Station Overview Station Location
Station Number NJ-MS-50 Latitude 40.77978
Station Name Mendham Twp 0.5 ESE Longitude -74.5854
County Morris Elevation (ft) 525



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 17 4.45 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Nov 17 4.08 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Dec 17 4.12 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Jan 18 3.64 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Feb 18 2.88 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
March 18 4.16 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
April 18 4.38 5.65 30 5.65 30 0.00 0 0 14 1 0.0 0 0
May 18 4.65 4.73 31 3.92 27 0.81 4 2 17 1 0.0 0 0
June 18 4.70 3.11 30 2.73 26 0.38 4 2 11 2 0.0 0 0
July 18 4.93 9.58 31 8.25 29 1.33 2 1 13 0 0.0 0 0
Aug 18 4.29 8.33 31 6.66 27 1.67 4 2 13 0 0.0 0 0
Sept 18 4.65 7.08 30 6.80 26 0.28 4 2 18 0 0.0 0 0
Water Year Totals: 50.93" 38.48" 183 days 34.01" 165 4.47" 18 days 9 86 days 4 days 0.0" 0 days 0 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
10/1/2017
10/2/2017
10/3/2017
10/4/2017
10/5/2017
10/6/2017
10/7/2017
10/8/2017
10/9/2017
10/10/2017
10/11/2017
10/12/2017
10/13/2017
10/14/2017
10/15/2017
10/16/2017
10/17/2017
10/18/2017
10/19/2017
10/20/2017
10/21/2017
10/22/2017
10/23/2017
10/24/2017
10/25/2017
10/26/2017
10/27/2017
10/28/2017
10/29/2017
10/30/2017
10/31/2017
11/1/2017
11/2/2017
11/3/2017
11/4/2017
11/5/2017
11/6/2017
11/7/2017
11/8/2017
11/9/2017
11/10/2017
11/11/2017
11/12/2017
11/13/2017
11/14/2017
11/15/2017
11/16/2017
11/17/2017
11/18/2017
11/19/2017
11/20/2017
11/21/2017
11/22/2017
11/23/2017
11/24/2017
11/25/2017
11/26/2017
11/27/2017
11/28/2017
11/29/2017
11/30/2017
12/1/2017
12/2/2017
12/3/2017
12/4/2017
12/5/2017
12/6/2017
12/7/2017
12/8/2017
12/9/2017
12/10/2017
12/11/2017
12/12/2017
12/13/2017
12/14/2017
12/15/2017
12/16/2017
12/17/2017
12/18/2017
12/19/2017
12/20/2017
12/21/2017
12/22/2017
12/23/2017
12/24/2017
12/25/2017
12/26/2017
12/27/2017
12/28/2017
12/29/2017
12/30/2017
12/31/2017
Day of YearDaily PrcpMultiday Prcp
1/1/2018
1/2/2018
1/3/2018
1/4/2018
1/5/2018
1/6/2018
1/7/2018
1/8/2018
1/9/2018
1/10/2018
1/11/2018
1/12/2018
1/13/2018
1/14/2018
1/15/2018
1/16/2018
1/17/2018
1/18/2018
1/19/2018
1/20/2018
1/21/2018
1/22/2018
1/23/2018
1/24/2018
1/25/2018
1/26/2018
1/27/2018
1/28/2018
1/29/2018
1/30/2018
1/31/2018
2/1/2018
2/2/2018
2/3/2018
2/4/2018
2/5/2018
2/6/2018
2/7/2018
2/8/2018
2/9/2018
2/10/2018
2/11/2018
2/12/2018
2/13/2018
2/14/2018
2/15/2018
2/16/2018
2/17/2018
2/18/2018
2/19/2018
2/20/2018
2/21/2018
2/22/2018
2/23/2018
2/24/2018
2/25/2018
2/26/2018
2/27/2018
2/28/2018
3/1/2018
3/2/2018
3/3/2018
3/4/2018
3/5/2018
3/6/2018
3/7/2018
3/8/2018
3/9/2018
3/10/2018
3/11/2018
3/12/2018
3/13/2018
3/14/2018
3/15/2018
3/16/2018
3/17/2018
3/18/2018
3/19/2018
3/20/2018
3/21/2018
3/22/2018
3/23/2018
3/24/2018
3/25/2018
3/26/2018
3/27/2018
3/28/2018
3/29/2018
3/30/2018
3/31/2018
Day of YearDaily PrcpMultiday Prcp
4/1/2018 0.00
4/2/2018 0.50
4/3/2018 0.00
4/4/2018 0.43
4/5/2018 0.06
4/6/2018 0.01
4/7/2018 0.05
4/8/2018 0.00
4/9/2018 0.00
4/10/2018 0.04
4/11/2018 0.00
4/12/2018 0.00
4/13/2018 0.00
4/14/2018 0.00
4/15/2018 0.00
4/16/2018 0.96
4/17/2018 1.73
4/18/2018 0.00
4/19/2018 T
4/20/2018 0.30
4/21/2018 0.00
4/22/2018 0.00
4/23/2018 0.00
4/24/2018 0.00
4/25/2018 0.70
4/26/2018 0.62
4/27/2018 0.00
4/28/2018 0.10
4/29/2018 0.14
4/30/2018 0.01
5/1/2018 0.02
5/2/2018 0.00
5/3/2018 0.00
5/4/2018 0.05
5/5/2018 T
5/6/2018 **
5/7/2018 0.26
5/8/2018 0.00
5/9/2018 0.00
5/10/2018 0.00
5/11/2018 0.36
5/12/2018 0.15
5/13/2018 0.20
5/14/2018 0.40
5/15/2018 0.00
5/16/2018 0.52
5/17/2018 0.52
5/18/2018 0.09
5/19/2018 0.01
5/20/2018 0.98
5/21/2018 0.07
5/22/2018 0.01
5/23/2018 0.50
5/24/2018 0.01
5/25/2018 0.00
5/26/2018 0.00
5/27/2018 **
5/28/2018 0.55
5/29/2018 0.01
5/30/2018 0.00
5/31/2018 0.02
6/1/2018 **
6/2/2018 0.36
6/3/2018 0.01
6/4/2018 0.65
6/5/2018 0.01
6/6/2018 T
6/7/2018 0.00
6/8/2018 0.00
6/9/2018 0.00
6/10/2018 T
6/11/2018 0.36
6/12/2018 0.00
6/13/2018 0.00
6/14/2018 0.19
6/15/2018 0.00
6/16/2018 0.00
6/17/2018 0.00
6/18/2018 0.00
6/19/2018 0.41
6/20/2018 0.00
6/21/2018 0.27
6/22/2018 **
6/23/2018 0.02
6/24/2018 0.11
6/25/2018 0.02
6/26/2018 0.00
6/27/2018 0.00
6/28/2018 0.39
6/29/2018 0.31
6/30/2018 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2018 0.00
7/2/2018 0.00
7/3/2018 0.00
7/4/2018 0.00
7/5/2018 0.00
7/6/2018 0.41
7/7/2018 0.03
7/8/2018 0.00
7/9/2018 0.00
7/10/2018 0.00
7/11/2018 0.00
7/12/2018 0.00
7/13/2018 0.00
7/14/2018 0.00
7/15/2018 1.03
7/16/2018 0.07
7/17/2018 0.01
7/18/2018 1.77
7/19/2018 0.00
7/20/2018 0.00
7/21/2018 0.00
7/22/2018 1.10
7/23/2018 1.63
7/24/2018 0.51
7/25/2018 0.65
7/26/2018 0.35
7/27/2018 **
7/28/2018 0.68 1.33
7/29/2018 0.01
7/30/2018 0.00
7/31/2018
8/1/2018 0.05
8/2/2018 0.16
8/3/2018 0.82
8/4/2018 1.48
8/5/2018 0.82
8/6/2018 0.00
8/7/2018 0.00
8/8/2018 0.02
8/9/2018 0.28
8/10/2018 0.00
8/11/2018 **
8/12/2018 1.35
8/13/2018 **
8/14/2018 0.32
8/15/2018 0.39
8/16/2018 0.00
8/17/2018 0.00
8/18/2018 1.25
8/19/2018 0.28
8/20/2018 0.03
8/21/2018 0.00
8/22/2018 1.05
8/23/2018 0.03
8/24/2018 0.00
8/25/2018 0.00
8/26/2018 0.00
8/27/2018 0.00
8/28/2018 0.00
8/29/2018 0.00
8/30/2018 0.00
8/31/2018 0.00
9/1/2018 0.11
9/2/2018 0.00
9/3/2018 0.00
9/4/2018 0.00
9/5/2018 0.00
9/6/2018 0.00
9/7/2018 0.09
9/8/2018 **
9/9/2018 0.27
9/10/2018 1.05
9/11/2018 0.46
9/12/2018 0.02
9/13/2018 0.55
9/14/2018 0.05
9/15/2018 0.02
9/16/2018 0.00
9/17/2018 0.00
9/18/2018 0.65
9/19/2018 0.16
9/20/2018 0.04
9/21/2018 0.02
9/22/2018 0.01
9/23/2018 **
9/24/2018 0.01
9/25/2018 0.18
9/26/2018 1.67
9/27/2018 0.39
9/28/2018 1.28
9/29/2018 0.05
9/30/2018 0.00



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
4/1/2018 7:22 AM 0.00 0.0 M M M (MG note: changed 0.30" precip to 0.00", as confirmed by observer. OST 4/30/2018 10:59 AM)
4/2/2018 7:10 AM 0.50 M M M M
4/3/2018 7:00 AM 0.00 0.0 M M M
4/4/2018 7:19 AM 0.43 M M M M
4/5/2018 7:15 AM 0.06 M M M M
4/6/2018 7:18 AM 0.01 M M M M
4/7/2018 7:23 AM 0.05 M M M M
4/8/2018 7:00 AM 0.00 0.0 M M M
4/9/2018 7:00 AM 0.00 0.0 M M M
4/10/2018 7:13 AM 0.04 M M M M
4/11/2018 7:00 AM 0.00 0.0 M M M
4/12/2018 7:00 AM 0.00 0.0 M M M
4/13/2018 7:00 AM 0.00 0.0 M M M
4/14/2018 7:00 AM 0.00 0.0 M M M
4/15/2018 7:00 AM 0.00 0.0 M M M
4/16/2018 6:27 AM 0.96 M M M M
4/17/2018 6:15 AM 1.73 M M M M
4/18/2018 7:00 AM 0.00 0.0 M M M
4/19/2018 7:12 AM T M M M M
4/20/2018 7:22 AM 0.30 M M M M
4/21/2018 7:00 AM 0.00 0.0 M M M
4/22/2018 7:00 AM 0.00 0.0 M M M
4/23/2018 7:00 AM 0.00 0.0 M M M
4/24/2018 6:45 AM 0.00 0.0 M M M
4/25/2018 7:00 AM 0.70 M M M M
4/26/2018 6:30 AM 0.62 M M M M
4/27/2018 7:00 AM 0.00 0.0 M M M
4/28/2018 6:20 AM 0.10 M M M M Persistent fog...1/4 to 1/2 mile visibility at 500 ft elevation.
4/29/2018 6:20 AM 0.14 M M M M
4/30/2018 6:28 AM 0.01 M M M M
5/1/2018 6:16 AM 0.02 M M M M
5/2/2018 7:00 AM 0.00 0.0 M M M
5/3/2018 7:00 AM 0.00 0.0 M M M
5/4/2018 6:52 AM 0.05 M M M M Total 'Catch' was from two passing storm cells. First occurred at 031830 May leaving .02in. while second occurred around 032130 May leaving 03in.
5/5/2018 8:00 AM T M M M M
5/8/2018 7:00 AM 0.00 0.0 M M M
5/9/2018 7:00 AM 0.00 0.0 M M M
5/10/2018 7:00 AM 0.00 0.0 M M M
5/11/2018 8:10 AM 0.36 M M M M
5/12/2018 5:45 AM 0.15 M M M M
5/13/2018 5:46 AM 0.20 M M M M
5/14/2018 7:00 AM 0.40 M M M M
5/15/2018 5:46 AM 0.00 0.0 M M M Local temp at 65°F; fog persists with approx 1/2-3/4 mile visibility at 520ft elevation.
5/16/2018 6:10 AM 0.52 M M M M
5/17/2018 5:58 AM 0.52 M M M M
5/18/2018 7:00 AM 0.09 M M M M
5/19/2018 5:00 AM 0.01 M M M M
5/20/2018 6:44 AM 0.98 M M M M
5/21/2018 6:19 AM 0.07 M M M M
5/22/2018 5:23 AM 0.01 M M M M I am surprised a measurable amount of dew accumulated since I know of no overnight shower activity.
5/23/2018 5:32 AM 0.50 M M M M
5/24/2018 5:30 AM 0.01 M M M M
5/25/2018 7:00 AM 0.00 0.0 M M M
5/26/2018 7:00 AM 0.00 0.0 M M M
5/29/2018 5:23 AM 0.01 M M M M Significant dew accumulation
5/30/2018 7:00 AM 0.00 0.0 M M M
5/31/2018 6:00 AM 0.02 M M M M Light rain in progress at this time.
6/3/2018 6:18 AM 0.01 M M M M
6/4/2018 11:00 AM 0.65 0.0 M M M
6/5/2018 5:45 AM 0.01 M M M M
6/6/2018 7:00 AM T M M M M
6/7/2018 7:30 AM 0.00 0.0 M M M
6/8/2018 5:50 AM 0.00 0.0 M M M
6/9/2018 7:00 AM 0.00 0.0 M M M
6/10/2018 5:55 AM T M M M M
6/11/2018 5:30 AM 0.36 M M M M
6/12/2018 7:00 AM 0.00 0.0 M M M
6/13/2018 6:18 AM 0.00 0.0 M M M Drizzle showers began at 6:15am.
6/14/2018 6:45 AM 0.19 M M M M
6/15/2018 7:00 AM 0.00 0.0 M M M
6/16/2018 7:00 AM 0.00 0.0 M M M
6/17/2018 7:00 AM 0.00 0.0 M M M
6/18/2018 6:30 AM 0.00 0.0 M M M
6/19/2018 7:00 AM 0.41 M M M M
6/20/2018 7:00 AM 0.00 0.0 M M M
6/21/2018 6:00 AM 0.27 M M M M Local rain showers continue at this time.
6/24/2018 6:30 AM 0.11 M M M M Showers continue at this time.
6/25/2018 6:20 AM 0.02 M M M M
6/26/2018 6:30 AM 0.00 0.0 M M M
6/27/2018 7:30 AM 0.00 0.0 M M M
6/28/2018 6:35 AM 0.39 M M M M An additional .30in catch by 8:40am
6/29/2018 5:23 AM 0.31 M M M M Catch total is what accumulated before 8:00am 6/28/2018.
6/30/2018 7:00 AM 0.00 0.0 M M M
7/1/2018 6:15 AM 0.00 0.0 M M M
7/2/2018 6:30 AM 0.00 0.0 M M M
7/3/2018 7:00 AM 0.00 0.0 M M M
7/4/2018 7:00 AM 0.00 0.0 M M M
7/5/2018 7:00 AM 0.00 0.0 M M M
7/6/2018 6:00 AM 0.41 M M M M Rainfall occurred between 04:23 and 04:50am.
7/7/2018 7:00 AM 0.03 M M M M
7/8/2018 6:00 AM 0.00 0.0 M M M
7/9/2018 6:15 AM 0.00 0.0 M M M
7/10/2018 6:30 AM 0.00 0.0 M M M
7/11/2018 7:00 AM 0.00 0.0 M M M
7/12/2018 5:50 AM 0.00 0.0 M M M
7/13/2018 6:15 AM 0.00 0.0 M M M
7/14/2018 6:00 AM 0.00 0.0 M M M
7/15/2018 8:30 AM 1.03 M M M M First significant rainfall since 4 and 6 July. Thunderstorm at 4:00am dropped .55in in 20 minutes. Second round thunderstorm between 8:00 to 8:30 am dropped the additional .48in.
7/16/2018 8:30 AM 0.07 M M M M
7/17/2018 5:50 AM 0.01 M M M M
7/18/2018 6:50 AM 1.77 M M M M
7/19/2018 5:40 AM 0.00 0.0 M M M
7/20/2018 6:30 AM 0.00 0.0 M M M
7/21/2018 7:30 AM 0.00 0.0 M M M
7/22/2018 7:00 AM 1.10 M M M M
7/23/2018 7:20 AM 1.63 M M M M
7/24/2018 6:00 AM 0.51 M M M M
7/25/2018 5:50 AM 0.65 M M M M
7/26/2018 6:15 AM 0.35 M M M M
7/28/2018 7:00 AM 0.68 0.0 M M M
7/29/2018 6:00 AM 0.01 M M M M
7/30/2018 6:15 AM 0.00 0.0 M M M
8/1/2018 6:00 AM 0.05 M M M M
8/2/2018 6:25 AM 0.16 M M M M
8/3/2018 6:20 AM 0.82 M M M M
8/4/2018 6:10 AM 1.48 M M M M
8/5/2018 6:30 AM 0.82 M M M M
8/6/2018 6:00 AM 0.00 0.0 M M M
8/7/2018 7:00 AM 0.00 0.0 M M M
8/8/2018 6:30 AM 0.02 M M M M
8/9/2018 6:00 AM 0.28 M M M M
8/10/2018 7:00 AM 0.00 0.0 M M M
8/15/2018 6:10 AM 0.39 M M M M
8/16/2018 6:00 AM 0.00 0.0 M M M
8/17/2018 6:00 AM 0.00 0.0 M M M
8/18/2018 6:30 AM 1.25 M M M M
8/19/2018 6:20 AM 0.28 M M M M
8/20/2018 6:00 AM 0.03 M M M M
8/21/2018 7:00 AM 0.00 0.0 M M M
8/22/2018 6:50 AM 1.05 M M M M
8/23/2018 6:15 AM 0.03 M M M M
8/24/2018 7:00 AM 0.00 0.0 M M M
8/25/2018 7:00 AM 0.00 0.0 M M M
8/26/2018 7:00 AM 0.00 0.0 M M M
8/27/2018 7:00 AM 0.00 0.0 M M M
8/28/2018 7:30 AM 0.00 0.0 M M M
8/29/2018 7:00 AM 0.00 0.0 M M M
8/30/2018 7:00 AM 0.00 0.0 M M M
8/31/2018 7:00 AM 0.00 0.0 M M M
9/1/2018 6:20 AM 0.11 M M M M
9/2/2018 6:30 AM 0.00 0.0 M M M
9/3/2018 6:30 AM 0.00 0.0 M M M
9/4/2018 6:30 AM 0.00 0.0 M M M
9/5/2018 7:00 AM 0.00 0.0 M M M
9/6/2018 6:30 AM 0.00 0.0 M M M
9/7/2018 6:45 AM 0.09 M M M M
9/10/2018 6:10 AM 1.05 M M M M
9/11/2018 7:00 AM 0.46 M M M M
9/12/2018 6:30 AM 0.02 M M M M
9/13/2018 6:30 AM 0.55 M M M M
9/14/2018 7:40 AM 0.05 M M M M
9/15/2018 6:10 AM 0.02 M M M M
9/16/2018 7:00 AM 0.00 0.0 M M M
9/17/2018 7:30 AM 0.00 0.0 M M M
9/18/2018 6:30 AM 0.65 M M M M
9/19/2018 6:20 AM 0.16 M M M M
9/20/2018 6:20 AM 0.04 M M M M
9/21/2018 6:15 AM 0.02 M M M M
9/22/2018 6:40 AM 0.01 M M M M
9/25/2018 6:40 AM 0.18 M M M M
9/26/2018 6:40 AM 1.67 M M M M
9/27/2018 6:55 AM 0.39 M M M M
9/28/2018 6:55 AM 1.28 M M M M
9/29/2018 6:40 AM 0.05 M M M M
9/30/2018 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
5/6/2018 5/07/2018 6:20 AM 2 0.26 M M
5/27/2018 5/28/2018 5:32 AM 2 0.55 M M
6/1/2018 6/02/2018 6:39 AM 2 0.36 M M
6/22/2018 6/23/2018 6:15 AM 2 0.02 M M
7/27/2018 7/28/2018 6:30 AM 2 1.33 M M
8/11/2018 8/12/2018 6:25 AM 2 1.35 M M
8/13/2018 8/14/2018 6:20 AM 2 0.32 M M
9/8/2018 9/09/2018 7:00 AM 2 0.27 M M
9/23/2018 9/24/2018 6:30 AM 2 0.01 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