Station Overview Station Location
Station Number NJ-MC-30 Latitude 40.304615020752
Station Name Hopewell Twp 3.9 SE Longitude -74.7579803466797
County Mercer Elevation (ft) 201



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 12 3.89 2.16 3 2.16 3 0.00 0 0 3 0 0.0 0 0
Nov 12 3.68 1.98 4 1.98 4 0.00 0 0 4 0 3.6 1 0
Dec 12 4.07 4.55 13 4.55 13 0.00 0 0 13 0 0.0 0 0
Jan 13 3.48 2.76 8 2.76 8 0.00 0 0 8 0 0.7 1 0
Feb 13 2.77 2.33 6 2.33 6 0.00 0 0 6 0 6.3 1 1
March 13 4.20 2.88 6 2.88 6 0.00 0 0 6 0 0.0 0 1
April 13 4.11 2.43 9 2.19 7 0.24 2 1 7 0 0.0 0 0
May 13 4.20 4.67 11 4.30 8 0.37 3 1 7 0 0.0 0 0
June 13 4.35 11.72 30 11.72 30 0.00 0 0 14 0 0.0 0 0
July 13 5.38 6.45 31 5.93 28 0.52 3 1 9 3 0.0 0 0
Aug 13 4.11 4.98 31 3.25 25 1.73 6 1 12 1 0.0 0 0
Sept 13 4.42 1.20 29 1.20 29 0.00 0 0 6 1 0.0 0 0
Water Year Totals: 48.66" 48.11" 181 days 45.25" 167 2.86" 14 days 4 95 days 5 days 10.6" 3 days 2 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
10/1/2012
10/2/2012
10/3/2012
10/4/2012
10/5/2012
10/6/2012
10/7/2012
10/8/2012
10/9/2012
10/10/2012
10/11/2012
10/12/2012
10/13/2012
10/14/2012
10/15/2012
10/16/2012
10/17/2012
10/18/2012
10/19/2012
10/20/2012
10/21/2012
10/22/2012
10/23/2012
10/24/2012
10/25/2012
10/26/2012
10/27/2012
10/28/2012
10/29/2012 0.54
10/30/2012 1.56
10/31/2012 0.06
11/1/2012
11/2/2012
11/3/2012
11/4/2012
11/5/2012
11/6/2012
11/7/2012
11/8/2012 1.03
11/9/2012
11/10/2012
11/11/2012
11/12/2012
11/13/2012 0.25
11/14/2012 0.02
11/15/2012
11/16/2012
11/17/2012
11/18/2012
11/19/2012
11/20/2012
11/21/2012
11/22/2012
11/23/2012
11/24/2012
11/25/2012
11/26/2012
11/27/2012
11/28/2012 0.68
11/29/2012
11/30/2012
12/1/2012
12/2/2012
12/3/2012 0.05
12/4/2012 0.02
12/5/2012 0.01
12/6/2012
12/7/2012
12/8/2012 0.41
12/9/2012
12/10/2012 0.34
12/11/2012 0.05
12/12/2012
12/13/2012
12/14/2012
12/15/2012
12/16/2012
12/17/2012 0.21
12/18/2012 0.42
12/19/2012 0.03
12/20/2012
12/21/2012 1.23
12/22/2012
12/23/2012
12/24/2012
12/25/2012 0.19
12/26/2012
12/27/2012 1.40
12/28/2012
12/29/2012
12/30/2012 0.19
12/31/2012
Day of YearDaily PrcpMultiday Prcp
1/1/2013
1/2/2013
1/3/2013
1/4/2013
1/5/2013
1/6/2013 0.03
1/7/2013
1/8/2013
1/9/2013
1/10/2013
1/11/2013
1/12/2013 0.62
1/13/2013
1/14/2013 0.04
1/15/2013
1/16/2013 0.81
1/17/2013 0.07
1/18/2013
1/19/2013
1/20/2013
1/21/2013
1/22/2013
1/23/2013
1/24/2013
1/25/2013
1/26/2013 0.05
1/27/2013
1/28/2013
1/29/2013
1/30/2013 0.15
1/31/2013 0.99
2/1/2013
2/2/2013
2/3/2013
2/4/2013
2/5/2013
2/6/2013
2/7/2013
2/8/2013
2/9/2013 0.86
2/10/2013
2/11/2013 0.32
2/12/2013
2/13/2013
2/14/2013 0.17
2/15/2013
2/16/2013
2/17/2013
2/18/2013
2/19/2013
2/20/2013 0.18
2/21/2013
2/22/2013
2/23/2013
2/24/2013 0.18
2/25/2013
2/26/2013
2/27/2013 0.62
2/28/2013
3/1/2013
3/2/2013
3/3/2013
3/4/2013
3/5/2013
3/6/2013
3/7/2013
3/8/2013
3/9/2013 0.58
3/10/2013
3/11/2013
3/12/2013
3/13/2013 0.84
3/14/2013
3/15/2013
3/16/2013
3/17/2013 0.25
3/18/2013
3/19/2013 0.78
3/20/2013 0.10
3/21/2013
3/22/2013
3/23/2013
3/24/2013
3/25/2013
3/26/2013 0.33
3/27/2013
3/28/2013
3/29/2013
3/30/2013
3/31/2013
Day of YearDaily PrcpMultiday Prcp
4/1/2013 **
4/2/2013 0.24
4/3/2013
4/4/2013
4/5/2013
4/6/2013
4/7/2013
4/8/2013
4/9/2013
4/10/2013
4/11/2013 0.80
4/12/2013
4/13/2013 0.86
4/14/2013
4/15/2013
4/16/2013
4/17/2013 0.01
4/18/2013
4/19/2013 0.02
4/20/2013 0.38
4/21/2013
4/22/2013
4/23/2013
4/24/2013 0.01
4/25/2013
4/26/2013
4/27/2013
4/28/2013
4/29/2013 0.11
4/30/2013
5/1/2013
5/2/2013
5/3/2013
5/4/2013
5/5/2013
5/6/2013
5/7/2013
5/8/2013
5/9/2013 2.23
5/10/2013 0.00
5/11/2013 0.63
5/12/2013 0.14
5/13/2013
5/14/2013
5/15/2013
5/16/2013
5/17/2013 0.03
5/18/2013 **
5/19/2013 **
5/20/2013 0.37
5/21/2013
5/22/2013
5/23/2013
5/24/2013 0.47
5/25/2013 0.34
5/26/2013
5/27/2013
5/28/2013
5/29/2013 0.46
5/30/2013
5/31/2013
6/1/2013 0.00
6/2/2013 0.00
6/3/2013 0.10
6/4/2013 0.66
6/5/2013 0.00
6/6/2013 0.00
6/7/2013 0.92
6/8/2013 3.33
6/9/2013 0.00
6/10/2013 0.00
6/11/2013 1.73
6/12/2013 0.02
6/13/2013 0.00
6/14/2013 0.76
6/15/2013 0.22
6/16/2013 0.00
6/17/2013 0.00
6/18/2013 0.19
6/19/2013 0.36
6/20/2013 0.00
6/21/2013 0.00
6/22/2013 0.00
6/23/2013 0.00
6/24/2013 0.02
6/25/2013 0.00
6/26/2013 0.00
6/27/2013 0.06
6/28/2013 3.31
6/29/2013 0.04
6/30/2013 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2013 0.33
7/2/2013 0.17
7/3/2013 0.43
7/4/2013 **
7/5/2013 **
7/6/2013 0.52
7/7/2013 0.00
7/8/2013 T
7/9/2013 0.00
7/10/2013 0.03
7/11/2013 0.00
7/12/2013 T
7/13/2013 1.44
7/14/2013 0.89
7/15/2013 0.00
7/16/2013 0.00
7/17/2013 0.00
7/18/2013 0.00
7/19/2013 0.00
7/20/2013 0.00
7/21/2013 0.00
7/22/2013 0.00
7/23/2013 2.20
7/24/2013 0.02
7/25/2013 0.00
7/26/2013 T
7/27/2013 0.00
7/28/2013 0.00
7/29/2013 0.42
7/30/2013 0.00
7/31/2013 0.00
8/1/2013 0.00
8/2/2013 1.09
8/3/2013 0.00
8/4/2013 0.07
8/5/2013 0.00
8/6/2013 0.00
8/7/2013 0.00
8/8/2013 0.32
8/9/2013 0.03
8/10/2013 0.04
8/11/2013 0.00
8/12/2013 0.00
8/13/2013 **
8/14/2013 **
8/15/2013 **
8/16/2013 **
8/17/2013 **
8/18/2013 1.73
8/19/2013 0.02
8/20/2013 T
8/21/2013 0.00
8/22/2013 0.12
8/23/2013 1.12
8/24/2013 0.01
8/25/2013 0.00
8/26/2013 0.00
8/27/2013 0.07
8/28/2013 0.00
8/29/2013 0.35
8/30/2013 0.01
8/31/2013 0.00
9/1/2013 0.01
9/2/2013 0.08
9/3/2013 0.08
9/4/2013 0.00
9/5/2013 0.00
9/6/2013 0.00
9/7/2013 0.00
9/8/2013 0.00
9/9/2013 0.00
9/10/2013 0.00
9/11/2013 0.00
9/12/2013 0.00
9/13/2013
9/14/2013 0.01
9/15/2013 0.00
9/16/2013 T
9/17/2013 0.04
9/18/2013 0.00
9/19/2013 0.00
9/20/2013 0.00
9/21/2013 0.00
9/22/2013 0.98
9/23/2013 0.00
9/24/2013 0.00
9/25/2013 0.00
9/26/2013 0.00
9/27/2013 0.00
9/28/2013 0.00
9/29/2013 0.00
9/30/2013 0.00



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/29/2012 9:00 AM 0.54 M M M M This is the beginning of Hurricane Sandy and rain is ongoing. Read and dumped and reset. It continues to rain.
10/30/2012 8:30 AM 1.56 M M M M Part of Sandy rainfall and it was all day, coming in waves.
10/31/2012 8:30 AM 0.06 M M M M Last of Sandy
11/8/2012 8:00 AM 1.03 3.6 M M M This is measurement of melted snow in gauge. Snow began around 11 am on the 7th and ended during the night 7th/8th.
11/13/2012 9:15 AM 0.25 M M M M
11/14/2012 9:00 AM 0.02 M M M M Measurement reflects last of rain on Tuesday, Nov. 13 which ended mid-morning of the 13th.
11/28/2012 8:00 AM 0.68 M M M M This was a mixed event--rain, snow, sleet. Dusting of snow which stuck to grass only.
12/3/2012 9:30 AM 0.05 M M M M
12/4/2012 8:30 AM 0.02 M M M M Early morning rain.
12/5/2012 8:38 AM 0.01 M M M M
12/8/2012 6:15 PM 0.41 M M M M
12/10/2012 1:30 PM 0.34 M M M M
12/11/2012 8:00 AM 0.05 M M M M
12/17/2012 8:00 AM 0.21 M M M M
12/18/2012 9:00 AM 0.42 M M M M
12/19/2012 8:30 AM 0.03 M M M M
12/21/2012 10:00 AM 1.23 M M M M
12/25/2012 8:00 AM 0.19 M M M M
12/27/2012 8:00 AM 1.40 M M M M Regional flooding, but not in our immediate neighborhood.
12/30/2012 8:00 AM 0.19 M M M M
1/6/2013 8:00 AM 0.03 M M M M A morning dusting of snow.
1/12/2013 9:00 AM 0.62 M M M M
1/14/2013 9:00 AM 0.04 M M M M
1/16/2013 9:00 AM 0.81 M M M M
1/17/2013 9:00 AM 0.07 M M M M
1/26/2013 9:00 AM 0.05 0.7 0.05 M M About 1" of snow
1/30/2013 6:30 PM 0.15 M M M M No actual rain--mizzling and fog overnight and all day. About 66%F
1/31/2013 8:00 PM 0.99 M M M M
2/9/2013 10:00 AM 0.86 6.3 0.86 6.3 M
2/11/2013 8:00 PM 0.32 M M M M Early morning was sleety-freezing rain. End of day it is warm.
2/14/2013 8:00 AM 0.17 M M M M About 1+ inch of snow. We did not measure.
2/20/2013 8:00 AM 0.18 M M M M This is a cumulative total--have been away. Rain 2/19. There was rain 2/15-16 as well.
2/24/2013 8:00 AM 0.18 M M M M Rain began late evening of Friday, 2/22/13 and it was still mizzling at 11 pm on Saturday, 2/23/13
2/27/2013 6:00 PM 0.62 M M M M
3/9/2013 8:00 AM 0.58 M M 3.5 M Snow was measured Friday morning, 3/8/13, but rapidly melted during day. (MG note: 0.58" prcp total looks to be an event (2-day) total, not a 24 hr amount. Original report submitted 3/10/2013 7:52 PM)
3/13/2013 8:00 AM 0.84 M M M M Rained most of day 3/12/13
3/17/2013 8:00 AM 0.25 M M M M Measured snow fall at 6 pm on 3/16/13--1 inch on ground.
3/19/2013 8:00 AM 0.78 M M M M Precip began about 4 pm on 3/18/13. A slushy mix. Roads were treacherous at 7 pm. Changed over to rain in night.
3/20/2013 8:00 AM 0.10 M M M M
3/26/2013 8:00 PM 0.33 M M M M Includes snow/rain event from Monday, 3/25 as well as a late day shower on 3/26.
4/11/2013 8:00 AM 0.80 M M M M
4/13/2013 9:00 AM 0.86 M M M M
4/17/2013 8:00 AM 0.01 M M M M Brief showers mid day on the 16th
4/19/2013 9:00 AM 0.02 M M M M occasional showers on Thursdays and one early Friday morning.
4/20/2013 11:00 AM 0.38 M M M M RAIN ENDED IN EARLY MORNING
4/24/2013 9:00 AM 0.01 M M M M
4/29/2013 9:00 AM 0.11 M M M M
5/9/2013 7:30 AM 2.23 M M M M A brief shower on Monday, 5/7. Rain began in earnest after bedtime on Monday.
5/10/2013 8:00 AM 0.00 0.0 M M M Trace of liquid in rain gauge
5/11/2013 8:30 AM 0.63 M M M M
5/12/2013 9:00 AM 0.14 M M M M rain stopped shortly after 6 a.m.
5/17/2013 8:00 AM 0.03 M M M M Rain ended before 10 am on the 16th.
5/24/2013 6:30 AM 0.47 M M M M There was a brief shower in the night of 22-23 which left a trace of rain in gauge. This rainfall is added to the measurement made this morning.
5/25/2013 8:00 AM 0.34 M M M M
5/29/2013 8:00 AM 0.46 M M M M
6/1/2013 8:00 AM 0.00 0.0 M M M
6/2/2013 8:00 AM 0.00 0.0 M M M
6/3/2013 7:00 AM 0.10 M M M M
6/4/2013 8:00 AM 0.66 M M M M Most of the rain was before noon on 6/3/13. Some evening showers later in the day.
6/5/2013 8:00 AM 0.00 0.0 M M M
6/6/2013 8:00 AM 0.00 0.0 M M M
6/7/2013 9:00 AM 0.92 M M M M
6/8/2013 6:15 AM 3.33 M M M M Counting the reading taken yesterday morning, a staggering 4.25 inches total in this storm.
6/9/2013 8:00 AM 0.00 0.0 M M M
6/10/2013 8:00 AM 0.00 0.0 M M M
6/11/2013 7:30 AM 1.73 M M M M
6/12/2013 6:30 AM 0.02 M M M M Brief afternoon shower on the 11th. Otherwise, a changeable day, but no real rain.
6/13/2013 8:00 AM 0.00 0.0 M M M
6/14/2013 7:30 AM 0.76 M M M M Rain was before noon and after 7:30 pm. Mid-day dry.
6/15/2013 8:00 AM 0.22 M M M M Our rain gauge has become the favored perch for a pair of nesting robins and their offspring. The result is we get bird droppings in the gauge! I have taken off .01 from the reading for water displacement! BTW, the rain fell primarily late afternoon/evening of 6/14.
6/16/2013 8:00 AM 0.00 0.0 M M M
6/17/2013 8:00 AM 0.00 0.0 M M M
6/18/2013 6:00 AM 0.19 M M M M Late day showers on the 17th.
6/19/2013 6:00 PM 0.36 M M M M All precip was on Tuesday, 6/18.
6/20/2013 8:00 AM 0.00 0.0 M M M
6/21/2013 8:00 AM 0.00 0.0 M M M
6/22/2013 8:00 AM 0.00 0.0 M M M
6/23/2013 8:00 AM 0.00 0.0 M M M
6/24/2013 8:30 AM 0.02 M M M M Afternoon shower on the 23rd.
6/25/2013 8:00 AM 0.00 0.0 M M M
6/26/2013 7:00 AM 0.00 0.0 M M M There was a brief shower about 4 pm on Tuesday, 6/25 with no really measurable accumulation.
6/27/2013 9:00 AM 0.06 M M M M Late afternoon showers on the 26th
6/28/2013 6:30 AM 3.31 M M M M Occasional showers from about 4 to 7, accounting for about a tenth of an inch. HEAVY rain between 7:30-8:15 which accounts for the bulk of the rain measured this morning, with spotty showers after.
6/29/2013 7:00 AM 0.04 M M M M Late day showers on the 28th
6/30/2013 8:00 AM 0.00 0.0 M M M
7/1/2013 9:00 AM 0.33 M M M M Rained in the afternoon of the 30th, measuring .32 by end of that day. Additional .01 overnight for 24 hour total.
7/2/2013 8:00 AM 0.17 M M M M
7/3/2013 8:00 AM 0.43 M M M M
7/7/2013 9:00 AM 0.00 0.0 M M M
7/8/2013 8:00 AM T M M M M Brief sprinkle of rain between 8-9 pm on the 7th.
7/9/2013 8:00 AM 0.00 0.0 M M M
7/10/2013 7:00 AM 0.03 M M M M Trace of rain around 6 pm, then major downpour shortly after 8 pm.
7/11/2013 8:00 AM 0.00 0.0 M M M
7/12/2013 7:00 AM T M M M M
7/13/2013 7:00 AM 1.44 M M M M Light rains in afternoon with heavy downpours starting after 4 pm.
7/14/2013 7:00 AM 0.89 M M M M
7/15/2013 7:00 AM 0.00 0.0 M M M
7/16/2013 8:00 AM 0.00 0.0 M M M
7/17/2013 6:30 AM 0.00 0.0 M M M
7/18/2013 8:00 AM 0.00 0.0 M M M
7/19/2013 8:00 AM 0.00 0.0 M M M
7/20/2013 8:00 AM 0.00 0.0 M M M
7/21/2013 8:00 AM 0.00 0.0 M M M
7/22/2013 8:00 AM 0.00 0.0 M M M
7/23/2013 8:00 AM 2.20 M M M M
7/24/2013 6:00 AM 0.02 M M M M
7/25/2013 6:00 AM 0.00 0.0 M M M
7/26/2013 6:00 AM T M M M M
7/27/2013 6:00 AM 0.00 0.0 M M M
7/28/2013 8:00 AM 0.00 0.0 M M M
7/29/2013 7:00 AM 0.42 M M M M
7/30/2013 7:00 AM 0.00 0.0 M M M
7/31/2013 8:00 AM 0.00 0.0 M M M
8/1/2013 7:00 AM 0.00 0.0 M M M
8/2/2013 7:00 AM 1.09 M M M M
8/3/2013 7:00 AM 0.00 0.0 M M M
8/4/2013 6:30 AM 0.07 M M M M
8/5/2013 7:00 AM 0.00 0.0 M M M
8/6/2013 7:00 AM 0.00 0.0 M M M
8/7/2013 8:00 AM 0.00 0.0 M M M
8/8/2013 8:00 AM 0.32 M M M M
8/9/2013 7:00 AM 0.03 M M M M
8/10/2013 8:00 AM 0.04 M M M M
8/11/2013 8:00 AM 0.00 0.0 M M M
8/12/2013 7:00 AM 0.00 0.0 M M M
8/19/2013 8:00 AM 0.02 M M M M
8/20/2013 8:00 AM T M M M M
8/21/2013 8:00 AM 0.00 0.0 M M M
8/22/2013 8:30 AM 0.12 M M M M Rain started in the early morning hours.
8/23/2013 7:00 AM 1.12 M M M M
8/24/2013 8:00 AM 0.01 M M M M
8/25/2013 8:00 AM 0.00 0.0 M M M
8/26/2013 7:00 AM 0.00 0.0 M M M
8/27/2013 7:00 AM 0.07 M M M M
8/28/2013 6:00 AM 0.00 0.0 M M M
8/29/2013 7:00 AM 0.35 M M M M
8/30/2013 7:00 AM 0.01 M M M M
8/31/2013 8:00 AM 0.00 0.0 M M M
9/1/2013 8:00 AM 0.01 M M M M
9/2/2013 8:00 AM 0.08 M M M M Misty, mizzling weather
9/3/2013 7:00 AM 0.08 M M M M
9/4/2013 6:00 AM 0.00 0.0 M M M
9/5/2013 8:00 AM 0.00 0.0 M M M
9/6/2013 8:00 AM 0.00 0.0 M M M
9/7/2013 8:00 AM 0.00 0.0 M M M
9/8/2013 8:00 AM 0.00 0.0 M M M
9/9/2013 6:00 AM 0.00 0.0 M M M
9/10/2013 6:00 AM 0.00 0.0 M M M
9/11/2013 6:00 AM 0.00 0.0 M M M
9/12/2013 8:00 AM 0.00 0.0 M M M
9/14/2013 7:00 AM 0.01 M M M M
9/15/2013 7:00 AM 0.00 0.0 M M M
9/16/2013 8:00 AM T M M M M Some mild sprinkles in early morning.
9/17/2013 8:00 AM 0.04 M M M M
9/18/2013 6:00 AM 0.00 0.0 M M M
9/19/2013 6:00 AM 0.00 0.0 M M M
9/20/2013 8:00 AM 0.00 0.0 M M M
9/21/2013 8:00 AM 0.00 0.0 M M M
9/22/2013 7:00 AM 0.98 M M M M
9/23/2013 7:00 AM 0.00 0.0 M M M
9/24/2013 6:00 AM 0.00 0.0 M M M
9/25/2013 6:00 AM 0.00 0.0 M M M
9/26/2013 7:00 AM 0.00 0.0 M M M
9/27/2013 7:00 AM 0.00 0.0 M M M
9/28/2013 8:00 AM 0.00 0.0 M M M
9/29/2013 8:00 AM 0.00 0.0 M M M
9/30/2013 7:00 AM 0.00 0.0 M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
4/1/2013 4/02/2013 8:00 AM 2 0.24 M M (Entered by MG in place of single day report for 4/2, as after corresponding with observer, determined that this was likely a 2-day total. Original single day report entered 4/02/2013 5:54 PM)
5/18/2013 5/20/2013 7:30 PM 3 0.37 M M (Entered by MG in place of single day report that noted it was a multi-day accumulation covering 5/18-5/20 (note actually said "3/18-3/20", but that was certainly a typo). Original single day report entered 5/20/2013 7:47 PM)
7/4/2013 7/06/2013 8:30 AM 3 0.52 M M
8/13/2013 8/18/2013 12:00 AM 6 1.73 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