Station Overview Station Location
Station Number MA-SF-17 Latitude 42.28861
Station Name Dorchester 1.8 ENE Longitude -71.04957
County Suffolk Elevation (ft) 9



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 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Nov 17 4.57 1.84 25 0.43 8 1.41 17 4 2 0 0.0 0 0
Dec 17 4.42 1.26 32 0.66 5 0.60 27 3 2 0 4.3 1 0
Jan 18 3.84 4.86 22 4.62 13 0.24 9 2 6 0 0.0 0 0
Feb 18 3.71 1.70 9 0.94 3 0.76 6 2 1 0 0.0 0 0
March 18 4.81 4.12 20 4.12 13 0.00 7 2 9 1 5.2 1 0
April 18 4.43 5.19 26 1.81 8 3.38 18 1 7 0 0.0 0 0
May 18 3.81 2.62 31 0.83 13 1.79 18 4 6 1 0.0 0 0
June 18 4.08 3.20 30 0.34 8 2.86 22 6 1 0 0.0 0 0
July 18 3.88 3.64 31 3.29 20 0.35 11 3 5 1 0.0 0 0
Aug 18 3.83 5.29 31 4.25 26 1.04 5 2 8 2 0.0 0 0
Sept 18 3.77 6.98 27 6.39 25 0.59 2 1 10 0 0.0 0 0
Water Year Totals: 49.47" 40.70" 284 days 27.68" 142 13.02" 142 days 30 57 days 5 days 9.5" 2 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 0.00
11/7/2017 **
11/8/2017 0.22
11/9/2017 0.00
11/10/2017 0.05
11/11/2017 0.00
11/12/2017 0.00
11/13/2017 0.00
11/14/2017 **
11/15/2017 0.18
11/16/2017 **
11/17/2017 0.16
11/18/2017 0.00
11/19/2017 0.38
11/20/2017 **
11/21/2017 **
11/22/2017 **
11/23/2017 **
11/24/2017 **
11/25/2017 **
11/26/2017 **
11/27/2017 0.85
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 0.60
12/9/2017 0.00
12/10/2017 0.61
12/11/2017 0.00
12/12/2017 0.00
12/13/2017 0.05
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 0.00
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 0.02
1/3/2018
1/4/2018
1/5/2018 1.38
1/6/2018 0.00
1/7/2018 0.00
1/8/2018 0.00
1/9/2018
1/10/2018
1/11/2018
1/12/2018
1/13/2018 1.81
1/14/2018 **
1/15/2018 **
1/16/2018 **
1/17/2018 **
1/18/2018 **
1/19/2018 **
1/20/2018 0.22
1/21/2018
1/22/2018 0.01
1/23/2018 0.10
1/24/2018 1.27
1/25/2018 0.00
1/26/2018 0.00
1/27/2018 0.00
1/28/2018 0.05
1/29/2018 0.00
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 0.94
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 0.54
2/27/2018 0.00
2/28/2018 0.00
3/1/2018 T
3/2/2018 1.15
3/3/2018 1.14
3/4/2018 0.01
3/5/2018
3/6/2018 0.00
3/7/2018 0.01
3/8/2018 1.48
3/9/2018 **
3/10/2018 0.00
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 0.00
3/22/2018 0.22
3/23/2018 0.01
3/24/2018 0.09
3/25/2018 **
3/26/2018 T
3/27/2018 0.00
3/28/2018 0.01
3/29/2018 **
3/30/2018 **
3/31/2018 **
Day of YearDaily PrcpMultiday Prcp
4/1/2018 **
4/2/2018 **
4/3/2018 **
4/4/2018 **
4/5/2018 **
4/6/2018 **
4/7/2018 **
4/8/2018 **
4/9/2018 **
4/10/2018 **
4/11/2018 **
4/12/2018 **
4/13/2018 **
4/14/2018 **
4/15/2018 **
4/16/2018 **
4/17/2018 **
4/18/2018 3.38
4/19/2018
4/20/2018 0.20
4/21/2018
4/22/2018
4/23/2018
4/24/2018 0.00
4/25/2018 0.10
4/26/2018 0.88
4/27/2018 0.04
4/28/2018 0.50
4/29/2018 0.02
4/30/2018 0.07
5/1/2018 0.23
5/2/2018 T
5/3/2018 **
5/4/2018 0.05
5/5/2018 **
5/6/2018 **
5/7/2018 0.19
5/8/2018 0.00
5/9/2018 0.00
5/10/2018 0.02
5/11/2018 **
5/12/2018 **
5/13/2018 **
5/14/2018 **
5/15/2018 **
5/16/2018 **
5/17/2018 1.41
5/18/2018 0.00
5/19/2018 0.00
5/20/2018 0.28
5/21/2018 0.08
5/22/2018 0.00
5/23/2018 0.05
5/24/2018 0.17
5/25/2018 **
5/26/2018 **
5/27/2018 **
5/28/2018 **
5/29/2018 **
5/30/2018 0.14
5/31/2018 0.00
6/1/2018 0.00
6/2/2018 **
6/3/2018 0.08
6/4/2018 **
6/5/2018 **
6/6/2018 **
6/7/2018 0.97
6/8/2018 0.00
6/9/2018 **
6/10/2018 **
6/11/2018 **
6/12/2018 **
6/13/2018 0.00
6/14/2018 0.00
6/15/2018 **
6/16/2018 **
6/17/2018 **
6/18/2018 0.00
6/19/2018 0.34
6/20/2018 0.00
6/21/2018 0.00
6/22/2018 0.00
6/23/2018 **
6/24/2018 **
6/25/2018 **
6/26/2018 0.34
6/27/2018 0.00
6/28/2018 **
6/29/2018 1.47
6/30/2018 **
Day of YearDaily PrcpMultiday Prcp
7/1/2018 **
7/2/2018 **
7/3/2018 **
7/4/2018 **
7/5/2018 0.00
7/6/2018 0.00
7/7/2018 0.34
7/8/2018 0.00
7/9/2018 0.00
7/10/2018 0.00
7/11/2018 0.73
7/12/2018 0.00
7/13/2018 0.00
7/14/2018 **
7/15/2018 **
7/16/2018 **
7/17/2018 0.01
7/18/2018 1.80
7/19/2018 0.00
7/20/2018 0.00
7/21/2018 0.00
7/22/2018 **
7/23/2018 0.34
7/24/2018 0.00
7/25/2018 0.00
7/26/2018 0.14
7/27/2018 0.28
7/28/2018 T
7/29/2018 0.00
7/30/2018 0.00
7/31/2018 0.00
8/1/2018 0.00
8/2/2018 T
8/3/2018 0.00
8/4/2018 0.78
8/5/2018 1.39
8/6/2018 0.00
8/7/2018 0.00
8/8/2018 0.00
8/9/2018 1.29
8/10/2018 0.05
8/11/2018 0.00
8/12/2018 **
8/13/2018 1.04
8/14/2018 0.28
8/15/2018 0.01
8/16/2018 0.00
8/17/2018 0.00
8/18/2018 **
8/19/2018 **
8/20/2018 M
8/21/2018 0.00
8/22/2018 0.37
8/23/2018 0.08
8/24/2018 T
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 0.00
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 0.29
9/8/2018 0.02
9/9/2018 0.00
9/10/2018 0.00
9/11/2018 1.34
9/12/2018
9/13/2018 1.39
9/14/2018 0.01
9/15/2018 0.00
9/16/2018 0.00
9/17/2018 0.00
9/18/2018
9/19/2018 1.24
9/20/2018
9/21/2018 0.01
9/22/2018 0.09
9/23/2018 0.00
9/24/2018 0.00
9/25/2018 0.00
9/26/2018 1.51
9/27/2018 0.49
9/28/2018 **
9/29/2018 0.59
9/30/2018 0.00



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
11/6/2017 7:20 AM 0.00 0.0 M M M
11/9/2017 7:00 AM 0.00 0.0 M M M
11/10/2017 8:00 AM 0.05 M M M M
11/11/2017 8:00 AM 0.00 0.0 M M M
11/12/2017 8:00 AM 0.00 0.0 M M M
11/13/2017 8:00 AM 0.00 0.0 M M M
11/18/2017 8:00 AM 0.00 0.0 M M M
11/19/2017 12:00 PM 0.38 M M M M
12/9/2017 8:00 AM 0.00 0.0 M M M
12/10/2017 9:00 AM 0.61 4.3 0.61 M M
12/11/2017 8:00 AM 0.00 0.0 M M M
12/12/2017 8:00 AM 0.00 0.0 M M M
12/13/2017 8:00 AM 0.05 M M M M
1/5/2018 8:00 AM 1.38 M M M M Took awhile to dig out the drifts and get to the gauge.
1/6/2018 8:00 AM 0.00 0.0 M M M
1/7/2018 8:00 AM 0.00 0.0 M M M
1/8/2018 8:00 AM 0.00 0.0 M M M
1/13/2018 8:00 AM 1.81 M M M M
1/22/2018 8:00 AM 0.01 M M M M
1/23/2018 7:00 AM 0.10 M M M M
1/24/2018 8:00 AM 1.27 M M M M
1/25/2018 8:00 AM 0.00 M M M M
1/26/2018 8:00 AM 0.00 M M M M
1/27/2018 8:00 AM 0.00 0.0 M M M
1/28/2018 11:00 AM 0.05 M M M M
1/29/2018 8:00 AM 0.00 M M M M
2/12/2018 8:00 AM 0.94 M M M M
2/27/2018 8:00 AM 0.00 M M M M
2/28/2018 8:00 AM 0.00 M M M M
3/1/2018 8:00 AM T M M M M
3/2/2018 11:38 AM 1.15 M M M M
3/3/2018 8:00 AM 1.14 M M M M Storm total: 2.29
3/4/2018 8:00 AM 0.01 M M M M
3/6/2018 8:00 AM 0.00 M M M M
3/7/2018 10:45 AM 0.01 M M M M
3/8/2018 9:30 AM 1.48 5.2 0.91 M M
3/21/2018 8:00 AM 0.00 M M M M
3/22/2018 11:00 AM 0.22 M M M M
3/23/2018 8:00 AM 0.01 M M M M
3/24/2018 8:00 AM 0.09 M M M M
3/27/2018 8:00 AM 0.00 M M M M
3/28/2018 8:00 AM 0.01 M M M M
4/20/2018 8:00 AM 0.20 M M M M
4/24/2018 8:00 AM 0.00 M M M M
4/25/2018 8:00 AM 0.10 M M M M
4/26/2018 8:00 AM 0.88 M M M M
4/27/2018 8:00 AM 0.04 M M M M
4/28/2018 8:00 AM 0.50 M M M M
4/29/2018 8:00 AM 0.02 M M M M
4/30/2018 2:15 PM 0.07 M M M M
5/1/2018 8:00 AM 0.23 M M M M
5/2/2018 8:00 AM T M M M M
5/8/2018 8:00 AM 0.00 M M M M
5/9/2018 8:00 AM 0.00 M M M M
5/10/2018 8:00 AM 0.02 M M M M
5/18/2018 8:00 AM 0.00 M M M M
5/19/2018 8:00 AM 0.00 M M M M
5/20/2018 8:00 AM 0.28 M M M M
5/21/2018 8:00 AM 0.08 M M M M
5/22/2018 8:00 AM 0.00 M M M M
5/23/2018 8:00 AM 0.05 M M M M
5/24/2018 8:00 AM 0.17 M M M M
5/31/2018 8:00 AM 0.00 M M M M
6/1/2018 8:00 AM 0.00 M M M M
6/8/2018 8:00 AM 0.00 M M M M
6/14/2018 8:00 AM 0.00 M M M M
6/19/2018 8:00 AM 0.34 M M M M
6/20/2018 8:00 AM 0.00 M M M M
6/21/2018 8:00 AM 0.00 M M M M
6/22/2018 8:00 AM 0.00 M M M M
6/27/2018 8:00 AM 0.00 M M M M
7/6/2018 8:00 AM 0.00 M M M M
7/7/2018 8:00 AM 0.34 M M M M
7/8/2018 8:00 AM 0.00 M M M M
7/9/2018 8:00 AM 0.00 M M M M
7/10/2018 8:00 AM 0.00 M M M M
7/11/2018 8:00 AM 0.73 M M M M
7/12/2018 8:00 AM 0.00 0.0 M M M
7/13/2018 8:00 AM 0.00 0.0 M M M
7/18/2018 8:00 AM 1.80 M M M M
7/19/2018 8:00 AM 0.00 M M M M
7/20/2018 8:00 AM 0.00 M M M M
7/21/2018 8:00 AM 0.00 M M M M
7/24/2018 8:00 AM 0.00 M M M M
7/25/2018 8:00 AM 0.00 M M M M
7/26/2018 11:15 AM 0.14 M M M M
7/27/2018 8:00 AM 0.28 M M M M
7/28/2018 8:00 AM T M M M M
7/29/2018 8:00 AM 0.00 M M M M
7/30/2018 8:00 AM 0.00 M M M M
7/31/2018 8:00 AM 0.00 M M M M
8/1/2018 8:00 AM 0.00 M M M M
8/2/2018 8:00 AM T M M M M
8/3/2018 8:00 AM 0.00 M M M M
8/4/2018 8:00 AM 0.78 M M M M From one cell that came through at appx. 1400
8/5/2018 8:00 AM 1.39 M M M M
8/6/2018 8:00 AM 0.00 0.0 M M M
8/7/2018 8:00 AM 0.00 M M M M
8/8/2018 8:00 AM 0.00 M M M M
8/9/2018 11:00 AM 1.29 M M M M
8/10/2018 8:00 AM 0.05 M M M M
8/11/2018 8:00 AM 0.00 M M M M
8/14/2018 11:15 AM 0.28 M M M M
8/15/2018 8:00 AM 0.01 M M M M
8/16/2018 8:00 AM 0.00 M M M M
8/17/2018 8:00 AM 0.00 M M M M
8/21/2018 8:00 AM 0.00 M M M M
8/22/2018 11:00 AM 0.37 M M M M Fell during the morning storms. Had I not slept in and done an early morning observation, this reading would most likely have been included in tomorrow's observation.
8/23/2018 8:00 AM 0.08 M M M M
8/24/2018 8:00 AM T M M M M
8/25/2018 8:00 AM 0.00 M M M M
8/26/2018 8:00 AM 0.00 M M M M
8/27/2018 8:00 AM 0.00 M M M M
8/28/2018 8:00 AM 0.00 M M M M
8/29/2018 8:00 AM 0.00 M M M M
8/30/2018 8:00 AM 0.00 M M M M
8/31/2018 8:00 AM 0.00 M M M M
9/1/2018 8:00 AM 0.00 M M M M
9/2/2018 8:00 AM 0.00 M M M M
9/3/2018 8:00 AM 0.00 M M M M
9/4/2018 8:00 AM 0.00 M M M M
9/5/2018 8:00 AM 0.00 M M M M
9/6/2018 8:00 AM 0.00 M M M M
9/7/2018 8:00 AM 0.29 M M M M
9/8/2018 8:00 AM 0.02 M M M M
9/9/2018 8:00 AM 0.00 M M M M
9/10/2018 8:00 AM 0.00 M M M M
9/11/2018 6:50 AM 1.34 M M M M
9/13/2018 7:00 AM 1.39 M M M M
9/14/2018 8:00 AM 0.01 M M M M
9/15/2018 8:00 AM 0.00 M M M M
9/16/2018 8:00 AM 0.00 M M M M
9/17/2018 8:00 AM 0.00 M M M M
9/19/2018 8:00 AM 1.24 M M M M
9/21/2018 8:00 AM 0.01 M M M M
9/22/2018 8:00 AM 0.09 M M M M
9/23/2018 8:00 AM 0.00 M M M M
9/24/2018 8:00 AM 0.00 M M M M
9/25/2018 8:00 AM 0.00 M M M M
9/26/2018 8:00 AM 1.51 M M M M
9/27/2018 8:00 AM 0.49 M M M M
9/30/2018 8:00 AM 0.00 M M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
11/7/2017 11/08/2017 6:50 AM 2 0.22 M M
11/14/2017 11/15/2017 8:00 AM 2 0.18 M M
11/16/2017 11/17/2017 8:00 AM 2 0.16 M M
11/20/2017 11/27/2017 8:00 AM 8 0.85 M M
11/28/2017 12/08/2017 8:00 AM 11 0.60 M M
12/14/2017 12/18/2017 8:00 AM 5 0.00 M M Not accurate. I was on vacation and anything in the tube evaporated.
12/18/2017 12/22/2017 8:00 AM 5 0.00 M M
12/23/2017 1/02/2018 8:00 AM 11 0.02 M M
1/14/2018 1/20/2018 8:00 AM 7 0.22 M M
2/22/2018 2/24/2018 8:00 AM 3 0.22 M M
2/24/2018 2/26/2018 8:00 AM 3 0.54 M M
3/9/2018 3/10/2018 8:00 AM 2 0.00 M M
3/25/2018 3/26/2018 8:00 AM 2 T M M
3/29/2018 4/18/2018 6:00 AM 21 3.38 M M
5/3/2018 5/04/2018 8:00 AM 2 0.05 M M
5/5/2018 5/07/2018 7:00 AM 3 0.19 M M
5/11/2018 5/17/2018 8:00 AM 7 1.41 M M
5/25/2018 5/30/2018 8:00 AM 6 0.14 M M
6/2/2018 6/03/2018 8:00 AM 2 0.08 M M
6/4/2018 6/07/2018 8:00 AM 4 0.97 M M
6/9/2018 6/13/2018 8:00 AM 5 0.00 M M
6/15/2018 6/18/2018 8:00 AM 4 0.00 M M
6/23/2018 6/26/2018 8:00 AM 4 0.34 M M
6/28/2018 6/29/2018 8:00 AM 2 1.47 M M
6/30/2018 7/05/2018 8:00 AM 6 0.00 M M
7/14/2018 7/17/2018 8:00 AM 4 0.01 M M
7/22/2018 7/23/2018 8:30 PM 2 0.34 M M
8/12/2018 8/13/2018 8:47 AM 2 1.04 M M
8/18/2018 8/20/2018 11:00 AM 3 M M M {EDIT: Observer reported 33.00 for multi-day precip. This appears to be a decimal typo. Changed report of 33.00 to NA until observer can be contacted to verify. Submission Time Before EDIT: 8/20/2018 11:13 AM CoCoSTAFF DNT}
9/28/2018 9/29/2018 8:00 AM 2 0.59 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