
7/1/2010 7:30 AM 0.00 0.0 M M M
7/2/2010 7:30 AM 0.00 0.0 M M M
7/3/2010 8:00 AM 0.00 0.0 M M M
7/4/2010 8:30 AM 0.00 0.0 M M M
7/5/2010 8:00 AM 0.00 0.0 M M M
7/6/2010 7:30 AM 0.00 0.0 M M M
7/7/2010 7:30 AM T 0.0 M M M brief shower (apparently virga from heavy CU reaching ground) approx 0530 EDT and again ~0730 EDT; precipitation very light
7/8/2010 7:30 AM 0.00 0.0 M M M
7/9/2010 7:30 AM 0.00 0.0 M M M
7/10/2010 8:00 AM 1.02 0.0 M M M Tipping Bucket: 1.06"
7/11/2010 7:00 AM 0.09 M M M M tipping bucket: 0.10"
7/12/2010 7:30 AM 0.00 0.0 M M M
7/13/2010 7:30 AM 0.01 M M M M TB:0.01"; light rain falling at time of measurement
7/14/2010 7:00 AM 1.81 0.0 M M M TB: 2.18" half due to heavy thunderstorm between 12:20 and 12:30 EDT on 7/13
7/15/2010 7:30 AM 0.54 M M M M
7/16/2010 8:00 AM 0.00 0.0 M M M
7/17/2010 7:30 AM 0.09 M M M M TB: .09"
7/18/2010 8:00 AM 0.00 0.0 M M M
7/19/2010 7:30 AM 0.00 0.0 M M M
7/20/2010 7:00 AM 0.24 0.0 M M M tipping bucket: 0.24"
7/21/2010 7:00 AM 0.00 0.0 M M M
7/22/2010 7:00 AM 0.08 0.0 M M M Tipping Bucket: 0.09"
7/23/2010 7:30 AM 0.00 0.0 M M M
7/24/2010 8:00 AM 0.00 0.0 M M M
7/25/2010 8:00 AM 0.00 0.0 M M M
7/26/2010 7:45 AM 0.29 0.0 M M M tipping bucket: 0.38" ; high winds during peak rainfall appear to have affected gauge catch
7/27/2010 7:30 AM 0.00 0.0 M M M
7/28/2010 7:30 AM 0.00 0.0 M M M
7/29/2010 7:30 AM T 0.0 M M M light rain falling at time of measurement; precipitation very light
7/30/2010 7:45 AM 0.01 M M M M tipping bucket 0.01"
7/31/2010 8:00 AM 0.00 0.0 M M M
8/1/2010 8:00 AM T 0.0 M M M
8/2/2010 6:30 AM T 0.0 M M M intermittent light rain on morning of 8/1/2010; precipitation very light
8/3/2010 6:00 AM 0.00 0.0 M M M
8/4/2010 6:30 AM 0.00 0.0 M M M
8/5/2010 6:30 AM 0.00 0.0 M M M
8/6/2010 6:30 AM 0.00 0.0 M M M
8/7/2010 6:15 AM 0.00 0.0 M M M
8/8/2010 8:00 AM 0.00 0.0 M M M
8/9/2010 6:30 AM 0.00 0.0 M M M
8/10/2010 6:30 AM 0.00 0.0 M M M
8/11/2010 6:30 AM 0.00 0.0 M M M showers in vicinity of NJ-MC-16 afternoon of 8/10/2010; family member reported brief (5-10 min) shower between 1300 and 1400 EDT approx 5 miles WSW.
8/12/2010 6:30 AM T 0.0 M M M light intermittent rain at time of measurement; precipitation very light
8/13/2010 6:30 AM 0.08 0.0 M M M Tipping bucket: 0.08"
8/14/2010 7:30 AM 0.00 0.0 M M M
8/15/2010 8:00 AM 0.00 0.0 M M M
8/16/2010 8:00 AM 0.02 0.0 M M M Tipping bucket 0.02"
8/17/2010 7:00 AM T 0.0 M M M
8/18/2010 7:00 AM T 0.0 M M M intermittent light rain falling at time of observation; precipitation very light--like virga reaching ground
8/19/2010 7:00 AM 0.02 0.0 M M M TB:0.01"
8/20/2010 7:00 AM 0.00 0.0 M M M
8/21/2010 8:00 AM 0.00 0.0 M M M
8/22/2010 8:30 AM 0.02 0.0 M M M light rain falling at time of measurement; rain began approx. 0830 EDT; tipping bucket: .01"
8/23/2010 7:30 AM 0.19 0.0 M M M tipping bucket: 0.20"
8/24/2010 8:00 AM 0.31 0.0 M M M tipping bucket: 0.31"
8/25/2010 7:30 AM 0.30 M M M M
8/26/2010 7:30 AM T 0.0 M M M tipping bucket: 0.01"
8/27/2010 8:00 AM 0.00 0.0 M M M
8/30/2010 7:00 AM 0.00 0.0 M M M
8/31/2010 7:00 AM 0.00 0.0 M M M
9/1/2010 7:30 AM 0.00 0.0 M M M
9/2/2010 7:30 AM 0.00 0.0 M M M
9/3/2010 7:00 AM 0.00 0.0 M M M
9/4/2010 8:00 AM T 0.0 M M M
9/5/2010 8:00 AM 0.00 0.0 M M M
9/6/2010 7:30 AM 0.00 0.0 M M M
9/7/2010 6:30 AM 0.00 0.0 M M M
9/8/2010 7:00 AM 0.00 0.0 M M M
9/9/2010 7:30 AM 0.00 0.0 M M M
9/10/2010 7:30 AM 0.00 0.0 M M M
9/11/2010 7:00 AM 0.00 0.0 M M M
9/12/2010 8:15 AM 0.01 0.0 M M M light rsin fslling st time of measurement; TB: 0.00"
9/13/2010 7:30 AM 0.17 0.0 M M M TB:0.17"
9/14/2010 6:45 AM 0.18 0.0 M M M Tipping Bucket (TB): 0.19"; brief heavy thundershower on 9/13 between 1900 and 1930 EDT
9/15/2010 7:00 AM 0.00 0.0 M M M
9/16/2010 7:00 AM 0.00 0.0 M M M
9/17/2010 7:00 AM 0.79 0.0 M M M tipping bucket 0.90"; heavy thundershower with high winds about 1700 EDT
9/18/2010 8:00 AM 0.00 0.0 M M M
9/19/2010 8:00 AM 0.00 0.0 M M M
9/20/2010 7:00 AM 0.00 0.0 M M M
9/21/2010 7:00 AM 0.00 0.0 M M M
9/22/2010 7:00 AM 0.00 0.0 M M M
9/23/2010 7:00 AM 0.34 0.0 M M M tipping bucket 0.35"
9/24/2010 7:30 AM 0.00 0.0 M M M
9/25/2010 7:00 AM 0.00 0.0 M M M
9/26/2010 7:00 AM 0.00 0.0 M M M
9/27/2010 7:30 AM 0.03 M M M M Tipping Bucket: 0.03"
9/28/2010 7:00 AM 0.60 0.0 M M M TB: 0.62"
9/29/2010 7:00 AM 0.04 0.0 M M M TB: 0.04"
9/30/2010 7:30 AM 0.61 0.0 M M M tipping bucket 0.63"; moderate rain showers at time of measurement



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
11/6/2009 11/08/2009 5:30 PM 3 0.00 0.0 0.00
11/25/2009 11/28/2009 7:30 AM 4 0.11 0.0 0.00
3/19/2010 3/23/2010 7:30 AM 5 1.20 0.0 0.00 No precipitation observed prior to morning of 3/22 but gauge was not read. Unofficial tipping bucket recorded 1.32" during period 0730 3/21 to 0730 3/22.
8/28/2010 8/29/2010 7:00 AM 2 0.00 0.0 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