Station Overview Station Location
Station Number MA-MD-42 Latitude 42.1882
Station Name Holliston 0.8 S Longitude -71.4339
County Middlesex Elevation (ft) 265



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 19 4.32 5.57 31 5.57 31 0.00 0 0 19 1 0.0 0 0
Nov 19 4.45 3.07 30 3.07 30 0.00 0 0 11 2 0.0 0 0
Dec 19 4.34 6.74 31 6.74 31 0.00 0 0 14 0 14.2 4 7
Jan 20 3.80 1.69 31 1.69 31 0.00 0 0 7 3 3.5 1 1
Feb 20 3.54 3.39 29 3.39 29 0.00 0 0 14 1 0.0 0 0
March 20 4.54 3.80 31 3.80 31 0.00 0 0 12 3 0.8 1 0
April 20 4.42 5.62 30 5.62 30 0.00 0 0 14 3 2.5 1 2
May 20 3.74 3.22 31 3.22 31 0.00 0 0 13 4 0.0 0 0
June 20 4.15 3.38 30 3.38 30 0.00 0 0 10 1 0.0 0 0
July 20 3.77 1.87 31 1.63 23 0.24 8 1 9 2 0.0 0 0
Aug 20 3.91 3.66 31 3.66 31 0.00 0 0 10 2 0.0 0 0
Sept 20 3.81 1.84 30 1.84 30 0.00 0 0 6 2 0.0 0 0
Water Year Totals: 48.79" 43.85" 366 days 43.61" 358 0.24" 8 days 1 139 days 24 days 21.0" 7 days 10 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
10/1/2019 0.03
10/2/2019 0.00
10/3/2019 0.29
10/4/2019 0.18
10/5/2019 0.00
10/6/2019 0.00
10/7/2019 0.00
10/8/2019 0.20
10/9/2019 0.02
10/10/2019 0.12
10/11/2019 0.01
10/12/2019 0.22
10/13/2019 0.02
10/14/2019 0.00
10/15/2019 0.00
10/16/2019 0.00
10/17/2019 2.07
10/18/2019 T
10/19/2019 0.00
10/20/2019 0.00
10/21/2019 0.02
10/22/2019 0.00
10/23/2019 0.65
10/24/2019 0.05
10/25/2019 0.00
10/26/2019 0.02
10/27/2019 0.01
10/28/2019 1.49
10/29/2019 0.04
10/30/2019 0.01
10/31/2019 0.12
11/1/2019 0.22
11/2/2019 0.00
11/3/2019 0.00
11/4/2019 0.00
11/5/2019 0.00
11/6/2019 0.39
11/7/2019 0.00
11/8/2019 0.28
11/9/2019 0.00
11/10/2019 0.00
11/11/2019 0.00
11/12/2019 0.00
11/13/2019 0.05
11/14/2019 0.00
11/15/2019 0.00
11/16/2019 0.00
11/17/2019 0.00
11/18/2019 T
11/19/2019 0.33
11/20/2019 0.07
11/21/2019 0.00
11/22/2019 T
11/23/2019 0.09
11/24/2019 0.17
11/25/2019 1.19
11/26/2019 0.00
11/27/2019 0.00
11/28/2019 0.27
11/29/2019 0.01
11/30/2019 0.00
12/1/2019 0.00
12/2/2019 1.13
12/3/2019 0.43
12/4/2019 0.17
12/5/2019 0.00
12/6/2019 0.00
12/7/2019 0.01
12/8/2019 0.00
12/9/2019 0.04
12/10/2019 0.72
12/11/2019 0.47
12/12/2019 0.01
12/13/2019 0.00
12/14/2019 1.19
12/15/2019 0.21
12/16/2019 0.00
12/17/2019 0.03
12/18/2019 0.67
12/19/2019 0.00
12/20/2019 0.00
12/21/2019 0.00
12/22/2019 0.00
12/23/2019 0.00
12/24/2019 0.00
12/25/2019 0.00
12/26/2019 0.00
12/27/2019 0.00
12/28/2019 0.00
12/29/2019 0.00
12/30/2019 0.50
12/31/2019 1.16
Day of YearDaily PrcpMultiday Prcp
1/1/2020 T
1/2/2020 0.00
1/3/2020 0.00
1/4/2020 0.00
1/5/2020 0.27
1/6/2020 0.00
1/7/2020 T
1/8/2020 0.00
1/9/2020 T
1/10/2020 0.00
1/11/2020 0.00
1/12/2020 0.07
1/13/2020 0.02
1/14/2020 0.00
1/15/2020 0.02
1/16/2020 0.03
1/17/2020 0.00
1/18/2020 0.00
1/19/2020 0.40
1/20/2020 0.00
1/21/2020 0.00
1/22/2020 0.00
1/23/2020 0.00
1/24/2020 0.00
1/25/2020 0.00
1/26/2020 0.88
1/27/2020 0.00
1/28/2020 0.00
1/29/2020 0.00
1/30/2020 0.00
1/31/2020 0.00
2/1/2020 0.02
2/2/2020 T
2/3/2020 0.00
2/4/2020 0.00
2/5/2020 0.10
2/6/2020 0.34
2/7/2020 0.20
2/8/2020 0.19
2/9/2020 0.00
2/10/2020 0.06
2/11/2020 0.16
2/12/2020 0.18
2/13/2020 0.49
2/14/2020 0.13
2/15/2020 0.00
2/16/2020 0.00
2/17/2020 0.00
2/18/2020 0.00
2/19/2020 0.46
2/20/2020 0.00
2/21/2020 0.00
2/22/2020 0.00
2/23/2020 0.00
2/24/2020 0.00
2/25/2020 0.00
2/26/2020 0.38
2/27/2020 0.65
2/28/2020 0.03
2/29/2020 0.00
3/1/2020 0.00
3/2/2020 0.00
3/3/2020 0.00
3/4/2020 0.09
3/5/2020 0.00
3/6/2020 0.00
3/7/2020 T
3/8/2020 0.00
3/9/2020 0.00
3/10/2020 0.00
3/11/2020 T
3/12/2020 T
3/13/2020 0.20
3/14/2020 0.20
3/15/2020 0.00
3/16/2020 0.00
3/17/2020 0.03
3/18/2020 0.00
3/19/2020 0.15
3/20/2020 0.53
3/21/2020 0.01
3/22/2020 0.00
3/23/2020 0.00
3/24/2020 1.75
3/25/2020 0.00
3/26/2020 0.03
3/27/2020 0.00
3/28/2020 0.00
3/29/2020 0.40
3/30/2020 0.32
3/31/2020 0.09
Day of YearDaily PrcpMultiday Prcp
4/1/2020 0.00
4/2/2020 T
4/3/2020 0.53
4/4/2020 1.09
4/5/2020 0.00
4/6/2020 0.00
4/7/2020 0.00
4/8/2020 0.05
4/9/2020 0.01
4/10/2020 0.52
4/11/2020 0.00
4/12/2020 0.00
4/13/2020 0.13
4/14/2020 0.93
4/15/2020 T
4/16/2020 0.00
4/17/2020 0.00
4/18/2020 0.63
4/19/2020 0.06
4/20/2020 0.00
4/21/2020 0.00
4/22/2020 0.56
4/23/2020 0.00
4/24/2020 0.13
4/25/2020 0.12
4/26/2020 0.00
4/27/2020 0.36
4/28/2020 0.50
4/29/2020 0.00
4/30/2020 T
5/1/2020 0.87
5/2/2020 0.25
5/3/2020 0.00
5/4/2020 0.01
5/5/2020 T
5/6/2020 0.00
5/7/2020 0.03
5/8/2020 0.00
5/9/2020 0.43
5/10/2020 0.01
5/11/2020 0.00
5/12/2020 0.74
5/13/2020 0.00
5/14/2020 0.00
5/15/2020 0.06
5/16/2020 0.70
5/17/2020 0.00
5/18/2020 T
5/19/2020 T
5/20/2020 0.00
5/21/2020 0.00
5/22/2020 0.00
5/23/2020 0.00
5/24/2020 0.02
5/25/2020 0.02
5/26/2020 T
5/27/2020 0.00
5/28/2020 0.00
5/29/2020 0.01
5/30/2020 0.07
5/31/2020 0.00
6/1/2020 0.00
6/2/2020 0.00
6/3/2020 0.01
6/4/2020 0.00
6/5/2020 0.07
6/6/2020 0.01
6/7/2020 1.05
6/8/2020 T
6/9/2020 0.00
6/10/2020 0.00
6/11/2020 0.00
6/12/2020 0.63
6/13/2020 0.00
6/14/2020 0.00
6/15/2020 0.00
6/16/2020 0.00
6/17/2020 0.00
6/18/2020 0.00
6/19/2020 0.00
6/20/2020 0.00
6/21/2020 0.00
6/22/2020 0.03
6/23/2020 0.00
6/24/2020 0.00
6/25/2020 0.06
6/26/2020 0.00
6/27/2020 0.00
6/28/2020 0.16
6/29/2020 0.91
6/30/2020 0.45
Day of YearDaily PrcpMultiday Prcp
7/1/2020 0.30
7/2/2020 0.54
7/3/2020 T
7/4/2020 0.00
7/5/2020 0.00
7/6/2020 0.01
7/7/2020 0.00
7/8/2020 0.00
7/9/2020 T
7/10/2020 0.00
7/11/2020 0.21
7/12/2020 0.00
7/13/2020 0.00
7/14/2020 0.15
7/15/2020 0.01
7/16/2020 0.00
7/17/2020 0.19
7/18/2020 0.16
7/19/2020 **
7/20/2020 **
7/21/2020 **
7/22/2020 **
7/23/2020 **
7/24/2020 **
7/25/2020 **
7/26/2020 0.24
7/27/2020 0.00
7/28/2020 0.00
7/29/2020 0.06
7/30/2020 0.00
7/31/2020 0.00
8/1/2020 0.00
8/2/2020 0.00
8/3/2020 0.05
8/4/2020 0.00
8/5/2020 0.36
8/6/2020 0.00
8/7/2020 0.00
8/8/2020 0.00
8/9/2020 0.00
8/10/2020 0.00
8/11/2020 0.00
8/12/2020 0.00
8/13/2020 0.00
8/14/2020 0.00
8/15/2020 0.00
8/16/2020 T
8/17/2020 0.30
8/18/2020 0.12
8/19/2020 0.00
8/20/2020 0.07
8/21/2020 0.00
8/22/2020 0.00
8/23/2020 0.28
8/24/2020 1.96
8/25/2020 0.00
8/26/2020 T
8/27/2020 0.00
8/28/2020 0.41
8/29/2020 0.01
8/30/2020 0.10
8/31/2020 0.00
9/1/2020 0.00
9/2/2020 0.03
9/3/2020 0.31
9/4/2020 0.02
9/5/2020 0.00
9/6/2020 0.00
9/7/2020 0.00
9/8/2020 0.00
9/9/2020 0.00
9/10/2020 T
9/11/2020 1.10
9/12/2020 0.00
9/13/2020 0.00
9/14/2020 0.00
9/15/2020 0.00
9/16/2020 0.00
9/17/2020 0.00
9/18/2020 0.00
9/19/2020 0.00
9/20/2020 0.00
9/21/2020 0.00
9/22/2020 0.00
9/23/2020 0.00
9/24/2020 0.00
9/25/2020 0.00
9/26/2020 0.00
9/27/2020 T
9/28/2020 0.11
9/29/2020 0.00
9/30/2020 0.27



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2019 7:00 AM 0.03 0.0 M 0.0 M Happy New Water Year! A few showers last night and before dawn.
10/2/2019 7:00 AM 0.00 0.0 M M M Very warm this morning, almost 70 before dawn. This could be the last such day like this until next July.
10/3/2019 7:00 AM 0.29 0.0 M 0.0 M Impressive temp drop with frontal passage. Summer one day, fall the next.
10/4/2019 7:00 AM 0.18 0.0 0.00 0.0 0.00 Showers yesterday afternoon and early evening. Finally cold enough to kick the heat on.
10/5/2019 7:00 AM 0.00 0.0 M M M
10/6/2019 7:00 AM 0.00 0.0 M M M
10/7/2019 7:00 AM 0.00 0.0 M M M
10/8/2019 7:00 AM 0.20 0.0 0.00 0.0 0.00
10/9/2019 7:00 AM 0.02 0.0 0.00 0.0 0.00
10/10/2019 7:00 AM 0.12 0.0 0.00 0.0 0.00 First nor'easter of the season brought way more hype than wind and rain.
10/11/2019 7:00 AM 0.01 0.0 0.00 0.0 0.00
10/12/2019 7:00 AM 0.22 0.0 0.00 0.0 0.00 Third day of the low-intensity nor'easter.
10/13/2019 7:00 AM 0.02 0.0 M M M
10/14/2019 7:00 AM 0.00 0.0 M M M
10/15/2019 7:00 AM 0.00 0.0 M M M
10/16/2019 7:00 AM 0.00 M M M M
10/17/2019 7:00 AM 2.07 0.0 0.00 0.0 0.00 Fast moving storm with lots of rain during the overnight.
10/18/2019 7:00 AM T 0.0 0.00 0.0 0.00
10/19/2019 7:00 AM 0.00 0.0 M M M
10/20/2019 7:00 AM 0.00 0.0 M M M
10/21/2019 7:00 AM 0.02 0.0 0.00 0.0 0.00
10/22/2019 7:00 AM 0.00 0.0 M M M
10/23/2019 7:00 AM 0.65 M M M M Heavy rain this morning.
10/24/2019 7:00 AM 0.05 M M M M
10/25/2019 7:00 AM 0.00 0.0 M M M
10/26/2019 7:00 AM 0.02 M M M M
10/27/2019 7:00 AM 0.01 M M M M
10/28/2019 7:00 AM 1.49 M M M M
10/29/2019 7:00 AM 0.04 M M M M
10/30/2019 7:00 AM 0.01 M M M M Foggy, gray and damp.
10/31/2019 7:00 AM 0.12 M M M M
11/1/2019 7:00 AM 0.22 M M M M
11/2/2019 7:00 AM 0.00 0.0 M M M
11/3/2019 7:00 AM 0.00 0.0 M M M
11/4/2019 7:00 AM 0.00 0.0 M M M
11/5/2019 7:00 AM 0.00 0.0 M M M
11/6/2019 7:00 AM 0.39 M M M M
11/7/2019 7:00 AM 0.00 0.0 M M M
11/8/2019 7:00 AM 0.28 M M M M
11/9/2019 7:00 AM 0.00 0.0 M M M
11/10/2019 7:00 AM 0.00 0.0 M M M
11/11/2019 7:00 AM 0.00 0.0 M M M
11/12/2019 7:00 AM 0.00 M M M M
11/13/2019 7:00 AM 0.05 T 0.05 0.0 0.00 First snow of the season. Just a dusting of snow that quickly melted. Low of 16 tonight which is very cold for November.
11/14/2019 7:00 AM 0.00 0.0 M M M
11/15/2019 7:00 AM 0.00 0.0 M M M
11/16/2019 7:00 AM 0.00 0.0 M M M
11/17/2019 7:00 AM 0.00 0.0 M M M
11/18/2019 7:00 AM T T T T T Flurries yesterday. First snow of the season to stick albeit just barely
11/19/2019 7:00 AM 0.33 0.0 0.00 0.0 0.00
11/20/2019 7:00 AM 0.07 0.0 0.00 0.0 0.00 Drizzle
11/21/2019 7:00 AM 0.00 0.0 M M M
11/22/2019 7:00 AM T M M M M
11/23/2019 7:00 AM 0.09 M M M M
11/24/2019 7:00 AM 0.17 M M M M
11/25/2019 7:00 AM 1.19 M M M M
11/26/2019 7:00 AM 0.00 0.0 M M M
11/27/2019 7:00 AM 0.00 0.0 M M M
11/28/2019 7:00 AM 0.27 M M M M
11/29/2019 7:00 AM 0.01 M M M M
11/30/2019 7:00 AM 0.00 0.0 M M M
12/1/2019 7:00 AM 0.00 0.0 M M M
12/2/2019 7:00 AM 1.13 7.0 1.13 7.0 1.13 Had to let the cylinder melt because i forgot to label the cylinder’s weight. Very wet snow.
12/3/2019 7:00 AM 0.43 5.1 0.43 12.0 M Measurement taken by weight. Still snowing rather hard at t-obs. Difficult running conditions this morning.
12/4/2019 7:00 AM 0.17 2.0 0.17 12.0 M Taken by weight. All measurements were taken at t-observation, so there's been some settling for sure.
12/5/2019 7:00 AM 0.00 0.0 M M M
12/6/2019 7:00 AM 0.00 0.0 M M M
12/7/2019 7:00 AM 0.01 M 0.01 10.0 M Brief flurries yesterday afternoon. Maybe a bit of sleet.
12/8/2019 7:00 AM 0.00 0.0 M M M
12/9/2019 7:00 AM 0.04 0.0 0.00 8.2 1.92 Rain in the gauge measured by volume. SWE for snowpack taken by weight
12/10/2019 7:00 AM 0.72 0.0 0.00 M M It was 45 degrees colder at this time two days ago. Perhaps only two inches of patchy snow
12/11/2019 7:00 AM 0.47 M M 3.5 M Waited for sample to melt. {EDIT: Observer reported 2.5 for new snowfall with a melted core of 2.70. Melted core cannot be greater than the accumulation measured. Changed reports of 2.5 and 2.70 to NA until observer can be contacted to verify. Submission Time Before EDIT: 12/11/2019 12:08 PM CoCoSTAFF DNT}
12/12/2019 7:00 AM 0.01 M M M M
12/13/2019 7:00 AM 0.00 0.0 M M M
12/14/2019 7:00 AM 1.19 0.0 0.00 0.0 0.00 All snow not in a man made pile is gone. Relatively warm. Heavy rain. Yard is like soaked sponge. Squishy and mudddy
12/15/2019 7:00 AM 0.21 M M M M
12/16/2019 7:00 AM 0.00 M M M M
12/17/2019 7:00 AM 0.03 0.1 0.03 0.1 0.03
12/18/2019 7:00 AM 0.67 M M M M Slushy mess yesterday. Measurent taken by weight {EDIT: Observer reported 0.5 for new snowfall with a melted core value of 0.67. Melted core cannot be the greater than the accumulation measured. Changed reports of 0.5 and 0.67 to NA until observer can be contacted to verify measurements. Submission Time Before EDIT: 12/18/2019 8:01 AM CoCoSTAFF DNT}
12/19/2019 7:00 AM 0.00 0.0 M M M
12/20/2019 7:00 AM 0.00 0.0 M M M
12/21/2019 7:00 AM 0.00 0.0 M M M
12/22/2019 7:00 AM 0.00 0.0 M M M
12/23/2019 7:00 AM 0.00 0.0 M M M
12/24/2019 7:00 AM 0.00 0.0 M M M
12/25/2019 7:00 AM 0.00 0.0 M M M
12/26/2019 7:00 AM 0.00 0.0 M M M
12/27/2019 7:00 AM 0.00 0.0 M M M
12/28/2019 7:00 AM 0.00 0.0 M M M
12/29/2019 7:00 AM 0.00 0.0 M M M
12/30/2019 7:00 AM 0.50 M M M M 33 degrees and rainy. Terrible running weather.
12/31/2019 7:00 AM 1.16 M M M M Very patchy slush on the ground
1/1/2020 7:00 AM T 0.0 M M M
1/2/2020 7:00 AM 0.00 0.0 M M M
1/3/2020 7:00 AM 0.00 0.0 M M M
1/4/2020 7:00 AM 0.00 M M M M
1/5/2020 7:00 AM 0.27 M M M M
1/6/2020 7:00 AM 0.00 M M M M
1/7/2020 7:00 AM T M M M M
1/8/2020 7:00 AM 0.00 M M M M
1/9/2020 7:00 AM T M M M M Snow squalls
1/10/2020 7:00 AM 0.00 M M M M
1/11/2020 7:00 AM 0.00 0.0 M M M
1/12/2020 7:00 AM 0.07 M M M M
1/13/2020 7:00 AM 0.02 M M M M Freakishly warm yesterday. 68.9 F. Even the second floor warmed up.
1/14/2020 7:00 AM 0.00 M M M M
1/15/2020 7:00 AM 0.02 M M M M
1/16/2020 7:00 AM 0.03 M M M M Just above freezing. A few spots of patchy snow on flower beds
1/17/2020 7:00 AM 0.00 0.0 M M M
1/18/2020 7:00 AM 0.00 0.0 M M M
1/19/2020 7:00 AM 0.40 3.5 0.40 3.5 0.40
1/20/2020 7:00 AM 0.00 0.0 M M M
1/21/2020 7:00 AM 0.00 0.0 M M M
1/22/2020 7:00 AM 0.00 0.0 M M M
1/23/2020 7:00 AM 0.00 0.0 M M M
1/24/2020 7:00 AM 0.00 0.0 M M M
1/25/2020 7:00 AM 0.00 0.0 M M M
1/26/2020 7:00 AM 0.88 M M M M
1/27/2020 7:00 AM 0.00 0.0 M M M
1/28/2020 7:00 AM 0.00 0.0 M M M
1/29/2020 7:00 AM 0.00 0.0 M M M
1/30/2020 7:00 AM 0.00 0.0 M M M
1/31/2020 7:00 AM 0.00 0.0 M M M
2/1/2020 7:00 AM 0.02 M M M M slight snowfall. very patchy
2/2/2020 7:00 AM T M M M M
2/3/2020 7:00 AM 0.00 0.0 M M M
2/4/2020 7:00 AM 0.00 0.0 M M M
2/5/2020 7:00 AM 0.10 M M M M
2/6/2020 7:00 AM 0.34 M M M M Patchy frozen precip snow
2/7/2020 7:00 AM 0.20 M M M M
2/8/2020 7:00 AM 0.19 M M M M
2/9/2020 7:00 AM 0.00 0.0 M M M
2/10/2020 7:00 AM 0.06 M M M M
2/11/2020 7:00 AM 0.16 M M M M
2/12/2020 7:00 AM 0.18 M M M M
2/13/2020 7:00 AM 0.49 M M M M Some melted pachy sleet on ground
2/14/2020 7:00 AM 0.13 M M M M
2/15/2020 7:00 AM 0.00 0.0 M M M
2/16/2020 7:00 AM 0.00 0.0 M M M
2/17/2020 7:00 AM 0.00 0.0 M M M
2/18/2020 7:00 AM 0.00 M M M M
2/19/2020 7:00 AM 0.46 M M M M
2/20/2020 7:00 AM 0.00 0.0 M M M
2/21/2020 7:00 AM 0.00 0.0 M M M
2/22/2020 7:00 AM 0.00 0.0 M M M
2/23/2020 7:00 AM 0.00 0.0 M M M
2/24/2020 7:00 AM 0.00 0.0 M M M
2/25/2020 7:00 AM 0.00 0.0 M M M
2/26/2020 7:00 AM 0.38 M M M M
2/27/2020 7:00 AM 0.65 M M M M
2/28/2020 7:00 AM 0.03 M M M M
2/29/2020 7:00 AM 0.00 0.0 M M M
3/1/2020 7:00 AM 0.00 0.0 M M M
3/2/2020 7:00 AM 0.00 0.0 M M M
3/3/2020 7:00 AM 0.00 0.0 M M M
3/4/2020 7:00 AM 0.09 M M M M
3/5/2020 7:00 AM 0.00 0.0 M M M
3/6/2020 7:00 AM 0.00 0.0 M M M
3/7/2020 7:00 AM T M M M M
3/8/2020 7:00 AM 0.00 0.0 M M M
3/9/2020 7:00 AM 0.00 0.0 M M M
3/10/2020 7:00 AM 0.00 0.0 M M M
3/11/2020 7:00 AM T M M M M
3/12/2020 7:00 AM T M M M M
3/13/2020 7:00 AM 0.20 M M M M Coronavirus cant keep me from my gauge!
3/14/2020 7:00 AM 0.20 M M M M
3/15/2020 7:00 AM 0.00 0.0 M M M
3/16/2020 7:00 AM 0.00 0.0 M M M
3/17/2020 7:00 AM 0.03 T 0.03 M M
3/18/2020 7:00 AM 0.00 0.0 M M M
3/19/2020 7:00 AM 0.15 M M M M rain at time of obs. high 30s
3/20/2020 7:00 AM 0.53 M M M M
3/21/2020 7:00 AM 0.01 M M M M Adding late. Forgot to add when observed.
3/22/2020 7:00 AM 0.00 0.0 M M M
3/23/2020 7:00 AM 0.00 0.0 M M M
3/24/2020 7:00 AM 1.75 0.8 M T M Snow in the afternoon but largely gone by morning except for some patches here and there on the grass. Just under an inch at its peak but hard to say because I wasn't measuring every hour.
3/25/2020 7:00 AM 0.00 0.0 M M M
3/26/2020 7:00 AM 0.03 M M M M
3/27/2020 7:00 AM 0.00 0.0 M M M
3/28/2020 7:00 AM 0.00 0.0 M M M
3/29/2020 7:00 AM 0.40 M M M M Cold, overcast and drizzle.
3/30/2020 7:00 AM 0.32 M M M M
3/31/2020 7:00 AM 0.09 M M M M
4/1/2020 7:00 AM 0.00 0.0 M M M
4/2/2020 7:00 AM T M M M M
4/3/2020 7:00 AM 0.53 M M M M
4/4/2020 7:00 AM 1.09 M M M M Late season nor'easter. All rain.
4/5/2020 7:00 AM 0.00 0.0 M M M
4/6/2020 7:00 AM 0.00 0.0 M M M
4/7/2020 7:00 AM 0.00 0.0 M M M
4/8/2020 7:00 AM 0.05 M M M M
4/9/2020 7:00 AM 0.01 M M M M
4/10/2020 7:00 AM 0.52 M M M M
4/11/2020 7:00 AM 0.00 0.0 M M M
4/12/2020 7:00 AM 0.00 0.0 M M M
4/13/2020 7:00 AM 0.13 M M M M
4/14/2020 7:00 AM 0.93 M M M M Storm yesterday with gusts as high as 21 mph.
4/15/2020 7:00 AM T M M M M Brief showers this morning
4/16/2020 7:00 AM 0.00 0.0 M M M
4/17/2020 7:00 AM 0.00 0.0 M M M
4/18/2020 7:00 AM 0.63 2.5 0.63 2.5 0.63
4/19/2020 7:00 AM 0.06 M M 1.0 M Slushy patchy snow on ground
4/20/2020 7:00 AM 0.00 0.0 M M M
4/21/2020 7:00 AM 0.00 0.0 M M M
4/22/2020 7:00 AM 0.56 M M M M Water in cylinder frozen partially
4/23/2020 7:00 AM 0.00 0.0 M M M
4/24/2020 7:00 AM 0.13 M M M M
4/25/2020 7:00 AM 0.12 M M M M
4/26/2020 7:00 AM 0.00 0.0 M M M
4/27/2020 7:00 AM 0.36 M M M M High 30s a bit breezy.
4/28/2020 7:00 AM 0.50 M M M M My 2000th observation. Glad we had some rain to report. Cloudy and very cold for late April yesterday. High 30s to about 40 all day.
4/29/2020 7:00 AM 0.00 M M M M Nice spring day. Even got a but of sun to dry things out. Lake Winthrop very high
4/30/2020 7:00 AM T M M M M
5/1/2020 7:00 AM 0.87 M M M M Steady rain at t-observation.
5/2/2020 7:00 AM 0.25 M M M M Strange glowing ball of light in the sky this morning. Maybe its the sun?
5/3/2020 7:00 AM 0.00 0.0 M M M
5/4/2020 7:00 AM 0.01 M M M M Brief showers this morning
5/5/2020 7:00 AM T M M M M Brief sprinkles yesterday afternoon
5/6/2020 7:00 AM 0.00 0.0 M M M
5/7/2020 7:00 AM 0.03 0.0 M M M
5/8/2020 7:00 AM 0.00 0.0 M M M
5/9/2020 7:00 AM 0.43 M M M M Snow flurries
5/10/2020 7:00 AM 0.01 M M M M
5/11/2020 7:00 AM 0.00 M M M M
5/12/2020 7:00 AM 0.74 M M M M Thunderstorms yesterday with very small hail
5/13/2020 7:00 AM 0.00 M M M M
5/14/2020 7:00 AM 0.00 0.0 M M M
5/15/2020 7:00 AM 0.06 M M M M
5/16/2020 7:00 AM 0.70 M M M M Thunderstorms last night
5/17/2020 7:00 AM 0.00 0.0 M M M
5/18/2020 7:00 AM T M M M M Couldnt tell if it rained a bit or that was dew in the gauge
5/19/2020 7:00 AM T M M M M Very brief sprinkles yesterday afternoon.
5/20/2020 7:00 AM 0.00 0.0 M M M
5/21/2020 7:00 AM 0.00 0.0 M M M
5/22/2020 7:00 AM 0.00 0.0 M M M
5/23/2020 7:00 AM 0.00 0.0 M M M
5/24/2020 7:00 AM 0.02 M M M M
5/25/2020 7:00 AM 0.02 M M M M Light drizzle
5/26/2020 7:00 AM T M M M M
5/27/2020 7:00 AM 0.00 M M M M No real rain for past two weeks. Soil is very dry.
5/28/2020 7:00 AM 0.00 0.0 M M M
5/29/2020 7:00 AM 0.01 M M M M
5/30/2020 7:00 AM 0.07 M M M M
5/31/2020 7:00 AM 0.00 0.0 M M M
6/1/2020 7:00 AM 0.00 0.0 M M M
6/2/2020 7:00 AM 0.00 M M M M
6/3/2020 7:00 AM 0.01 M M M M
6/4/2020 7:00 AM 0.00 0.0 M M M
6/5/2020 7:00 AM 0.07 M M M M Thunderstorms around 415-430 this morning.
6/6/2020 7:00 AM 0.01 M M M M
6/7/2020 7:00 AM 1.05 M M M M .98 fell within 20 minutes during a late afternoon thunderstorm. Brief heavy showers in the evening. So much pollen it's visible in the air.
6/8/2020 7:00 AM T M M M M Brief drizzle yesterday afternoon
6/9/2020 7:00 AM 0.00 0.0 M M M
6/10/2020 7:00 AM 0.00 0.0 M M M
6/11/2020 7:00 AM 0.00 0.0 M M M
6/12/2020 7:00 AM 0.63 M M M M Heavy showers yesterday afternoon. Whisked away most of the pollen.
6/13/2020 7:00 AM 0.00 0.0 M M M
6/14/2020 7:00 AM 0.00 0.0 M M M
6/15/2020 7:00 AM 0.00 M M M M
6/16/2020 7:00 AM 0.00 0.0 M M M
6/17/2020 7:00 AM 0.00 0.0 M M M Cold this morning. 46! It's getting dry. We haven't had much rain over the past few weeks and rain barrels are almost dry.
6/18/2020 7:00 AM 0.00 0.0 M M M Foggy this morning. Much more humid that previous few mornings.
6/19/2020 7:00 AM 0.00 0.0 M M M
6/20/2020 7:00 AM 0.00 0.0 M M M
6/21/2020 7:00 AM 0.00 0.0 M M M
6/22/2020 7:00 AM 0.03 M M M M Brief shower yesterday afternoon. First rain in 10 days. Very dry.
6/23/2020 7:00 AM 0.00 0.0 M M M
6/24/2020 7:00 AM 0.00 0.0 M M M
6/25/2020 7:00 AM 0.06 M M M M Brief showers yesterday afternoon.
6/26/2020 7:00 AM 0.00 0.0 M M M
6/27/2020 7:00 AM 0.00 0.0 M M M
6/28/2020 7:00 AM 0.16 M M M M Showers most of the afternoon
6/29/2020 7:00 AM 0.91 M M M M Tremendous tstorm activity around me yesterday afternoon amd early evening. We missed the biggest slug of rain
6/30/2020 7:00 AM 0.45 M M M M Strong thunderstorm in the morning with lots of lightning. One struck a tree in Lake Grove Cemetery and zapped my AC in the process. Ugh.
7/1/2020 7:00 AM 0.30 M M M M
7/2/2020 7:00 AM 0.54 M M M M
7/3/2020 7:00 AM T M M M M
7/4/2020 7:00 AM 0.00 0.0 M M M
7/5/2020 7:00 AM 0.00 0.0 M M M
7/6/2020 7:00 AM 0.01 M M M M Strong thuderstorms skirted by to my east, just nicking up with a few minutes of rain.
7/7/2020 7:00 AM 0.00 M M M M
7/8/2020 7:00 AM 0.00 0.0 M M M
7/9/2020 7:00 AM T M M M M Brief line of showers early evening
7/10/2020 7:00 AM 0.00 M M M M
7/11/2020 7:00 AM 0.21 M M M M Remnants of Tropical Storm Fay not that impressive.
7/12/2020 7:00 AM 0.00 0.0 M M M
7/13/2020 7:00 AM 0.00 0.0 M M M
7/14/2020 7:00 AM 0.15 M M M M
7/15/2020 7:00 AM 0.01 M M M M
7/16/2020 7:00 AM 0.00 M M M M
7/17/2020 7:00 AM 0.19 M M M M Very heavy rain at time of observation.
7/18/2020 7:00 AM 0.16 M M M M
7/27/2020 7:00 AM 0.00 0.0 M M M
7/28/2020 7:00 AM 0.00 M M M M
7/29/2020 7:00 AM 0.06 M M M M Brief line of heavy showers
7/30/2020 7:00 AM 0.00 M M M M
7/31/2020 7:00 AM 0.00 M M M M
8/1/2020 7:00 AM 0.00 0.0 M M M
8/2/2020 7:00 AM 0.00 0.0 M M M
8/3/2020 7:00 AM 0.05 M M M M Thunderstorms slipped by to the north of us.
8/4/2020 7:00 AM 0.00 0.0 M M M
8/5/2020 7:00 AM 0.36 M M M M
8/6/2020 7:00 AM 0.00 0.0 M M M
8/7/2020 7:00 AM 0.00 0.0 M M M
8/8/2020 7:00 AM 0.00 0.0 M M M
8/9/2020 7:00 AM 0.00 0.0 M M M
8/10/2020 7:00 AM 0.00 0.0 M M M
8/11/2020 7:00 AM 0.00 0.0 M M M
8/12/2020 7:00 AM 0.00 0.0 M M M
8/13/2020 7:00 AM 0.00 0.0 M M M
8/14/2020 7:00 AM 0.00 0.0 M M M
8/15/2020 7:00 AM 0.00 0.0 M M M
8/16/2020 7:00 AM T 0.0 M M M Misting a few times yesterday. No real measurable precipitation though.
8/17/2020 7:00 AM 0.30 0.0 M M M First rain in a while.
8/18/2020 7:00 AM 0.12 0.0 0.00 0.0 0.00 Overnight showers
8/19/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/20/2020 7:00 AM 0.07 0.0 0.00 0.0 0.00 Brief showers yesterday. Severe warned thunderstorm collapsed in Milford and gave us far less rain than the prior radar signatures portended.
8/21/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/22/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/23/2020 7:00 AM 0.28 0.0 0.00 0.0 0.00
8/24/2020 7:00 AM 1.96 0.0 0.00 0.0 0.00 Heavy rain during late afternoon and early evening thunderstorms. 1 inch fell in the first 30 minutes.
8/25/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/26/2020 7:00 AM T 0.0 0.00 0.0 0.00 Sprinkles early evening
8/27/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/28/2020 7:00 AM 0.41 0.0 0.00 0.0 0.00
8/29/2020 7:00 AM 0.01 0.0 0.00 0.0 0.00 Foggy and humid as the remnants of Hurricane Laura, a cat 4 that hit the TX/LA coast, cross New England.
8/30/2020 7:00 AM 0.10 0.0 0.00 0.0 0.00
8/31/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00 Very cool this morning. 47.8 F.
9/1/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00 53 F this morning.
9/2/2020 7:00 AM 0.03 0.0 0.00 0.0 0.00
9/3/2020 7:00 AM 0.31 0.0 0.00 0.0 0.00
9/4/2020 7:00 AM 0.02 0.0 0.00 0.0 0.00
9/5/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/6/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/7/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/8/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/9/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/10/2020 7:00 AM T 0.0 0.00 0.0 0.00
9/11/2020 7:00 AM 1.10 0.0 0.00 0.0 0.00 Periods of sporadic, intense showers in the afternoon that developed into bands of heavy rain by the evening.
9/12/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/13/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/14/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/15/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00 Cold this morning. 43 F
9/16/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/17/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/18/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/19/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00 43F this morning. Getting cold.
9/20/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/21/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00 37.2F this morning.
9/22/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/23/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/24/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/25/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/26/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/27/2020 7:00 AM T 0.0 0.00 0.0 0.00 Ground was wet this morning. Tiniest amount of precip in the gauge. High dewpoints and fog. Noticed rain shadow of sorts under trees. Calling this precip and not dew.
9/28/2020 7:00 AM 0.11 0.0 0.00 0.0 0.00 First measurable rain in 17 days. Light mist yesterday morning. Showers overnight.
9/29/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00 Humid overnight.
9/30/2020 7:00 AM 0.27 0.0 0.00 0.0 0.00 Misting at the time of observation. Very windy. Garbage cans knocked over. Apologies to my neighbors for the garbage blown around.



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
7/19/2020 7/26/2020 7:00 AM 8 0.24 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