Station Overview Station Location
Station Number NJ-MS-31 Latitude 40.9157583905635
Station Name Denville Twp 2.0 NNE Longitude -74.4758194684982
County Morris Elevation (ft) 780



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 4.42 6.37 27 6.37 27 0.00 0 0 20 0 0.0 0 0
Nov 09 4.09 1.85 30 1.85 30 0.00 0 0 11 2 0.0 0 0
Dec 09 4.09 5.20 24 5.20 24 0.00 0 0 7 1 12.1 2 8
Jan 10 3.57 2.77 30 2.77 30 0.00 0 0 6 1 1.0 2 2
Feb 10 2.84 5.12 28 5.12 28 0.00 0 0 10 3 34.6 10 21
March 10 4.12 9.41 30 9.41 30 0.00 0 0 12 0 0.5 1 7
April 10 4.40 3.69 30 3.69 30 0.00 0 0 7 2 0.0 0 0
May 10 4.55 3.72 31 3.72 31 0.00 0 0 11 4 0.0 0 0
June 10 4.65 4.30 30 4.30 30 0.00 0 0 13 4 0.0 0 0
July 10 4.62 4.05 31 4.05 19 0.00 12 0 6 0 0.0 0 0
Aug 10 4.23 5.30 30 3.63 19 1.67 11 2 8 2 0.0 0 0
Sept 10 4.53 3.33 30 3.33 30 0.00 0 0 8 2 0.0 0 0
Water Year Totals: 50.11" 55.11" 351 days 53.44" 328 1.67" 23 days 2 119 days 21 days 48.2" 15 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
10/2/2009 0.03
10/3/2009 0.20
10/4/2009 0.46
10/5/2009 0.00
10/6/2009 0.01
10/7/2009 0.41
10/8/2009 0.02
10/9/2009 0.00
10/10/2009 0.48
10/11/2009 0.01
10/12/2009 0.00
10/13/2009
10/14/2009 0.00
10/15/2009 0.00
10/16/2009 0.70
10/17/2009 0.03
10/18/2009 0.09
10/19/2009 0.04
10/20/2009 0.01
10/21/2009 0.00
10/22/2009
10/23/2009 0.00
10/24/2009 0.60
10/25/2009 1.59
10/26/2009
10/27/2009 0.03
10/28/2009 0.98
10/29/2009 0.53
10/30/2009 0.02
10/31/2009 0.13
11/1/2009 0.24
11/2/2009 0.02
11/3/2009 0.00
11/4/2009 0.00
11/5/2009 0.02
11/6/2009 0.13
11/7/2009 0.01
11/8/2009 0.00
11/9/2009 0.00
11/10/2009 0.00
11/11/2009 0.00
11/12/2009 0.00
11/13/2009 0.00
11/14/2009 0.38
11/15/2009 0.09
11/16/2009 0.02
11/17/2009 0.00
11/18/2009 0.00
11/19/2009 0.00
11/20/2009 0.74
11/21/2009 0.00
11/22/2009 0.00
11/23/2009 0.00
11/24/2009 0.02
11/25/2009 T
11/26/2009 0.18
11/27/2009 T
11/28/2009 0.00
11/29/2009 0.00
11/30/2009 0.00
12/1/2009 0.15
12/2/2009 0.00
12/3/2009 1.41
12/4/2009 0.00
12/5/2009 0.00
12/6/2009 0.41
12/7/2009 0.00
12/8/2009 0.00
12/9/2009 1.29
12/10/2009 0.31
12/11/2009 T
12/12/2009 0.00
12/13/2009 0.00
12/14/2009 0.99
12/15/2009 0.00
12/16/2009 0.00
12/17/2009 0.00
12/18/2009 0.00
12/19/2009 0.00
12/20/2009 0.64
12/21/2009 0.00
12/22/2009 0.00
12/23/2009 0.00
12/24/2009 0.00
12/25/2009
12/26/2009
12/27/2009
12/28/2009
12/29/2009
12/30/2009
12/31/2009
Day of YearDaily PrcpMultiday Prcp
1/1/2010 M
1/2/2010 0.00
1/3/2010 0.00
1/4/2010 0.07
1/5/2010 0.00
1/6/2010 0.00
1/7/2010 0.00
1/8/2010 0.03
1/9/2010 0.00
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 0.49
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 0.34
1/26/2010 1.77
1/27/2010 0.00
1/28/2010 T
1/29/2010 0.07
1/30/2010 0.00
1/31/2010 0.00
2/1/2010 0.00
2/2/2010 0.00
2/3/2010 0.22
2/4/2010 0.00
2/5/2010 0.00
2/6/2010 T
2/7/2010 T
2/8/2010 0.00
2/9/2010 0.00
2/10/2010 0.17
2/11/2010 0.96
2/12/2010 0.00
2/13/2010 0.00
2/14/2010 0.00
2/15/2010 0.00
2/16/2010 0.11
2/17/2010 0.20
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 0.27
2/24/2010 0.33
2/25/2010 0.24
2/26/2010 1.71
2/27/2010 0.91
2/28/2010 T
3/1/2010 0.00
3/2/2010 0.00
3/3/2010 0.06
3/4/2010 0.09
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 0.00
3/13/2010 0.76
3/14/2010 2.46
3/15/2010 0.35
3/16/2010 0.17
3/17/2010
3/18/2010 0.00
3/19/2010 0.00
3/20/2010 0.00
3/21/2010 0.00
3/22/2010 0.00
3/23/2010 2.04
3/24/2010 0.04
3/25/2010 0.00
3/26/2010 0.24
3/27/2010 0.00
3/28/2010 0.00
3/29/2010 1.24
3/30/2010 0.15
3/31/2010 1.81
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 0.00
4/7/2010 0.00
4/8/2010 0.00
4/9/2010 0.35
4/10/2010 T
4/11/2010 0.00
4/12/2010 0.00
4/13/2010 0.00
4/14/2010 0.00
4/15/2010 0.00
4/16/2010 0.00
4/17/2010 0.41
4/18/2010 T
4/19/2010 0.00
4/20/2010 0.00
4/21/2010 0.00
4/22/2010 0.00
4/23/2010 0.07
4/24/2010 0.00
4/25/2010 1.22
4/26/2010 0.90
4/27/2010 0.72
4/28/2010 0.02
4/29/2010 0.00
4/30/2010 0.00
5/1/2010 0.00
5/2/2010 0.00
5/3/2010 1.39
5/4/2010 0.15
5/5/2010 0.03
5/6/2010 0.00
5/7/2010 0.00
5/8/2010 0.00
5/9/2010 0.10
5/10/2010 T
5/11/2010 0.00
5/12/2010 0.41
5/13/2010 0.12
5/14/2010 0.00
5/15/2010 0.05
5/16/2010 0.00
5/17/2010 0.00
5/18/2010 0.00
5/19/2010 1.03
5/20/2010 0.03
5/21/2010 0.00
5/22/2010 0.00
5/23/2010 0.26
5/24/2010 T
5/25/2010 T
5/26/2010 0.00
5/27/2010 0.00
5/28/2010 0.15
5/29/2010 T
5/30/2010 0.00
5/31/2010 0.00
6/1/2010 0.00
6/2/2010 0.21
6/3/2010 T
6/4/2010 0.02
6/5/2010 0.00
6/6/2010 0.00
6/7/2010 0.14
6/8/2010 T
6/9/2010 0.00
6/10/2010 0.55
6/11/2010 0.03
6/12/2010 0.00
6/13/2010 0.00
6/14/2010 1.85
6/15/2010 0.05
6/16/2010 T
6/17/2010 0.35
6/18/2010 0.01
6/19/2010 0.00
6/20/2010 T
6/21/2010 0.00
6/22/2010 0.00
6/23/2010 0.24
6/24/2010 0.01
6/25/2010 0.10
6/26/2010 0.00
6/27/2010 0.00
6/28/2010 0.00
6/29/2010 0.74
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 0.00
7/8/2010 0.00
7/9/2010 0.05
7/10/2010 0.11
7/11/2010 1.11
7/12/2010 0.00
7/13/2010 0.10
7/14/2010 1.61
7/15/2010 1.07
7/16/2010 0.00
7/17/2010 0.00
7/18/2010 0.00
7/19/2010 0.00
7/20/2010 **
7/21/2010 **
7/22/2010 **
7/23/2010 **
7/24/2010 **
7/25/2010 **
7/26/2010 **
7/27/2010 **
7/28/2010 **
7/29/2010 **
7/30/2010 **
7/31/2010 **
8/1/2010 **
8/2/2010 **
8/3/2010 **
8/4/2010 **
8/5/2010 **
8/6/2010 **
8/7/2010 **
8/8/2010 **
8/9/2010 1.03
8/10/2010 0.00
8/11/2010 0.02
8/12/2010 0.00
8/13/2010 0.09
8/14/2010 T
8/15/2010 0.00
8/16/2010 0.43
8/17/2010 0.02
8/18/2010 0.00
8/19/2010 0.00
8/20/2010 0.00
8/21/2010 0.00
8/22/2010 0.10
8/23/2010 2.42
8/24/2010 0.53
8/25/2010 **
8/26/2010 0.64
8/27/2010 0.02
8/28/2010 T
8/29/2010 0.00
8/30/2010
8/31/2010 0.00
9/1/2010 0.00
9/2/2010 0.00
9/3/2010 0.00
9/4/2010 0.00
9/5/2010 0.00
9/6/2010 0.00
9/7/2010 0.00
9/8/2010 T
9/9/2010 0.00
9/10/2010 0.00
9/11/2010 0.00
9/12/2010 0.00
9/13/2010 0.20
9/14/2010 0.97
9/15/2010 T
9/16/2010 0.00
9/17/2010 0.55
9/18/2010 0.01
9/19/2010 0.00
9/20/2010 0.00
9/21/2010 0.00
9/22/2010 0.00
9/23/2010 0.22
9/24/2010 0.00
9/25/2010 0.00
9/26/2010 0.00
9/27/2010 0.00
9/28/2010 0.72
9/29/2010 0.03
9/30/2010 0.63



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/2/2009 7:00 AM 0.03 M M M M
10/3/2009 7:00 AM 0.20 M M M M
10/4/2009 7:00 AM 0.46 M M M M Thunder at 11:30 PM
10/5/2009 7:00 AM 0.00 0.0 M M M
10/6/2009 7:00 AM 0.01 M M M M
10/7/2009 7:00 AM 0.41 M M M M
10/8/2009 7:00 AM 0.02 M M M M
10/9/2009 7:00 AM 0.00 0.0 M M M
10/10/2009 7:00 AM 0.48 M M M M
10/11/2009 7:00 AM 0.01 M M M M
10/12/2009 7:00 AM 0.00 0.0 M M M
10/14/2009 7:00 AM 0.00 0.0 M M M
10/15/2009 7:00 AM 0.00 0.0 M M M
10/16/2009 7:00 AM 0.70 M M M M First day of snow precipitation this season which eventually turned to sleet then rain (overnight)
10/17/2009 7:00 AM 0.03 M M M M
10/18/2009 7:00 AM 0.09 M M M M
10/19/2009 7:00 AM 0.04 M M M M
10/20/2009 7:00 AM 0.01 M M M M
10/21/2009 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 7:00 AM 0.60 M M M M heavy wind gusts began at 5:30 PM
10/25/2009 7:00 AM 1.59 M M M M 5:30-6:15 PM thunder and lightening to the east, followed by heavy wind which subsided by 7:30 PM
10/27/2009 7:00 AM 0.03 M M M M
10/28/2009 7:00 AM 0.98 M M M M rain still on-going
10/29/2009 7:00 AM 0.53 M M M M
10/30/2009 7:00 AM 0.02 M M M M
10/31/2009 7:00 AM 0.13 M M M M heavy fog
11/1/2009 7:00 AM 0.24 M M M M
11/2/2009 7:00 AM 0.02 M M M M
11/3/2009 7:00 AM 0.00 0.0 M M M first day of hard frost in the valley
11/4/2009 7:00 AM 0.00 0.0 M M M
11/5/2009 7:00 AM 0.02 M M M M
11/6/2009 7:00 AM 0.13 M M M M heavy winds occured with driving rain
11/7/2009 7:00 AM 0.01 M M M M
11/8/2009 7:00 AM 0.00 0.0 M M M
11/9/2009 7:00 AM 0.00 0.0 M M M
11/10/2009 7:00 AM 0.00 0.0 M M M
11/11/2009 7:00 AM 0.00 0.0 M M M
11/12/2009 7:00 AM 0.00 0.0 M M M
11/13/2009 7:00 AM 0.00 0.0 M M M
11/14/2009 7:00 AM 0.38 M M M M
11/15/2009 7:00 AM 0.09 M M M M Heavy fog at 2AM
11/16/2009 7:00 AM 0.02 M M M M
11/17/2009 7:00 AM 0.00 0.0 M M M beautiful sun rise
11/18/2009 7:00 AM 0.00 0.0 M M M
11/19/2009 7:00 AM 0.00 0.0 M M M
11/20/2009 7:00 AM 0.74 M M M M
11/21/2009 7:00 AM 0.00 0.0 M M M spectacular red sunrise
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 7:00 AM 0.02 M M M M
11/25/2009 7:00 AM T M M M M heavy fog at 7 AM reading
11/26/2009 7:00 AM 0.18 M M M M
11/27/2009 7:00 AM T M M M M
11/28/2009 7:00 AM 0.00 0.0 M M M windy with small branches down; rest of leaves down too.
11/29/2009 7:00 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 0.15 M M M M first hard frost
12/2/2009 7:00 AM 0.00 0.0 M M M
12/3/2009 7:00 AM 1.41 M M M M strong gusts of wind
12/4/2009 7:00 AM 0.00 0.0 M M M
12/5/2009 7:00 AM 0.00 0.0 M M M
12/6/2009 7:00 AM 0.41 4.7 0.41 4.0 M 5:10 PM mix of rain and snow...5:45 all snow again...3.5"
12/7/2009 7:00 AM 0.00 0.0 M 2.0 0.48
12/8/2009 7:00 AM 0.00 0.0 M 3.0 0.37
12/9/2009 7:00 AM 1.29 M M M 1.29 Began as snow 10:15 PM...6AM icy rain...8AM just rain
12/10/2009 7:00 AM 0.31 M M T M rain stopped at 10:10 AP./ Icy glaze on road.
12/11/2009 7:00 AM T M M T M
12/12/2009 7:00 AM 0.00 0.0 M T M water in lake has a thin frozen layer over the surface
12/13/2009 7:00 AM 0.00 0.0 0.00 T M
12/14/2009 7:00 AM 0.99 0.0 0.00 0.0 0.00 light drizzel followed by heaviest presip. after 2PM and before 5 PM
12/15/2009 7:00 AM 0.00 0.0 0.00 0.0 0.00 heavy fog
12/16/2009 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/17/2009 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/18/2009 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/19/2009 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/20/2009 7:00 AM 0.64 7.4 0.64 7.5 0.64 1 PM flurries/2PM light snow/3:30PM heavy/ 11 PM heavy and steady/3:15 AM stars
12/21/2009 7:00 AM 0.00 0.0 0.00 0.5 0.60
12/22/2009 7:00 AM 0.00 0.0 0.00 5.0 0.75
12/23/2009 7:00 AM 0.00 0.0 0.00 5.0 0.75 drifting
12/24/2009 7:00 AM 0.00 0.0 0.00 4.5 0.68 ice under snow in sunny spots
1/1/2010 7:00 AM M 0.0 M M M "(Original 0.00" rain/melted snow report changed to "NA", as rather certain that measurable prcp occurred on this day. Original report submitted 1/27/2010 7:10 AM. Report edited by Adam Rainear)".
1/2/2010 7:00 AM 0.00 0.0 M T T 9PM- blustery winds beginning
1/3/2010 7:00 AM 0.00 0.0 0.00 T 0.02 blustery,small branch debris
1/4/2010 7:00 AM 0.07 0.3 0.07 0.5 0.08 blustery snow squales all day and into the night.. small branches down. (Believe that 0.25" total prcp report was made in error, as rather high. After conferring with observer, confirmed that 0.07" was intended value, so have changed report to that. Edited 1/4 by MG)
1/5/2010 7:00 AM 0.00 0.0 0.00 T 0.02
1/6/2010 7:00 AM 0.00 0.0 0.00 T T
1/7/2010 7:00 AM 0.00 0.0 0.00 T T Beautiful glowming this morning
1/8/2010 7:00 AM 0.03 0.7 0.03 0.5 0.03 light flurries at reporting time
1/9/2010 7:00 AM 0.00 0.0 0.00 T T
1/10/2010 7:00 AM 0.00 0.0 0.00 T T
1/11/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
1/12/2010 7:00 AM 0.00 0.0 0.00 T T
1/13/2010 7:00 AM 0.00 0.0 0.00 T T spectacular glowming this morning
1/14/2010 7:00 AM 0.00 0.0 M M M
1/15/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
1/16/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
1/17/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
1/18/2010 7:00 AM 0.49 0.0 0.00 0.0 0.00 (0.00" report is erroneous, as rain fell during previous day. Observer corrected report. Also set snow on ground melted core from 0.49" to 0.00". Edited 1/18 by MG)
1/19/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
1/20/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
1/21/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
1/22/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
1/23/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
1/24/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
1/25/2010 7:00 AM 0.34 0.0 0.00 0.0 0.00 10AM-light fog...11AM heavier,visibility only.25 miles...1PM light drizzle with heavier fog,50ft. visibility...2PM lighter fog, no drizzle just mist...3PM slow light rain..3:30PM drizzle...7PM mist...poor visibility,50ft...10PM light,steady rain...5AM steady rain fromE/SE...6:15 power returned, wind gusts, steady rain...6:30AM heavier rain with wind gusts...7AM driving rain from E/SE heavy gusts.
1/26/2010 7:00 AM 1.77 0.0 0.00 0.0 0.00 3:45 PM Rockaway River at Savage Rd. overflooded banks.
1/27/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
1/28/2010 7:00 AM T T T T T
1/29/2010 7:00 AM 0.07 M 0.07 T 0.07 (Set "T" new snow depth to "NA", as strongly believe that accumulating snow occurred and melted. Edited 1/29 by MG)
1/30/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
1/31/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
2/1/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
2/2/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
2/3/2010 7:00 AM 0.22 2.9 0.22 3.0 0.22 flurries began 8:45 PM/light snow 9:30/ended before 5:10Am
2/4/2010 7:00 AM 0.00 0.0 0.00 1.5 0.19
2/5/2010 7:00 AM 0.00 0.0 0.00 T T
2/6/2010 7:00 AM T T T T T
2/7/2010 7:00 AM T T T T T wind gusts
2/8/2010 7:00 AM 0.00 0.0 0.00 T T
2/9/2010 7:00 AM 0.00 0.0 0.00 T T
2/10/2010 7:00 AM 0.17 1.4 0.17 1.5 0.17 8:45PM-flurries/9PM light snow/9:30 stopped/at the 7AM reading:steady snowfall/wind gusts picking up/visibility diminishing to less than .5 miles
2/11/2010 7:00 AM 0.96 8.5 0.79 10.0 0.96 9AM-snowing with heavy wind gusts from NNE,large snowflakes/ 10AM-lighter snow, small compact snowflakes/ 10:30 AM- heavier snow fall,drifting snow,winds NNE./ 4:30PM-8.8"/.72 melted value (measured in 6 locations and averaged),gusting winds/ drifting snow/7PM- lighter snowfall, visibility @3 miles/9PM- snowing stopped, visibility @15 miles. Top of Empire State Building still not visible.Wind gusts. Lots of snow drifting.
2/12/2010 7:00 AM 0.00 0.0 0.00 7.5 0.98 Top layer of snow very crusty.
2/13/2010 7:00 AM 0.00 0.0 0.00 6.5 0.80
2/14/2010 7:00 AM 0.00 0.0 0.00 6.0 0.85 gusty winds/ drifting snow
2/15/2010 7:00 AM 0.00 0.0 0.00 5.5 0.90
2/16/2010 7:00 AM 0.11 1.5 0.11 5.5 1.05 7:15PM-light drizzle beginning/10PM-light icing/11:45PM-light snow
2/17/2010 7:00 AM 0.20 2.8 0.20 6.0 0.92 7AM-light icing/8:15AM-light snow/9AM-lg. flakes,steady snowfall/1oAM-heavy snowfall,lg.flakes/ 12- sm.flakes,light/1PM no precip./2PM-heavy snowfall/3PM- gusting winds, gusting snow, heavy/4PM- precip. stop/5:30 occasional ice-drizzle mix. Driveway glazing over.. very slippery.
2/18/2010 7:00 AM 0.00 0.0 0.00 6.0 0.97
2/19/2010 7:00 AM 0.00 0.0 0.00 4.5 0.98 Blustery winds 5PM to 4AM
2/20/2010 7:00 AM 0.00 0.0 0.00 3.5 0.95 blustery winds over last 24 hrs.
2/21/2010 7:00 AM 0.00 0.0 0.00 2.0 0.78
2/22/2010 7:00 AM 0.00 0.0 0.00 1.5 0.59
2/23/2010 7:00 AM 0.27 2.3 0.27 4.5 0.46 4:45PM intermittant falling ice/7PM drizzle/9PM snow/10PM heavy snowfall,large flakes/11PM snowing, about 2 "/4AM ice/7AM light drizzle
2/24/2010 7:00 AM 0.33 1.0 0.33 1.5 0.57 7AM-light drizzle/9AM-moderate ice/rain mix/10AM rain/7PM heavy snow/9PM heavy,large flakes/ 9:35 stopped
2/25/2010 7:00 AM 0.24 1.0 0.24 3.0 0.77 5:45AM flurries/ 7AM small flakes,heavy precip.
2/26/2010 10:00 AM 1.71 10.0 1.71 17.5 3.03 heavy drifting-8 to 26"/6 readings taken. These numbers are the averages... light snow still on going./7" below surface 3" layer of icy snow.
2/27/2010 7:00 AM 0.91 3.2 0.91 15.5 1.85 7AM-steady light snow,lighter winds,heavy drifting in open areas. Town plow got stuck in 4-4.5 ft drift and other town employees came to the rescue with industrial snow blowers and chains/10AM- Heavier winds, ambulance got stuck in drifts, neighbors with snowblowers helped free vehicle./1:30PM-steady snow falling,very small flakes,2" fell since10AM./2:30PM snow ending, partially sunny/6PM- light flurries, very small flakes.7:30 PM seems like storm has passed, occasional flurries. 6:30 AM dusting overnight.Snow compacting at reading, heavy.
2/28/2010 7:00 AM T T T 10.5 1.75 1:30 PM-snow shower, no accumulation/snowing at 7AM reading, dusting on ground.
3/1/2010 7:00 AM 0.00 0.0 0.00 10.0 1.77
3/2/2010 7:00 AM 0.00 0.0 0.00 9.5 2.02 occasional blustery winds
3/3/2010 7:00 AM 0.06 0.5 0.06 6.5 1.73 snowing at 7AM
3/4/2010 7:00 AM 0.09 0.0 0.00 6.0 2.12
3/5/2010 7:00 AM 0.00 0.0 0.00 4.0 1.51
3/6/2010 7:00 AM 0.00 0.0 0.00 4.5 1.61
3/7/2010 7:00 AM 0.00 0.0 M 3.5 1.27
3/8/2010 7:00 AM 0.00 0.0 0.00 T 0.27
3/9/2010 7:00 AM 0.00 0.0 0.00 T 0.02
3/10/2010 7:00 AM 0.00 0.0 0.00 T T
3/11/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/12/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/13/2010 7:00 AM 0.76 0.0 0.00 0.0 0.00 blustery winds/ small branches on ground
3/14/2010 7:00 AM 2.46 0.0 0.00 0.0 0.00 heavy winds and rain from E.- Wind gust opened 4" hot tub cover with 30# chair on it./Sm.to med.branch debris. Winds died down @midnight as did heavy rain/ 1AM calm,drizzle.Rockaway River spilling banks. Fields by river flooded.
3/15/2010 7:00 AM 0.35 0.0 0.00 0.0 0.00 8:30 AM thunder - on & off light rain/drizzle- extensive flooding of Rockaway river in Denville/part of Rte.46 single lane due to flooding/ parts of downtown area blocked off due to flooding/ basements flooded.
3/16/2010 7:00 AM 0.17 0.0 0.00 0.0 0.00 intermittend drizzle/light rain showers during the day- Rockaway River subsiding in Denville but still flooded fields near the river
3/18/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/19/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/20/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/21/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/22/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/23/2010 7:00 AM 2.04 0.0 0.00 0.0 0.00 6:46 PM thunder & lightning
3/24/2010 7:00 AM 0.04 0.0 0.00 0.0 0.00 blustery winds began 7:15 PM..lasted through the night
3/25/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/26/2010 7:00 AM 0.24 0.0 0.00 0.0 0.00
3/27/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/28/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/29/2010 7:00 AM 1.24 M M M M 8:30 PM misting/ 9:30 rain/ 12 AM heavy rain with gusting winds/ 6:45 AM light rain
3/30/2010 7:00 AM 0.15 M M M M Light drizzle all day. 3PM Denbrook Creek, Rockaway River by Gardner Field overflooded banks. 7PM heavy fog. Occasional blustery winds over night. Light drizzle over night.
3/31/2010 7:00 AM 1.81 M M M M 3:30 PM Rockaway River in Denville by Gardner Field overflowing banks. Not as bad as 2.5 weeks ago.
4/1/2010 7:00 AM 0.00 0.0 M M M
4/2/2010 7:00 AM 0.00 0.0 M M M
4/3/2010 7:00 AM 0.00 0.0 M M M
4/4/2010 7:00 AM 0.00 0.0 M M M
4/5/2010 7:00 AM 0.00 0.0 M M M
4/6/2010 7:00 AM 0.00 0.0 M M M
4/7/2010 7:00 AM 0.00 0.0 M M M
4/8/2010 7:00 AM 0.00 0.0 M M M very hazzy/ air quality questionable
4/9/2010 7:00 AM 0.35 M M M M
4/10/2010 7:00 AM T M M M M blustery winds overnight
4/11/2010 7:00 AM 0.00 0.0 M M M
4/12/2010 7:00 AM 0.00 0.0 M M M 9PM sprinkles- no accumulation
4/13/2010 7:00 AM 0.00 0.0 M M M
4/14/2010 7:00 AM 0.00 0.0 M M M at 7AM- fog lifting over river and lakes
4/15/2010 7:00 AM 0.00 0.0 M M M
4/16/2010 7:00 AM 0.00 0.0 M M M 6AM drizzle
4/17/2010 7:00 AM 0.41 M M M M
4/18/2010 7:00 AM T M M M M occasional sprinkles
4/19/2010 7:00 AM 0.00 0.0 M M M
4/20/2010 7:00 AM 0.00 0.0 M M M
4/21/2010 7:00 AM 0.00 0.0 M M M
4/22/2010 7:00 AM 0.00 0.0 M M M
4/23/2010 7:00 AM 0.07 M M M M 2 rain showers, each lasting less than 10 minutes.
4/24/2010 7:00 AM 0.00 0.0 M M M
4/25/2010 7:00 AM 1.22 M M M M
4/26/2010 7:00 AM 0.90 M M M M 7AM light steady rain/ 11AM rain stopped/4PM foggy,misty all day/9 PM rain began again/ 10:15 PM thunder & lightning, heavier rain/ precipitation ended before 6AM.
4/27/2010 7:00 AM 0.72 M M M M
4/28/2010 7:00 AM 0.02 M M M M
4/29/2010 7:00 AM 0.00 0.0 M M M
4/30/2010 7:00 AM 0.00 0.0 M M M
5/1/2010 7:00 AM 0.00 0.0 M M M
5/2/2010 7:00 AM 0.00 0.0 M M M
5/3/2010 7:00 AM 1.39 M M M M 5-7PM blustery winds. 11PM rain beginning. Ends before 5AM. 6AM steady rain.
5/4/2010 7:00 AM 0.15 M M M M
5/5/2010 7:00 AM 0.03 M M M M
5/6/2010 7:00 AM 0.00 0.0 M M M
5/7/2010 7:00 AM 0.00 0.0 M M M 9:40 AM passing thunder storm- no rain accumulation, lasted less than 5 Minutes, 1 roll of thunder, raindrops less than 2 minutes / gusty winds into the night.
5/8/2010 7:00 AM 0.00 0.0 M M M
5/9/2010 7:00 AM 0.10 M M M M 9-9:12 AM passing shower/ 9:25 moderate rain shower/ 9:40 rain ended, rolling thunder/ noon blustery winds begin/ 12;45 HEAVY WINDS, white caps on lake/ 5PM power failure,heavy steady winds/6PM winds dying down/6:20 PM heavy winds,gusting/9:10 PM power restored, still blustery winds, heavy gusts/4 AM blustery winds/7AM blustery gusts. Lots of small to medium branches and whole/ eaten leaves down.The catipillars are very evident.
5/10/2010 7:00 AM T M M M M Blustery winds all day. Weatherfront moved off during night.
5/11/2010 7:00 AM 0.00 0.0 M M M
5/12/2010 7:00 AM 0.41 M M M M
5/13/2010 7:00 AM 0.12 M M M M
5/14/2010 7:00 AM 0.00 0.0 M M M
5/15/2010 7:00 AM 0.05 M M M M 10-10:15 AM passing shower/ 5:10PM passing shower with roll of thunder
5/16/2010 7:00 AM 0.00 0.0 M M M
5/17/2010 7:00 AM 0.00 0.0 M M M
5/18/2010 7:00 AM 0.00 0.0 M M M
5/19/2010 7:00 AM 1.03 M M M M
5/20/2010 7:00 AM 0.03 M M M M
5/21/2010 7:00 AM 0.00 0.0 M M M
5/22/2010 7:00 AM 0.00 0.0 M M M
5/23/2010 7:00 AM 0.26 M M M M
5/24/2010 7:00 AM T M M M M 7:00 AM very dense fog- beginning of 24 hr. period/ heavy fog,ending period.
5/25/2010 7:00 AM T M M M M heavy fog beginning of reported time/ heavier fog ending reported period
5/26/2010 7:00 AM 0.00 0.0 M M M
5/27/2010 7:00 AM 0.00 0.0 M M M
5/28/2010 7:00 AM 0.15 M M M M 4PM, rplling thunder/5PM, drizzle/ 6:30 PM, heavy,steady rain with thunder and lightening/7PM gusts of wind/ 8:30PM precip. ended
5/29/2010 7:00 AM T M M M M
5/30/2010 7:00 AM 0.00 0.0 M M M 6:45PM passing shower - not even trace
5/31/2010 7:00 AM 0.00 0.0 M M M
6/1/2010 7:00 AM 0.00 0.0 M M M 6PM passing shower..few drops/8PM hase setting in/7AM dense fog beginning to burn off.
6/2/2010 7:00 AM 0.21 M M M M Intermittent rain showers began 1:30PM/ 4:35PM thunder and lightening with down pour lasting -10 Minutes/5:30PM sunny, clear skies.
6/3/2010 7:00 AM T M M M M
6/4/2010 7:00 AM 0.02 M M M M 9:45 PM passing shower
6/5/2010 7:00 AM 0.00 0.0 M M M
6/6/2010 7:00 AM 0.00 0.0 M M M
6/7/2010 7:00 AM 0.14 M M M M blustery winds all day
6/8/2010 7:00 AM T M M M M
6/9/2010 7:00 AM 0.00 0.0 M M M
6/10/2010 7:00 AM 0.55 M M M M 12:00 light drizzle/ 3 PM light rain/8PM- wind picking up, rain heavier from the SSW./7AM heavy fog, no precip. B. pressure dropping (28.94mb.)
6/11/2010 7:00 AM 0.03 M M M M passing shower at 1:15 PM
6/12/2010 7:00 AM 0.00 0.0 M M M 7AM-overcast, high humidity (89%)
6/13/2010 7:00 AM 0.00 0.0 M M M
6/14/2010 7:00 AM 1.85 M M M M 10PM dense fog /7AM still drizzling, dense fog.
6/15/2010 7:00 AM 0.05 M M M M
6/16/2010 7:00 AM T M M M M 6:30 AM drizzle began
6/17/2010 7:00 AM 0.35 M M M M 11:45PM rolling thunder immediatly followed by heavy rain, lasted 25 minutes./1:00AM- drizzle.
6/18/2010 7:00 AM 0.01 M M M M
6/19/2010 7:00 AM 0.00 0.0 M M M
6/20/2010 7:00 AM T M M M M
6/21/2010 7:00 AM 0.00 0.0 M M M
6/22/2010 7:00 AM 0.00 0.0 M M M
6/23/2010 7:00 AM 0.24 M M M M 5:45PM- wind gusts and rain drops/ 6:10PM steady wind,E-SE, occasional rain drops/ 6:45PM light rain/ 7:10 steady, hard rain/ 7:28PM thunder / 7:35 very light rain.
6/24/2010 7:00 AM 0.01 M M M M
6/25/2010 7:00 AM 0.10 M M M M
6/26/2010 7:00 AM 0.00 0.0 M M M
6/27/2010 7:00 AM 0.00 0.0 M M M
6/28/2010 7:00 AM 0.00 0.0 M M M hazy,hot,humid
6/29/2010 7:00 AM 0.74 M M M M heavy downpour-2:08-2:29 (.50 " rain in gage)/ 2:25 thunder / 2:30 sunny with drizzle/ 2:35 precip stopped completely ?2:45 limited visibility / 3:45 intermittent showers to 5PM then sunny (.24 precip. in gage)
6/30/2010 7:00 AM 0.00 0.0 M M M
7/1/2010 7:00 AM 0.00 0.0 M M M
7/2/2010 7:00 AM 0.00 0.0 M M M
7/3/2010 7:00 AM 0.00 0.0 M M M
7/4/2010 7:00 AM 0.00 0.0 M M M Choke cherry trees dropping leaves.Grass in sunny spots brown.
7/5/2010 7:00 AM 0.00 0.0 M M M HHH 76 F. at 7 AM
7/6/2010 7:00 AM 0.00 0.0 M M M HHH 7AM- 75.6 degrees F., 74% humidity
7/7/2010 7:00 AM 0.00 0.0 M M M
7/8/2010 7:00 AM 0.00 0.0 M M M 4-7PM slight breeze with gusts, even had to lower umbrella. Limited visibility /7AM- 75 F. 81% humidity. Denville impliments water restrictions via emergency alert system.HHH.
7/9/2010 7:00 AM 0.05 M M M M 11:15 AM passing rain cloud..drizzle, no accumulation/12:45 passing rain cloud..5 minutes of moderate rain.. only hit ground in open areas./ 4:30 PM windy, temp dropping.Haze finally moved off./ 7AM hazy and humidwith limited visibility.
7/10/2010 7:00 AM 0.11 M M M M 7AM-hazy, limited visibility / 12:30 to 1 PM rain-.10"/10:15 to 10:30 PM- light rain/ 7AM- moderate visibility, overcast. More green, dried out leaves have fallen from trees, mostly choke cherries. Mamossa trees stressed. Leaves turned yellow in 2 days and are shedding rapidly.
7/11/2010 7:00 AM 1.11 M M M M 8:10Am, rolling thunder/ Precipitation from 8:25AM to 12:15PM/ The duration of the hard rain surprised me.
7/12/2010 7:00 AM 0.00 0.0 M M M
7/13/2010 7:00 AM 0.10 M M M M 5PM overcast,winds SSW/ 8:45PM, gusts of wind/ 9PM passing shower-.03" / 11PM to 1AM, light drizzle-.07"
7/14/2010 7:00 AM 1.61 M M M M Day began as overcast. By 9AM light wind , by 11:30AM drizzle which turned to steady rain from the East by 11:50AM. Rolling thunder began at noon.12:10PM winds picked up. 12:15PM moderate rain. 12:45PM light rain. 1:35PM precip stopped. Temperature still moderatly comfortable despite the high humidity. 3:30PM precip began. 3:36PM downpour with rolling, sustained thunder. 3:50PM precip slowing down to light rain. Temp rising. 5PM precip stopped. total day accumulation 1.16" More precip began before 5AM and was heavy at 5AM. .45" accumulation overnight.
7/15/2010 7:00 AM 1.07 M M M M 7AM light drizzle/ 9AM steady rain/ noon light drizzle/ 3:30PM heavy rain/ 4:30PM drizzle/ 5:10PM stopped- 1.06 total/ 5:30PM sunlight from the West,overcast to the East, limited visibility/ 7AM .01 precipitation
7/16/2010 7:00 AM 0.00 0.0 M M M HHH/ limited visibility
7/17/2010 7:00 AM 0.00 0.0 M M M
7/18/2010 7:00 AM 0.00 0.0 M M M acorns dropping early
7/19/2010 7:00 AM 0.00 0.0 M M M acorns beginning to fall
8/10/2010 7:00 AM 0.00 0.0 M M M HHH - acorns falling
8/11/2010 7:00 AM 0.02 M M M M passing rain cloud in the late afternoon
8/12/2010 7:00 AM 0.00 0.0 M M M wind picked up about 4 AM / slow steady breeze / overcast at 7AM
8/13/2010 7:00 AM 0.09 M M M M
8/14/2010 7:00 AM T M M M M
8/15/2010 7:00 AM 0.00 0.0 M M M
8/16/2010 7:00 AM 0.43 M M M M
8/17/2010 7:00 AM 0.02 M M M M acorns dropping rapidly for about a week now/ some trees have leaves turning yellow and dropping early
8/18/2010 7:00 AM 0.00 0.0 M M M
8/19/2010 7:00 AM 0.00 0.0 M M M
8/20/2010 7:00 AM 0.00 0.0 M M M
8/21/2010 9:00 AM 0.00 0.0 M M M
8/22/2010 7:30 AM 0.10 M M M M fogged in
8/23/2010 7:00 AM 2.42 M M M M 2.01 inches at 9PM and .41 more overnight
8/24/2010 7:00 AM 0.53 M M M M
8/27/2010 7:00 AM 0.02 M M M M
8/28/2010 7:00 AM T M M M M
8/29/2010 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 7:00 AM 0.00 0.0 M M M
9/2/2010 7:00 AM 0.00 0.0 M M M
9/3/2010 7:00 AM 0.00 0.0 M M M
9/4/2010 7:00 AM 0.00 0.0 M M M
9/5/2010 7:00 AM 0.00 0.0 M M M
9/6/2010 7:00 AM 0.00 0.0 M M M
9/7/2010 7:00 AM 0.00 0.0 M M M
9/8/2010 7:00 AM T 0.0 M M M rain drops from 6-6:45AM but no accumulation (Edited to change 0.00" to "T" based on above info. Edited 9/9 by MG).
9/9/2010 7:00 AM 0.00 0.0 M M M
9/10/2010 7:00 AM 0.00 0.0 M M M
9/11/2010 7:00 AM 0.00 0.0 M M M
9/12/2010 7:00 AM 0.00 0.0 M M M
9/13/2010 7:00 AM 0.20 M M M M
9/14/2010 7:00 AM 0.97 M M M M System began with heavy winds, thunder and lightening at 5:15 PM./ 5:20PM downpour with pea size hail.Heavy rain with hail lasted about 25 minutes. No apparent crop damage here.
9/15/2010 7:00 AM T M M M M
9/16/2010 7:00 AM 0.00 0.0 M M M
9/17/2010 7:00 AM 0.55 M M M M Still drizzling lightly at 7 AM.
9/18/2010 7:00 AM 0.01 M M M M
9/19/2010 7:00 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 wind picked up from 9-11PM.
9/23/2010 7:00 AM 0.22 M M M M
9/24/2010 7:00 AM 0.00 0.0 M M M 7AM very dense fog, visibility less than 25 ft.
9/25/2010 7:00 AM 0.00 0.0 M M M Leaves are turning colors early. Are withering on the trees and falling off. Squirrels are dependent on bird bath for moisture.
9/26/2010 7:00 AM 0.00 0.0 M M M
9/27/2010 7:00 AM 0.00 0.0 M M M 4 PM very localized light precip., no accumulation.7 PM same. Very light precip. at 7AM reading, still no accumulation.
9/28/2010 7:00 AM 0.72 M M M M
9/29/2010 7:00 AM 0.03 M M M M
9/30/2010 7:00 AM 0.63 M M M M Steady bands of rain from the south/south-east.



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
7/20/2010 8/09/2010 7:00 AM 21 1.03 M M Start date of multi-day report moved forward 4 days to 7/20 in order to remove conflict with single-day reports on 7/16-7/19. Edited by Steph K on 4/19/11
8/25/2010 8/26/2010 7:00 AM 2 0.64 M M Start date of multi-day report moved forward 1 day to 8/25 in order to remove conflict with single-day report on 8/24. Edited by Steph K on 4/19/11



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
10/11/2009 7:40 PM 3/8" 1/4" Pea Size 1/4" Pea Size Mixed|White Ice 20 3min minor leaf damage True Same time as rain After smaller hail