Station Overview Station Location
Station Number MA-MD-55 Latitude 42.19946
Station Name Holliston 0.7 W Longitude -71.447899
County Middlesex Elevation (ft) 290



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 4.32 5.65 31 5.65 22 0.00 9 4 11 0 0.0 0 0
Nov 17 4.42 2.32 30 1.27 22 1.05 8 4 6 1 0.0 0 0
Dec 17 4.36 3.38 31 2.52 20 0.86 11 4 7 0 6.2 2 4
Jan 18 3.79 5.17 30 3.78 13 1.39 17 8 4 1 19.8 2 2
Feb 18 3.56 4.13 28 0.85 5 3.28 23 4 2 1 5.0 1 1
March 18 4.55 6.05 30 4.66 25 1.39 5 2 7 3 25.2 3 1
April 18 4.39 5.29 30 4.90 22 0.39 8 4 13 2 1.5 1 1
May 18 3.76 1.67 31 1.57 14 0.10 17 7 9 0 0.0 0 0
June 18 4.13 3.03 30 3.00 20 0.03 10 5 10 1 0.0 0 0
July 18 3.77 6.37 30 5.14 13 1.23 17 4 7 0 0.0 0 0
Aug 18 3.89 4.98 31 4.84 19 0.14 12 5 12 0 0.0 0 0
Sept 18 3.79 8.78 30 8.62 17 0.16 13 5 11 1 0.0 0 0
Water Year Totals: 48.73" 56.82" 362 days 46.80" 212 10.02" 150 days 56 99 days 10 days 57.7" 9 days 9 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 0.02
10/2/2017 **
10/3/2017 0.00
10/4/2017 **
10/5/2017 **
10/6/2017 0.00
10/7/2017 0.00
10/8/2017 0.00
10/9/2017 0.23
10/10/2017 0.27
10/11/2017 0.00
10/12/2017 0.01
10/13/2017 0.00
10/14/2017 0.00
10/15/2017 0.03
10/16/2017 0.02
10/17/2017 0.00
10/18/2017 0.00
10/19/2017 **
10/20/2017 0.00
10/21/2017 0.00
10/22/2017 0.00
10/23/2017 0.00
10/24/2017 0.17
10/25/2017 0.66
10/26/2017 0.62
10/27/2017 0.26
10/28/2017 **
10/29/2017 0.00
10/30/2017 3.36
10/31/2017 0.00
11/1/2017 0.00
11/2/2017 T
11/3/2017 **
11/4/2017 T
11/5/2017 0.00
11/6/2017 0.01
11/7/2017 **
11/8/2017 0.22
11/9/2017 0.00
11/10/2017 0.04
11/11/2017 0.00
11/12/2017 0.00
11/13/2017 0.00
11/14/2017 0.25
11/15/2017 0.00
11/16/2017 0.00
11/17/2017 0.46
11/18/2017 0.00
11/19/2017 0.41
11/20/2017 0.10
11/21/2017 0.00
11/22/2017 **
11/23/2017 0.83
11/24/2017 0.00
11/25/2017 **
11/26/2017 0.00
11/27/2017 0.00
11/28/2017 0.00
11/29/2017 0.00
11/30/2017 0.00
12/1/2017 0.06
12/2/2017 **
12/3/2017 0.00
12/4/2017 0.00
12/5/2017 0.00
12/6/2017 0.87
12/7/2017 0.00
12/8/2017 0.00
12/9/2017 0.00
12/10/2017 0.82
12/11/2017 **
12/12/2017 **
12/13/2017 **
12/14/2017 **
12/15/2017 0.18
12/16/2017 0.01
12/17/2017 0.00
12/18/2017 0.00
12/19/2017 0.00
12/20/2017 0.00
12/21/2017 0.00
12/22/2017 0.00
12/23/2017 0.17
12/24/2017 0.54
12/25/2017 **
12/26/2017 0.68
12/27/2017 0.00
12/28/2017 0.00
12/29/2017 **
12/30/2017 0.00
12/31/2017 0.05
Day of YearDaily PrcpMultiday Prcp
1/1/2018 0.00
1/2/2018 0.00
1/3/2018 0.00
1/4/2018 T
1/5/2018 1.60
1/6/2018 **
1/7/2018 0.00
1/8/2018 **
1/9/2018 T
1/10/2018 **
1/11/2018 0.00
1/12/2018 0.00
1/13/2018 1.90
1/14/2018 **
1/15/2018 **
1/16/2018 0.01
1/17/2018 **
1/18/2018 0.22
1/19/2018 0.00
1/20/2018 **
1/21/2018 0.00
1/22/2018
1/23/2018 **
1/24/2018 1.16
1/25/2018 0.00
1/26/2018 **
1/27/2018 0.00
1/28/2018 0.06
1/29/2018 0.00
1/30/2018 0.22
1/31/2018 0.00
2/1/2018 **
2/2/2018 0.31
2/3/2018 0.00
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 2.24
2/18/2018 0.61
2/19/2018 **
2/20/2018 **
2/21/2018 **
2/22/2018 **
2/23/2018 0.19
2/24/2018 0.24
2/25/2018 **
2/26/2018 0.54
2/27/2018 T
2/28/2018 0.00
3/1/2018 0.00
3/2/2018 0.27
3/3/2018 1.97
3/4/2018 0.00
3/5/2018 0.07
3/6/2018 **
3/7/2018 0.02
3/8/2018 **
3/9/2018 **
3/10/2018 1.37
3/11/2018 0.00
3/12/2018 0.00
3/13/2018 0.00
3/14/2018 2.11
3/15/2018 T
3/16/2018 0.00
3/17/2018 0.00
3/18/2018 0.00
3/19/2018 0.00
3/20/2018 0.00
3/21/2018 0.00
3/22/2018 0.16
3/23/2018 0.00
3/24/2018 0.00
3/25/2018 T
3/26/2018 T
3/27/2018 0.00
3/28/2018 0.02
3/29/2018 0.00
3/30/2018
3/31/2018 0.06
Day of YearDaily PrcpMultiday Prcp
4/1/2018 T
4/2/2018 0.00
4/3/2018 0.15
4/4/2018 0.63
4/5/2018 0.22
4/6/2018 0.00
4/7/2018 0.27
4/8/2018 **
4/9/2018 0.00
4/10/2018 0.00
4/11/2018 0.02
4/12/2018 0.00
4/13/2018 0.07
4/14/2018 0.01
4/15/2018 0.00
4/16/2018 0.51
4/17/2018 1.62
4/18/2018 0.00
4/19/2018 0.07
4/20/2018 0.18
4/21/2018 0.00
4/22/2018 **
4/23/2018 0.00
4/24/2018 **
4/25/2018 0.05
4/26/2018 1.04
4/27/2018 **
4/28/2018 0.34
4/29/2018 T
4/30/2018 0.11
5/1/2018 0.09
5/2/2018 0.00
5/3/2018 0.00
5/4/2018 0.03
5/5/2018 **
5/6/2018 T
5/7/2018 0.33
5/8/2018 **
5/9/2018 0.00
5/10/2018 0.00
5/11/2018 **
5/12/2018 0.00
5/13/2018 0.21
5/14/2018 **
5/15/2018 0.00
5/16/2018 0.49
5/17/2018 0.02
5/18/2018 **
5/19/2018 T
5/20/2018 0.27
5/21/2018 **
5/22/2018 **
5/23/2018 **
5/24/2018 **
5/25/2018 0.10
5/26/2018 0.00
5/27/2018 0.04
5/28/2018 0.09
5/29/2018 **
5/30/2018 0.00
5/31/2018 0.00
6/1/2018 0.00
6/2/2018 0.01
6/3/2018 0.00
6/4/2018 0.03
6/5/2018 0.58
6/6/2018 0.31
6/7/2018 **
6/8/2018 T
6/9/2018 **
6/10/2018 0.00
6/11/2018 **
6/12/2018 0.00
6/13/2018 **
6/14/2018 0.03
6/15/2018 T
6/16/2018 0.03
6/17/2018 0.00
6/18/2018 0.00
6/19/2018 0.05
6/20/2018 0.00
6/21/2018 0.00
6/22/2018 **
6/23/2018 0.00
6/24/2018 0.04
6/25/2018 0.51
6/26/2018 0.00
6/27/2018 0.00
6/28/2018 0.20
6/29/2018 1.24
6/30/2018 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2018 0.00
7/2/2018 **
7/3/2018 0.00
7/4/2018 0.00
7/5/2018 0.00
7/6/2018 0.00
7/7/2018 0.88
7/8/2018 **
7/9/2018 **
7/10/2018 **
7/11/2018 **
7/12/2018 **
7/13/2018 **
7/14/2018 0.58
7/15/2018 0.01
7/16/2018 0.00
7/17/2018 0.03
7/18/2018 2.14
7/19/2018 **
7/20/2018 **
7/21/2018 **
7/22/2018 **
7/23/2018 0.65
7/24/2018
7/25/2018 0.12
7/26/2018 1.32
7/27/2018 0.64
7/28/2018 **
7/29/2018 **
7/30/2018 T
7/31/2018 0.00
8/1/2018 0.00
8/2/2018 **
8/3/2018 0.11
8/4/2018 0.22
8/5/2018 1.27
8/6/2018 0.00
8/7/2018 0.00
8/8/2018 0.00
8/9/2018 0.82
8/10/2018 **
8/11/2018 0.03
8/12/2018 0.66
8/13/2018 0.12
8/14/2018 0.32
8/15/2018 0.32
8/16/2018 **
8/17/2018 0.00
8/18/2018 0.11
8/19/2018 0.50
8/20/2018 0.04
8/21/2018 0.00
8/22/2018 0.11
8/23/2018 0.35
8/24/2018 **
8/25/2018 **
8/26/2018 0.00
8/27/2018 0.00
8/28/2018 **
8/29/2018 **
8/30/2018 0.00
8/31/2018 0.00
9/1/2018 0.00
9/2/2018 **
9/3/2018 0.00
9/4/2018 **
9/5/2018 0.00
9/6/2018 0.00
9/7/2018 1.16
9/8/2018 0.01
9/9/2018 0.00
9/10/2018 0.00
9/11/2018 1.48
9/12/2018 0.03
9/13/2018 1.23
9/14/2018 T
9/15/2018 **
9/16/2018 0.01
9/17/2018 0.00
9/18/2018 0.16
9/19/2018 0.93
9/20/2018 **
9/21/2018 **
9/22/2018 0.15
9/23/2018 **
9/24/2018 **
9/25/2018 0.00
9/26/2018 2.52
9/27/2018 0.42
9/28/2018 0.11
9/29/2018 0.57
9/30/2018 **



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2017 8:45 AM 0.02 M M M M
10/7/2017 9:45 AM 0.00 0.0 0.00 0.0 0.00
10/8/2017 9:00 AM 0.00 0.0 0.00 0.0 0.00
10/9/2017 7:30 AM 0.23 0.0 0.00 0.0 0.00
10/10/2017 7:05 AM 0.27 0.0 0.00 0.0 0.00
10/11/2017 7:10 AM 0.00 0.0 0.00 0.0 0.00
10/12/2017 6:55 AM 0.01 0.0 0.00 0.0 0.00
10/13/2017 7:00 AM 0.00 0.0 0.00 0.0 0.00 Patchy frost this morning!
10/14/2017 8:30 AM 0.00 0.0 0.00 0.0 0.00
10/15/2017 8:45 AM 0.03 0.0 0.00 0.0 0.00
10/16/2017 7:10 AM 0.02 0.0 0.00 0.0 0.00
10/17/2017 7:05 AM 0.00 0.0 0.00 0.0 0.00
10/18/2017 7:15 AM 0.00 0.0 0.00 0.0 0.00
10/21/2017 8:05 AM 0.00 0.0 0.00 0.0 0.00
10/22/2017 9:15 AM 0.00 0.0 0.00 0.0 0.00
10/23/2017 7:05 AM 0.00 0.0 0.00 0.0 0.00
10/24/2017 7:00 AM 0.17 0.0 0.00 0.0 0.00
10/25/2017 7:05 AM 0.66 0.0 0.00 0.0 0.00
10/26/2017 7:00 AM 0.62 0.0 0.00 0.0 0.00
10/27/2017 7:05 AM 0.26 0.0 0.00 0.0 0.00
10/30/2017 7:50 AM 3.36 0.0 0.00 0.0 0.00
10/31/2017 7:05 AM 0.00 0.0 0.00 0.0 0.00
11/1/2017 7:15 AM 0.00 0.0 0.00 0.0 0.00
11/2/2017 7:15 AM T 0.0 0.00 0.0 0.00
11/5/2017 1:20 PM 0.00 0.0 0.00 0.0 0.00
11/6/2017 7:10 AM 0.01 0.0 0.00 0.0 0.00
11/9/2017 7:15 AM 0.00 0.0 0.00 0.0 0.00
11/10/2017 6:40 AM 0.04 0.0 0.00 0.0 0.00
11/11/2017 8:20 AM 0.00 0.0 0.00 0.0 0.00
11/12/2017 9:45 AM 0.00 0.0 0.00 0.0 0.00
11/13/2017 7:05 AM 0.00 0.0 0.00 0.0 0.00
11/14/2017 7:00 AM 0.25 0.0 0.00 0.0 0.00
11/15/2017 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/16/2017 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/17/2017 9:25 PM 0.46 0.0 0.00 0.0 0.00
11/18/2017 8:10 AM 0.00 0.0 0.00 0.0 0.00
11/19/2017 8:25 AM 0.41 0.0 0.00 0.0 0.00
11/20/2017 7:00 AM 0.10 0.0 0.00 0.0 0.00
11/21/2017 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/24/2017 9:15 AM 0.00 0.0 0.00 0.0 0.00
11/27/2017 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/28/2017 7:20 AM 0.00 0.0 0.00 0.0 0.00
11/29/2017 7:15 AM 0.00 0.0 0.00 0.0 0.00
11/30/2017 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/1/2017 7:15 AM 0.06 0.0 0.00 0.0 0.00
12/4/2017 7:40 AM 0.00 0.0 0.00 0.0 0.00
12/5/2017 7:35 AM 0.00 0.0 0.00 0.0 0.00
12/6/2017 7:05 AM 0.87 0.0 0.00 0.0 0.00
12/7/2017 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/8/2017 7:10 AM 0.00 0.0 0.00 0.0 0.00
12/9/2017 8:00 AM 0.00 0.0 0.00 0.0 0.00
12/10/2017 8:10 AM 0.82 5.5 0.82 5.5 0.82 Sleet for several hours towards end of event.
12/16/2017 8:45 AM 0.01 T 0.01 M M
12/17/2017 7:00 AM 0.00 M M M M
12/18/2017 7:45 AM 0.00 0.0 0.00 2.8 0.36
12/19/2017 8:45 AM 0.00 0.0 0.00 M M
12/20/2017 7:15 AM 0.00 0.0 0.00 M M
12/21/2017 3:50 PM 0.00 0.0 0.00 M M
12/22/2017 7:45 AM 0.00 0.0 0.00 0.0 0.00
12/23/2017 9:00 AM 0.17 0.0 0.00 0.3 0.17 Freezing rain. Ground temp 25F. Depth total include trace amount of snow
12/24/2017 9:00 AM 0.54 M M M M
12/27/2017 8:55 AM 0.00 0.0 0.00 M M
12/28/2017 2:55 PM 0.00 0.0 0.00 M M
12/31/2017 10:00 AM 0.05 0.7 0.05 3.2 0.59 There is a 1/4” of ice under depth total that was not included in the measurement or melted core
1/1/2018 10:25 AM 0.00 0.0 0.00 M M
1/2/2018 8:00 AM 0.00 0.0 0.00 M M
1/3/2018 7:20 AM 0.00 0.0 0.00 M M
1/4/2018 7:15 AM T T T M M Snow just starting
1/5/2018 7:10 AM 1.60 16.0 1.60 18.0 M Snow depth measurement is an average due to lots of drifting.
1/12/2018 8:10 AM 0.00 0.0 0.00 M M
1/13/2018 8:05 AM 1.90 0.0 0.00 0.0 0.00 Snow pack is gone.
1/19/2018 7:25 AM 0.00 0.0 0.00 M M
1/25/2018 7:35 AM 0.00 0.0 0.00 0.0 0.00
1/28/2018 9:35 AM 0.06 0.0 0.00 0.0 0.00
1/29/2018 7:15 AM 0.00 0.0 0.00 0.0 0.00
1/30/2018 9:50 PM 0.22 3.8 0.22 3.8 0.22
1/31/2018 7:35 AM 0.00 0.0 0.00 M M
2/3/2018 9:10 AM 0.00 0.0 0.00 M M
2/18/2018 8:30 AM 0.61 5.0 0.61 5.0 0.61
2/24/2018 7:45 AM 0.24 0.0 0.00 0.0 0.00
2/27/2018 12:30 PM T 0.0 0.00 0.0 0.00
2/28/2018 7:10 AM 0.00 0.0 0.00 0.0 0.00
3/1/2018 7:10 AM 0.00 0.0 0.00 0.0 0.00
3/2/2018 7:15 AM 0.27 0.0 0.00 0.0 0.00
3/3/2018 8:50 AM 1.97 0.0 0.00 0.0 0.00 Total Event 2.24”
3/4/2018 11:05 AM 0.00 0.0 0.00 0.0 0.00
3/5/2018 7:15 AM 0.07 0.5 0.07 0.5 0.07 Note observation time is correct despite being entered at 23:15
3/11/2018 11:50 AM 0.00 M M M M
3/12/2018 1:55 PM 0.00 M M M M
3/13/2018 7:00 AM 0.00 M M M M
3/14/2018 7:20 AM 2.11 23.0 2.11 M M Measurement an average due to drifting of snow
3/15/2018 7:40 AM T T T M M
3/16/2018 7:10 AM 0.00 0.0 0.00 M M
3/17/2018 9:30 AM 0.00 0.0 0.00 M M
3/18/2018 9:05 AM 0.00 0.0 0.00 M M
3/19/2018 7:25 AM 0.00 0.0 0.00 M M
3/20/2018 7:25 AM 0.00 0.0 0.00 M M
3/21/2018 7:20 AM 0.00 0.0 0.00 M M
3/22/2018 11:30 AM 0.16 1.7 0.16 M M
3/23/2018 7:05 AM 0.00 0.0 0.00 M M Snow from yesterday is all gone.
3/24/2018 8:40 AM 0.00 0.0 0.00 M M
3/25/2018 8:40 AM T T T M M
3/26/2018 7:15 AM T T T M M
3/27/2018 7:05 AM 0.00 0.0 0.00 M M
3/28/2018 7:15 AM 0.02 0.0 0.00 M M
3/29/2018 7:00 AM 0.00 0.0 0.00 M M
3/31/2018 7:10 AM 0.06 0.0 0.00 M M
4/1/2018 10:00 AM T 0.0 0.00 0.0 0.00
4/2/2018 7:05 AM 0.00 0.0 0.00 0.0 0.00
4/3/2018 7:10 PM 0.15 0.0 0.00 0.0 0.00 The observation time is correct despite being entered at 8 PM.
4/4/2018 6:40 AM 0.63 0.0 0.00 0.0 0.00
4/5/2018 7:45 AM 0.22 0.0 0.00 0.0 0.00
4/6/2018 6:55 AM 0.00 0.0 0.00 0.0 0.00
4/7/2018 9:10 AM 0.27 1.5 0.27 1.5 0.27 Snow depth measurement taken at 6pm on 4/6 and has since melted at the time
4/10/2018 7:15 AM 0.00 0.0 0.00 0.0 0.00
4/11/2018 7:10 AM 0.02 M M M M Lots of frost on the cyclinder this morning.
4/12/2018 7:05 AM 0.00 0.0 0.00 0.0 0.00
4/13/2018 7:00 AM 0.07 0.0 0.00 0.0 0.00
4/14/2018 7:35 AM 0.01 0.0 0.00 0.0 0.00
4/15/2018 8:55 AM 0.00 0.0 0.00 0.0 0.00
4/16/2018 7:50 AM 0.51 0.0 0.00 0.0 0.00 At 11 pm last night there was 0.5” of sleet which has melted at the time of the measurement.
4/17/2018 7:05 AM 1.62 0.0 0.00 0.0 0.00
4/18/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/19/2018 7:20 AM 0.07 0.0 0.00 0.0 0.00 Sleet mixing in at times
4/20/2018 8:00 AM 0.18 0.0 0.00 0.0 0.00
4/21/2018 9:10 AM 0.00 0.0 0.00 0.0 0.00
4/26/2018 7:05 AM 1.04 0.0 0.00 0.0 0.00
4/29/2018 7:10 AM T 0.0 0.00 0.0 0.00
4/30/2018 7:00 AM 0.11 0.0 0.00 0.0 0.00
5/1/2018 7:20 AM 0.09 M M M M
5/2/2018 6:50 AM 0.00 0.0 0.00 0.0 0.00
5/3/2018 7:10 AM 0.00 0.0 0.00 0.0 0.00
5/4/2018 6:55 AM 0.03 0.0 0.00 0.0 0.00
5/7/2018 6:40 AM 0.33 0.0 0.00 0.0 0.00
5/10/2018 7:15 AM 0.00 0.0 0.00 0.0 0.00
5/13/2018 8:35 AM 0.21 0.0 0.00 0.0 0.00
5/16/2018 6:55 AM 0.49 0.0 0.00 0.0 0.00
5/17/2018 6:35 AM 0.02 0.0 0.00 0.0 0.00
5/20/2018 10:00 AM 0.27 M M M M
5/26/2018 6:55 AM 0.00 M M M M
5/27/2018 9:00 AM 0.04 M M M M
5/28/2018 9:35 AM 0.09 M M M M
5/31/2018 8:00 AM 0.00 M M M M
6/1/2018 7:00 AM 0.00 M M M M
6/2/2018 7:45 AM 0.01 M M M M
6/3/2018 11:45 AM 0.00 M M M M
6/4/2018 6:50 AM 0.03 M M M M
6/5/2018 8:00 AM 0.58 M M M M
6/6/2018 7:00 AM 0.31 M M M M
6/15/2018 7:00 AM T M M M M
6/16/2018 8:35 AM 0.03 M M M M
6/17/2018 6:30 AM 0.00 M M M M
6/18/2018 7:25 AM 0.00 M M M M
6/19/2018 7:00 AM 0.05 M M M M
6/20/2018 6:50 AM 0.00 M M M M
6/21/2018 6:55 AM 0.00 M M M M
6/24/2018 6:15 AM 0.04 M M M M
6/25/2018 6:05 AM 0.51 M M M M
6/26/2018 7:20 AM 0.00 M M M M
6/27/2018 7:10 AM 0.00 M M M M
6/28/2018 6:15 AM 0.20 M M M M
6/29/2018 5:15 AM 1.24 M M M M
6/30/2018 7:55 AM 0.00 M M M M
7/1/2018 7:30 AM 0.00 M M M M
7/4/2018 7:30 AM 0.00 M M M M
7/5/2018 6:20 AM 0.00 M M M M
7/6/2018 7:55 AM 0.00 M M M M
7/7/2018 7:45 AM 0.88 M M M M Most of the precip fell during a strong storm from 11:30 am to 12:15 pm.
7/15/2018 8:00 AM 0.01 M M M M
7/16/2018 2:45 PM 0.00 M M M M
7/17/2018 6:10 AM 0.03 M M M M All precip took place from a single heavy 5 minute shower around 3PM EST on 6/16
7/18/2018 7:20 AM 2.14 M M M M
7/25/2018 7:20 AM 0.12 M M M M Very localized heavy shower from 7:00 to 7:15 am
7/26/2018 7:10 AM 1.32 M M M M
7/27/2018 7:20 AM 0.64 M M M M
7/31/2018 7:40 AM 0.00 M M M M
8/1/2018 8:15 AM 0.00 M M M M
8/4/2018 7:30 AM 0.22 M M M M
8/5/2018 8:45 AM 1.27 M M M M
8/6/2018 2:30 PM 0.00 M M M M
8/7/2018 7:55 AM 0.00 M M M M
8/8/2018 6:40 AM 0.00 M M M M
8/9/2018 7:30 AM 0.82 M M M M
8/12/2018 7:55 AM 0.66 M M M M
8/13/2018 7:15 AM 0.12 M M M M
8/14/2018 7:15 AM 0.32 M M M M
8/15/2018 7:25 AM 0.32 M M M M
8/18/2018 8:00 AM 0.11 M M M M
8/19/2018 7:55 PM 0.50 M M M M
8/20/2018 6:25 AM 0.04 M M M M
8/21/2018 7:15 AM 0.00 M M M M
8/22/2018 7:20 AM 0.11 M M M M A good steady moderate rain for the past hour
8/23/2018 7:05 AM 0.35 M M M M
8/27/2018 7:05 AM 0.00 M M M M
8/31/2018 6:20 AM 0.00 M M M M
9/1/2018 7:10 AM 0.00 M M M M
9/6/2018 7:00 AM 0.00 M M M M
9/7/2018 6:20 AM 1.16 M M M M Most rain fell during heavy thunderstorms from about 4:30 to 5:30
9/8/2018 8:20 AM 0.01 M M M M
9/9/2018 9:15 PM 0.00 M M M M
9/10/2018 6:25 AM 0.00 M M M M
9/11/2018 6:15 AM 1.48 M M M M
9/12/2018 6:20 AM 0.03 M M M M
9/13/2018 6:05 AM 1.23 M M M M
9/14/2018 6:30 AM T M M M M
9/17/2018 7:15 AM 0.00 M M M M
9/18/2018 6:45 AM 0.16 M M M M
9/19/2018 6:20 AM 0.93 M M M M
9/26/2018 6:20 AM 2.52 M M M M
9/27/2018 6:15 AM 0.42 M M M M
9/28/2018 6:30 AM 0.11 M M M M
9/29/2018 7:30 AM 0.57 M M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
10/2/2017 10/03/2017 6:35 AM 2 0.00 M M
10/4/2017 10/06/2017 6:45 AM 3 0.00 0.0 0.00
10/19/2017 10/20/2017 6:50 AM 2 0.00 0.0 0.00
10/28/2017 10/29/2017 9:15 AM 2 0.00 0.0 0.00
11/3/2017 11/04/2017 9:05 AM 2 T 0.0 0.00
11/7/2017 11/08/2017 7:00 AM 2 0.22 0.0 0.00 On my drive back home from Logan airport at 11:30 PM last night, snow showers from route 95 to Holliston (Gauge location)
11/22/2017 11/23/2017 6:30 AM 2 0.83 0.0 0.00
11/25/2017 11/26/2017 9:15 AM 2 0.00 0.0 0.00
12/2/2017 12/03/2017 7:00 AM 2 0.00 0.0 0.00
12/11/2017 12/15/2017 7:00 AM 5 0.18 M M
12/25/2017 12/26/2017 10:30 AM 2 0.68 3.0 3.00
12/29/2017 12/30/2017 10:15 AM 2 0.00 M M
1/6/2018 1/07/2018 11:15 AM 2 0.00 M M
1/8/2018 1/09/2018 7:15 AM 2 T T M
1/10/2018 1/11/2018 7:15 AM 2 0.00 0.0 M
1/14/2018 1/16/2018 7:10 AM 3 0.01 M M
1/17/2018 1/18/2018 7:20 AM 2 0.22 2.6 2.60
1/20/2018 1/21/2018 10:35 AM 2 0.00 0.0 M
1/23/2018 1/24/2018 6:45 AM 2 1.16 0.0 0.00
1/26/2018 1/27/2018 9:10 AM 2 0.00 0.0 0.00
2/1/2018 2/02/2018 7:00 AM 2 0.31 0.1 0.10
2/4/2018 2/17/2018 7:50 PM 14 2.24 M M
2/19/2018 2/23/2018 11:55 AM 5 0.19 M M
2/25/2018 2/26/2018 7:15 AM 2 0.54 0.0 0.00
3/6/2018 3/07/2018 7:10 AM 2 0.02 0.1 0.10
3/8/2018 3/10/2018 8:00 AM 3 1.37 M M
4/8/2018 4/09/2018 7:10 AM 2 0.00 0.0 0.00
4/22/2018 4/23/2018 7:10 AM 2 0.00 0.0 0.00
4/24/2018 4/25/2018 7:05 AM 2 0.05 0.0 0.00
4/27/2018 4/28/2018 9:00 AM 2 0.34 0.0 0.00
5/5/2018 5/06/2018 7:55 AM 2 T 0.0 0.00
5/8/2018 5/09/2018 7:05 AM 2 0.00 0.0 0.00
5/11/2018 5/12/2018 8:20 AM 2 0.00 0.0 0.00
5/14/2018 5/15/2018 5:45 AM 2 0.00 0.0 0.00
5/18/2018 5/19/2018 8:45 AM 2 T M M
5/21/2018 5/25/2018 8:15 PM 5 0.10 M M
5/29/2018 5/30/2018 7:15 AM 2 0.00 M M
6/7/2018 6/08/2018 6:55 AM 2 T M M
6/9/2018 6/10/2018 6:40 AM 2 0.00 M M
6/11/2018 6/12/2018 7:30 AM 2 0.00 M M
6/13/2018 6/14/2018 6:55 AM 2 0.03 M M
6/22/2018 6/23/2018 7:50 AM 2 0.00 M M
7/2/2018 7/03/2018 7:05 AM 2 0.00 M M
7/8/2018 7/14/2018 1:35 PM 7 0.58 M M
7/19/2018 7/23/2018 7:00 PM 5 0.65 M M
7/28/2018 7/30/2018 6:15 AM 3 T M M
8/2/2018 8/03/2018 7:50 AM 2 0.11 M M
8/10/2018 8/11/2018 8:00 AM 2 0.03 M M
8/16/2018 8/17/2018 7:45 AM 2 0.00 M M
8/24/2018 8/26/2018 7:20 AM 3 0.00 M M
8/28/2018 8/30/2018 6:10 AM 3 0.00 M M
9/2/2018 9/03/2018 9:00 AM 2 0.00 M M
9/4/2018 9/05/2018 6:40 AM 2 0.00 M M
9/15/2018 9/16/2018 7:40 AM 2 0.01 M M
9/20/2018 9/22/2018 7:30 AM 3 0.15 M M
9/23/2018 9/25/2018 6:25 AM 3 0.00 M M
9/30/2018 10/01/2018 6:25 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