Station Overview Station Location
Station Number MA-BR-55 Latitude 41.956285
Station Name NWS Boston/Norton 2.5 ESE Longitude -71.139282
County Bristol Elevation (ft) 93



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 4.30 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Nov 17 4.67 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Dec 17 4.46 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Jan 18 4.06 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Feb 18 3.58 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
March 18 4.95 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
April 18 4.59 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
May 18 3.75 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
June 18 3.82 2.08 15 2.08 15 0.00 0 0 4 2 0.0 0 0
July 18 3.75 3.18 31 3.18 31 0.00 0 0 9 1 0.0 0 0
Aug 18 3.88 4.95 31 4.95 31 0.00 0 0 12 4 0.0 0 0
Sept 18 3.95 11.17 30 11.17 30 0.00 0 0 13 1 0.0 0 0
Water Year Totals: 49.76" 21.38" 107 days 21.38" 107 0.00" 0 days 0 38 days 8 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
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
4/19/2018
4/20/2018
4/21/2018
4/22/2018
4/23/2018
4/24/2018
4/25/2018
4/26/2018
4/27/2018
4/28/2018
4/29/2018
4/30/2018
5/1/2018
5/2/2018
5/3/2018
5/4/2018
5/5/2018
5/6/2018
5/7/2018
5/8/2018
5/9/2018
5/10/2018
5/11/2018
5/12/2018
5/13/2018
5/14/2018
5/15/2018
5/16/2018
5/17/2018
5/18/2018
5/19/2018
5/20/2018
5/21/2018
5/22/2018
5/23/2018
5/24/2018
5/25/2018
5/26/2018
5/27/2018
5/28/2018
5/29/2018
5/30/2018
5/31/2018
6/1/2018
6/2/2018
6/3/2018
6/4/2018
6/5/2018
6/6/2018
6/7/2018
6/8/2018
6/9/2018
6/10/2018
6/11/2018
6/12/2018 0.00
6/13/2018 0.00
6/14/2018 T
6/15/2018 0.00
6/16/2018 0.02
6/17/2018 0.00
6/18/2018 0.00
6/19/2018 0.17
6/20/2018 0.00
6/21/2018 0.00
6/22/2018 0.00
6/23/2018 0.00
6/24/2018 T
6/25/2018 0.20
6/26/2018
6/27/2018
6/28/2018
6/29/2018 1.69
6/30/2018
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 0.00
7/7/2018 1.10
7/8/2018 0.00
7/9/2018 0.00
7/10/2018 0.00
7/11/2018 0.13
7/12/2018 0.00
7/13/2018 0.00
7/14/2018 0.00
7/15/2018 0.00
7/16/2018 0.00
7/17/2018 0.00
7/18/2018 0.98
7/19/2018 0.00
7/20/2018 0.00
7/21/2018 0.00
7/22/2018 0.03
7/23/2018 0.26
7/24/2018 0.03
7/25/2018 T
7/26/2018 0.24
7/27/2018 0.39
7/28/2018 0.02
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 T
8/5/2018 1.55
8/6/2018 0.00
8/7/2018 0.00
8/8/2018 0.00
8/9/2018 0.04
8/10/2018 T
8/11/2018 0.88
8/12/2018 0.47
8/13/2018 0.66
8/14/2018 0.27
8/15/2018 0.01
8/16/2018 0.00
8/17/2018 0.00
8/18/2018 0.01
8/19/2018 0.57
8/20/2018 T
8/21/2018 0.00
8/22/2018 0.18
8/23/2018 0.30
8/24/2018 0.01
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 0.52
9/8/2018 T
9/9/2018 0.00
9/10/2018 0.00
9/11/2018 0.87
9/12/2018 0.11
9/13/2018 3.30
9/14/2018 0.02
9/15/2018 0.00
9/16/2018 0.00
9/17/2018 0.00
9/18/2018 0.03
9/19/2018 1.39
9/20/2018 0.01
9/21/2018 0.00
9/22/2018 0.02
9/23/2018 0.00
9/24/2018 0.00
9/25/2018 0.00
9/26/2018 4.12
9/27/2018 0.31
9/28/2018 0.02
9/29/2018 0.45
9/30/2018 0.00



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
6/12/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00 First observation from the NWS Boston/Norton office.
6/13/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00 Partly cloudy at observation.
6/14/2018 7:00 AM T 0.0 0.00 0.0 0.00 Brief light shower late yesterday morning.
6/15/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/16/2018 7:00 AM 0.02 0.0 0.00 0.0 0.00
6/17/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/18/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/19/2018 7:00 AM 0.17 0.0 0.00 0.0 0.00 Showers during the evening, then a few more overnight.
6/20/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/21/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/22/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/23/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/24/2018 7:00 AM T 0.0 0.00 0.0 0.00
6/25/2018 7:00 AM 0.20 0.0 0.00 0.0 0.00
6/29/2018 7:00 AM 1.69 0.0 0.00 0.0 0.00
7/1/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/2/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
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 7:00 AM 0.00 0.0 M M M
7/7/2018 7:00 AM 1.10 0.0 0.00 0.0 0.00
7/8/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/9/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00 Clear skies at observation.
7/10/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00 Clear skies at observation.
7/11/2018 7:00 AM 0.13 0.0 0.00 0.0 0.00 Thunderstorm overnight.
7/12/2018 7:00 AM 0.00 0.0 M M M
7/13/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00 Foggy
7/14/2018 7:00 AM 0.00 0.0 M M M
7/15/2018 7:00 AM 0.00 0.0 M M M
7/16/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00 Mostly clear.
7/17/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/18/2018 7:00 AM 0.98 0.0 0.00 0.0 0.00
7/19/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/20/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/21/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/22/2018 7:00 AM 0.03 0.0 0.00 0.0 0.00 Showers early this morning.
7/23/2018 7:00 AM 0.26 0.0 0.00 0.0 0.00 Showers yesterday and overnight.
7/24/2018 7:00 AM 0.03 0.0 0.00 0.0 0.00
7/25/2018 7:00 AM T 0.0 0.00 0.0 0.00
7/26/2018 7:00 AM 0.24 0.0 0.00 0.0 0.00
7/27/2018 7:00 AM 0.39 0.0 0.00 0.0 0.00
7/28/2018 7:00 AM 0.02 0.0 0.00 0.0 0.00
7/29/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/30/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/31/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/1/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/2/2018 7:00 AM T 0.0 0.00 0.0 0.00
8/3/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/4/2018 7:00 AM T 0.0 0.00 0.0 0.00
8/5/2018 7:00 AM 1.55 0.0 0.00 0.0 0.00 Heaviest rain fell from late morning into early afternoon.
8/6/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/7/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/8/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/9/2018 7:00 AM 0.04 0.0 0.00 0.0 0.00
8/10/2018 7:00 AM T 0.0 0.00 0.0 0.00
8/11/2018 7:00 AM 0.88 0.0 0.00 0.0 0.00
8/12/2018 7:00 AM 0.47 0.0 0.00 0.0 0.00
8/13/2018 7:00 AM 0.66 0.0 0.00 0.0 0.00
8/14/2018 7:00 AM 0.27 0.0 0.00 0.0 0.00
8/15/2018 7:00 AM 0.01 M 0.00 0.0 0.00 Brief afternoon shower.
8/16/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/17/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/18/2018 7:00 AM 0.01 0.0 0.00 0.0 0.00 Brief shower yesterday.
8/19/2018 7:00 AM 0.57 0.0 0.00 0.0 0.00 Showers and thunderstorms late yesterday afternoon.
8/20/2018 7:00 AM T 0.0 0.00 0.0 0.00 Brief shower overnight.
8/21/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/22/2018 7:00 AM 0.18 0.0 0.00 0.0 0.00
8/23/2018 7:00 AM 0.30 0.0 0.00 0.0 0.00
8/24/2018 7:00 AM 0.01 0.0 0.00 0.0 0.00
8/25/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/26/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/27/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/28/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/29/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/30/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/31/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/1/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/2/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/3/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/4/2018 7:00 AM 0.00 0.0 M M M
9/5/2018 7:00 AM 0.00 0.0 M M M
9/6/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/7/2018 7:00 AM 0.52 0.0 0.00 0.0 0.00 Late afternoon thunderstorms.
9/8/2018 7:00 AM T 0.0 0.00 0.0 0.00 Few sprinkles.
9/9/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/10/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/11/2018 7:00 AM 0.87 0.0 0.00 0.0 0.00
9/12/2018 7:00 AM 0.11 0.0 0.00 0.0 0.00
9/13/2018 7:00 AM 3.30 0.0 0.00 0.0 0.00
9/14/2018 7:00 AM 0.02 0.0 0.00 0.0 0.00
9/15/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00 T of dew in gauge.
9/16/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00 0.01" of dew in the rain gauge
9/17/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/18/2018 7:00 AM 0.03 0.0 0.00 0.0 0.00
9/19/2018 7:00 AM 1.39 0.0 0.00 0.0 0.00
9/20/2018 7:00 AM 0.01 0.0 0.00 0.0 0.00
9/21/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/22/2018 7:00 AM 0.02 0.0 0.00 0.0 0.00
9/23/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/24/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/25/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/26/2018 7:00 AM 4.12 0.0 0.00 0.0 0.00 Heaviest rain fell during the night.
9/27/2018 7:00 AM 0.31 0.0 0.00 0.0 0.00 Few showers during the day, then showers/thunderstorms at night.
9/28/2018 7:00 AM 0.02 0.0 0.00 0.0 0.00
9/29/2018 7:00 AM 0.45 0.0 0.00 0.0 0.00 Rain yesterday morning, then drizzle in the afternoon.
9/30/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00 Clear skies. Low was 45 degrees this morning.



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes



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