Station Overview Station Location
Station Number MA-WR-18 Latitude 42.303674
Station Name Northborough 0.6 SSE Longitude -71.646224
County Worcester Elevation (ft) 300



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 14 4.31 5.59 398 1.67 24 3.92 374 3 9 2 0.0 0 0
Nov 14 4.11 4.25 60 1.18 19 3.07 41 3 3 2 0.0 0 1
Dec 14 4.05 4.59 57 1.83 18 2.76 39 2 4 3 0.0 0 1
Jan 15 3.57 1.15 58 0.00 7 1.15 51 2 0 1 0.0 0 0
Feb 15 3.41 0.00 56 0.00 0 0.00 56 0 0 0 0.0 0 0
March 15 4.31 5.42 45 0.00 2 5.42 43 1 0 1 0.0 0 1
April 15 4.28 0.00 30 0.00 0 0.00 30 0 0 0 0.0 0 0
May 15 3.83 0.32 41 0.32 10 0.00 31 0 2 1 0.0 0 0
June 15 3.99 7.66 60 4.25 22 3.41 38 3 7 1 0.0 0 0
July 15 3.78 3.15 61 1.19 4 1.96 57 5 2 0 0.0 0 0
Aug 15 3.71 2.73 63 2.05 28 0.68 35 1 8 1 0.0 0 0
Sept 15 3.56 3.29 60 3.23 28 0.06 32 1 3 3 0.0 0 0
Water Year Totals: 46.91" 38.15" 989 days 15.72" 162 22.43" 827 days 21 38 days 15 days 0.0" 0 days 3 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
10/1/2014 0.17
10/2/2014 1.11 **
10/3/2014 0.02 **
10/4/2014 0.02 **
10/5/2014 0.12 **
10/6/2014 0.00 **
10/7/2014 T **
10/8/2014 0.04 **
10/9/2014 0.00 **
10/10/2014 0.00 **
10/11/2014 0.04 **
10/12/2014 M **
10/13/2014 0.00 **
10/14/2014 0.00 **
10/15/2014 0.00 **
10/16/2014 **
10/17/2014 **
10/18/2014 **
10/19/2014 1.04
10/20/2014 0.00 **
10/21/2014 0.00 **
10/22/2014 0.07 **
10/23/2014 **
10/24/2014 2.67
10/25/2014 T **
10/26/2014 0.00 **
10/27/2014 0.00 **
10/28/2014 0.00 **
10/29/2014 0.00 **
10/30/2014 0.08 **
10/31/2014 0.00 **
11/1/2014 0.00 **
11/2/2014 0.53 **
11/3/2014 0.00 **
11/4/2014 0.00 **
11/5/2014 0.00 **
11/6/2014 T **
11/7/2014 0.41 **
11/8/2014 0.00 **
11/9/2014 0.00 **
11/10/2014 0.00 **
11/11/2014 0.00 **
11/12/2014 0.00 **
11/13/2014 0.00 **
11/14/2014 0.24 **
11/15/2014 **
11/16/2014 **
11/17/2014 **
11/18/2014 **
11/19/2014 **
11/20/2014 **
11/21/2014 1.31
11/22/2014 0.00 **
11/23/2014 0.00 **
11/24/2014 **
11/25/2014 0.44
11/26/2014 0.00 **
11/27/2014 **
11/28/2014 1.32
11/29/2014 T **
11/30/2014 0.00 **
12/1/2014 0.00 **
12/2/2014 **
12/3/2014 **
12/4/2014 **
12/5/2014 0.00 **
12/6/2014 0.00 **
12/7/2014 1.29 **
12/8/2014 0.00 **
12/9/2014 0.04 **
12/10/2014 **
12/11/2014 T 2.14
12/12/2014 T **
12/13/2014 **
12/14/2014 0.00 **
12/15/2014 0.00 **
12/16/2014 **
12/17/2014 0.49 **
12/18/2014 T **
12/19/2014 0.00 **
12/20/2014 0.00 **
12/21/2014 0.00 **
12/22/2014 **
12/23/2014 0.01 **
12/24/2014 **
12/25/2014 **
12/26/2014 **
12/27/2014 **
12/28/2014 **
12/29/2014 0.62
12/30/2014 0.00 **
12/31/2014 0.00 **
Day of YearDaily PrcpMultiday Prcp
1/1/2015 0.00 **
1/2/2015 0.00 **
1/3/2015 0.00 **
1/4/2015 **
1/5/2015 **
1/6/2015 **
1/7/2015 **
1/8/2015 1.11
1/9/2015 **
1/10/2015 0.04
1/11/2015 0.00 **
1/12/2015 **
1/13/2015 **
1/14/2015 0.00 **
1/15/2015 **
1/16/2015 **
1/17/2015 0.00 **
1/18/2015 T **
1/19/2015 **
1/20/2015 **
1/21/2015 **
1/22/2015 **
1/23/2015 **
1/24/2015 **
1/25/2015 **
1/26/2015 **
1/27/2015 **
1/28/2015 **
1/29/2015 **
1/30/2015 **
1/31/2015 **
2/1/2015 **
2/2/2015 **
2/3/2015 **
2/4/2015 **
2/5/2015 **
2/6/2015 **
2/7/2015 **
2/8/2015 **
2/9/2015 **
2/10/2015 **
2/11/2015 **
2/12/2015 **
2/13/2015 **
2/14/2015 **
2/15/2015 **
2/16/2015 **
2/17/2015 **
2/18/2015 **
2/19/2015 **
2/20/2015 **
2/21/2015 **
2/22/2015 **
2/23/2015 **
2/24/2015 **
2/25/2015 **
2/26/2015 **
2/27/2015 **
2/28/2015 **
3/1/2015 **
3/2/2015 **
3/3/2015 **
3/4/2015 **
3/5/2015 **
3/6/2015 **
3/7/2015 **
3/8/2015 **
3/9/2015 **
3/10/2015 **
3/11/2015 **
3/12/2015 5.42
3/13/2015 0.00 **
3/14/2015 T **
3/15/2015 **
3/16/2015 **
3/17/2015 **
3/18/2015 **
3/19/2015 **
3/20/2015 **
3/21/2015 **
3/22/2015 **
3/23/2015 **
3/24/2015 **
3/25/2015 **
3/26/2015 **
3/27/2015 **
3/28/2015 **
3/29/2015 **
3/30/2015 **
3/31/2015 **
Day of YearDaily PrcpMultiday Prcp
4/1/2015 **
4/2/2015 **
4/3/2015 **
4/4/2015 **
4/5/2015 **
4/6/2015 **
4/7/2015 **
4/8/2015 **
4/9/2015 **
4/10/2015 **
4/11/2015 **
4/12/2015 **
4/13/2015 **
4/14/2015 **
4/15/2015 **
4/16/2015 **
4/17/2015 **
4/18/2015 **
4/19/2015 **
4/20/2015 **
4/21/2015 **
4/22/2015 **
4/23/2015 **
4/24/2015 **
4/25/2015 **
4/26/2015 **
4/27/2015 **
4/28/2015 **
4/29/2015 **
4/30/2015 **
5/1/2015 **
5/2/2015 **
5/3/2015 **
5/4/2015 **
5/5/2015 **
5/6/2015 **
5/7/2015 **
5/8/2015 **
5/9/2015 **
5/10/2015 **
5/11/2015 **
5/12/2015 **
5/13/2015 **
5/14/2015 **
5/15/2015 **
5/16/2015 **
5/17/2015 **
5/18/2015 **
5/19/2015 **
5/20/2015 0.18 **
5/21/2015 **
5/22/2015 **
5/23/2015 0.00 **
5/24/2015 0.00 **
5/25/2015 0.00 **
5/26/2015 0.00 **
5/27/2015 0.00 **
5/28/2015 T **
5/29/2015 0.00 **
5/30/2015 0.00 **
5/31/2015 0.14 **
6/1/2015 **
6/2/2015 2.82
6/3/2015 **
6/4/2015 0.08
6/5/2015 0.00 **
6/6/2015 0.00 **
6/7/2015 0.00 **
6/8/2015 0.00 **
6/9/2015 0.00 **
6/10/2015 0.61 **
6/11/2015 0.00 **
6/12/2015 0.00 **
6/13/2015 0.00 **
6/14/2015 0.00 **
6/15/2015 0.46 **
6/16/2015 **
6/17/2015 0.51
6/18/2015 0.00 **
6/19/2015 0.01 **
6/20/2015 0.00 **
6/21/2015 1.79 **
6/22/2015 0.26 **
6/23/2015 0.00 **
6/24/2015 0.11 **
6/25/2015 0.00 **
6/26/2015 0.00 **
6/27/2015 T **
6/28/2015 1.01 **
6/29/2015 **
6/30/2015 **
Day of YearDaily PrcpMultiday Prcp
7/1/2015 **
7/2/2015 1.16
7/3/2015 **
7/4/2015 **
7/5/2015 **
7/6/2015 **
7/7/2015 **
7/8/2015 **
7/9/2015 0.03
7/10/2015 1.18 **
7/11/2015 0.01 **
7/12/2015 0.00 **
7/13/2015 **
7/14/2015 **
7/15/2015 **
7/16/2015 **
7/17/2015 **
7/18/2015 **
7/19/2015 0.27
7/20/2015 **
7/21/2015 0.03
7/22/2015 0.00 **
7/23/2015 **
7/24/2015 **
7/25/2015 **
7/26/2015 **
7/27/2015 **
7/28/2015 **
7/29/2015 **
7/30/2015 **
7/31/2015 0.47
8/1/2015 0.00 **
8/2/2015 0.09 **
8/3/2015 0.00 **
8/4/2015 0.00 **
8/5/2015 0.24 **
8/6/2015 0.00 **
8/7/2015 0.00 **
8/8/2015 0.00 **
8/9/2015 0.00 **
8/10/2015 0.00 **
8/11/2015 T **
8/12/2015 0.59 **
8/13/2015 0.00 **
8/14/2015 0.00 **
8/15/2015 0.00 **
8/16/2015 1.08 **
8/17/2015 0.00 **
8/18/2015 0.00 **
8/19/2015 **
8/20/2015 **
8/21/2015 0.68
8/22/2015 0.02 **
8/23/2015 0.01 **
8/24/2015 0.01 **
8/25/2015 0.00 **
8/26/2015 0.01 **
8/27/2015 0.00 **
8/28/2015 0.00 **
8/29/2015 0.00 **
8/30/2015 0.00 **
8/31/2015 0.00 **
9/1/2015 0.00 **
9/2/2015 0.00 **
9/3/2015 0.00 **
9/4/2015 0.00 **
9/5/2015 0.00 **
9/6/2015 0.00 **
9/7/2015 0.00 **
9/8/2015 0.00 **
9/9/2015 0.00 **
9/10/2015 T **
9/11/2015 1.67 **
9/12/2015 **
9/13/2015 0.06
9/14/2015 0.67 **
9/15/2015 T **
9/16/2015 T **
9/17/2015 0.00 **
9/18/2015 0.00 **
9/19/2015 0.00 **
9/20/2015 0.00 **
9/21/2015 0.00 **
9/22/2015 0.00 **
9/23/2015 0.00 **
9/24/2015 0.00 **
9/25/2015 0.00 **
9/26/2015 0.00 **
9/27/2015 0.00 **
9/28/2015 0.00 **
9/29/2015 0.00 **
9/30/2015 0.89 **



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2014 8:00 AM 0.17 M M M M
10/2/2014 10:00 AM 1.11 M M M M
10/3/2014 8:30 AM 0.02 M M M M
10/4/2014 8:30 AM 0.02 M M M M
10/5/2014 9:00 AM 0.12 M M M M
10/6/2014 8:00 AM 0.00 0.0 M M M
10/7/2014 8:00 AM T M M M M
10/8/2014 7:55 AM 0.04 M M M M
10/9/2014 8:00 AM 0.00 0.0 M M M
10/10/2014 8:00 AM 0.00 0.0 M M M
10/11/2014 9:30 AM 0.04 M M M M
10/12/2014 8:00 AM M 0.0 M M M
10/13/2014 8:00 AM 0.00 0.0 M M M
10/14/2014 8:00 AM 0.00 0.0 M M M
10/15/2014 8:00 AM 0.00 0.0 M M M
10/20/2014 8:00 AM 0.00 0.0 M M M
10/21/2014 8:00 AM 0.00 0.0 M M M
10/22/2014 8:14 AM 0.07 M M M M
10/25/2014 9:00 AM T M M M M
10/26/2014 8:00 AM 0.00 0.0 M M M
10/27/2014 8:00 AM 0.00 0.0 M M M
10/28/2014 8:00 AM 0.00 0.0 M M M
10/29/2014 8:00 AM 0.00 0.0 M M M
10/30/2014 8:45 AM 0.08 M M M M
10/31/2014 8:00 AM 0.00 0.0 M M M
11/1/2014 8:00 AM 0.00 0.0 M M M
11/2/2014 8:15 AM 0.53 0.0 0.00 0.0 0.00 Cloudy, Gusty winds and 36 Degrees.
11/3/2014 8:00 AM 0.00 0.0 M M M
11/4/2014 8:00 AM 0.00 0.0 M M M
11/5/2014 8:00 AM 0.00 0.0 M M M
11/6/2014 8:00 AM T 0.0 M M M
11/7/2014 8:30 AM 0.41 M M M M
11/8/2014 8:00 AM 0.00 0.0 M M M
11/9/2014 8:00 AM 0.00 0.0 M M M
11/10/2014 8:00 AM 0.00 0.0 M M M
11/11/2014 8:00 AM 0.00 0.0 M M M
11/12/2014 8:00 AM 0.00 0.0 M M M
11/13/2014 8:00 AM 0.00 0.0 M M M
11/14/2014 8:55 AM 0.24 T M T M 34 Degrees, overcast.
11/22/2014 8:00 AM 0.00 0.0 M M M
11/23/2014 8:00 AM 0.00 0.0 M M M
11/26/2014 7:55 AM 0.00 0.0 M 0.0 M
11/29/2014 9:00 AM T T T 2.8 M
11/30/2014 8:00 AM 0.00 0.0 M M M
12/1/2014 8:00 AM 0.00 0.0 0.00 1.6 M
12/5/2014 8:00 AM 0.00 0.0 M M M
12/6/2014 8:00 AM 0.00 0.0 M M M
12/7/2014 11:00 AM 1.29 T M 0.0 M
12/8/2014 8:00 AM 0.00 0.0 M M M
12/9/2014 8:05 AM 0.04 0.0 M 0.0 M Current Temperature 29 degrees 1/16" of ice on roads and trees
12/11/2014 8:00 AM T T M T M
12/12/2014 8:00 AM T T M T M
12/14/2014 8:00 AM 0.00 0.0 M M M
12/15/2014 8:00 AM 0.00 0.0 M M M
12/17/2014 8:15 AM 0.49 M M M M
12/18/2014 7:55 AM T M M M M
12/19/2014 8:00 AM 0.00 0.0 M M M
12/20/2014 8:00 AM 0.00 0.0 M M M
12/21/2014 8:00 AM 0.00 0.0 M M M
12/23/2014 8:00 AM 0.01 T M T M
12/30/2014 8:00 AM 0.00 0.0 M M M
12/31/2014 8:00 AM 0.00 0.0 M M M
1/1/2015 8:00 AM 0.00 0.0 M M M
1/2/2015 8:00 AM 0.00 0.0 M M M
1/3/2015 8:00 AM 0.00 0.0 M M M
1/11/2015 8:00 AM 0.00 0.0 M M M
1/14/2015 8:00 AM 0.00 0.0 M M M
1/17/2015 8:00 AM 0.00 0.0 M M M
1/18/2015 9:15 AM T 0.0 M T M
3/13/2015 8:00 AM 0.00 0.0 M M M
3/14/2015 9:07 AM T 0.0 M 16.0 M
5/20/2015 8:00 AM 0.18 M M M M
5/23/2015 8:00 AM 0.00 0.0 M M M
5/24/2015 8:00 AM 0.00 0.0 M M M
5/25/2015 8:00 AM 0.00 0.0 M M M
5/26/2015 8:00 AM 0.00 0.0 M M M
5/27/2015 8:00 AM 0.00 0.0 M M M
5/28/2015 8:05 AM T M M M M
5/29/2015 8:00 AM 0.00 0.0 M M M
5/30/2015 8:00 AM 0.00 0.0 M M M
5/31/2015 9:13 AM 0.14 M M M M
6/5/2015 8:45 AM 0.00 0.0 M M M
6/6/2015 8:00 AM 0.00 0.0 M M M
6/7/2015 8:00 AM 0.00 0.0 M M M
6/8/2015 8:00 AM 0.00 0.0 M M M
6/9/2015 8:00 AM 0.00 0.0 M M M
6/10/2015 7:45 AM 0.61 M M M M
6/11/2015 8:00 AM 0.00 0.0 M M M
6/12/2015 8:00 AM 0.00 0.0 M M M
6/13/2015 8:00 AM 0.00 0.0 M M M
6/14/2015 8:00 AM 0.00 0.0 M M M
6/15/2015 7:45 AM 0.46 M M M M
6/18/2015 8:00 AM 0.00 0.0 M M M
6/19/2015 8:00 AM 0.01 M M M M
6/20/2015 8:00 AM 0.00 0.0 M M M
6/21/2015 8:15 AM 1.79 M M M M
6/22/2015 7:55 AM 0.26 M M M M
6/23/2015 8:00 AM 0.00 0.0 M M M
6/24/2015 9:15 AM 0.11 M M M M
6/25/2015 8:45 AM 0.00 0.0 M M M Sunny
6/26/2015 8:00 AM 0.00 0.0 M M M
6/27/2015 8:04 AM T M M M M
6/28/2015 9:21 AM 1.01 M M M M cloudy, with light rain
7/10/2015 8:15 AM 1.18 M M M M
7/11/2015 8:00 AM 0.01 M M M M
7/12/2015 8:00 AM 0.00 0.0 M M M
7/22/2015 8:00 AM 0.00 0.0 M M M
8/1/2015 10:15 AM 0.00 0.0 M M M
8/2/2015 9:30 AM 0.09 M M M M
8/3/2015 8:00 AM 0.00 0.0 M M M
8/4/2015 8:00 AM 0.00 0.0 M M M
8/5/2015 7:50 AM 0.24 M M M M pea size hail observed, and tree damage due to wind gusts.
8/6/2015 8:00 AM 0.00 0.0 M M M
8/7/2015 8:00 AM 0.00 0.0 M M M
8/8/2015 8:00 AM 0.00 0.0 M M M
8/9/2015 8:00 AM 0.00 0.0 M M M
8/10/2015 8:00 AM 0.00 0.0 M M M
8/11/2015 7:50 AM T M M M M Sent via CoCoRaHS Observer for iOS
8/12/2015 8:00 AM 0.59 M M M M Sent via CoCoRaHS Observer for iOS
8/13/2015 8:00 AM 0.00 0.0 M M M
8/14/2015 8:00 AM 0.00 0.0 M M M
8/15/2015 8:00 AM 0.00 0.0 M M M
8/16/2015 11:30 AM 1.08 M M M M
8/17/2015 8:00 AM 0.00 0.0 M M M
8/18/2015 8:00 AM 0.00 0.0 M M M
8/22/2015 8:00 AM 0.02 M M M M
8/23/2015 9:45 AM 0.01 M M M M
8/24/2015 7:55 AM 0.01 M M M M Sent via CoCoRaHS Observer for iOS
8/25/2015 7:39 AM 0.00 M M M M Sent via CoCoRaHS Observer for iOS
8/26/2015 8:45 AM 0.01 M M M M
8/27/2015 8:00 AM 0.00 0.0 M M M
8/28/2015 8:00 AM 0.00 0.0 M M M
8/29/2015 8:00 AM 0.00 0.0 M M M
8/30/2015 8:00 AM 0.00 0.0 M M M
8/31/2015 8:00 AM 0.00 0.0 M M M
9/1/2015 8:00 AM 0.00 0.0 M M M
9/2/2015 8:00 AM 0.00 0.0 M M M
9/3/2015 8:00 AM 0.00 0.0 M M M
9/4/2015 8:00 AM 0.00 0.0 M M M
9/5/2015 8:00 AM 0.00 0.0 M M M
9/6/2015 8:00 AM 0.00 M M M M Sent via CoCoRaHS Observer for iOS
9/7/2015 8:00 AM 0.00 0.0 M M M
9/8/2015 8:00 AM 0.00 M M M M Sent via CoCoRaHS Observer for iOS
9/9/2015 8:00 AM 0.00 0.0 M M M
9/10/2015 7:14 AM T M M M M Sent via CoCoRaHS Observer for iOS
9/11/2015 8:00 AM 1.67 M M M M Sent via CoCoRaHS Observer for iOS
9/14/2015 8:05 AM 0.67 M M M M Sent via CoCoRaHS Observer for iOS
9/15/2015 8:00 AM T M M M M Sent via CoCoRaHS Observer for iOS
9/16/2015 8:00 AM T M M M M Sent via CoCoRaHS Observer for iOS
9/17/2015 8:00 AM 0.00 M M M M Sent via CoCoRaHS Observer for iOS
9/18/2015 8:00 AM 0.00 0.0 M M M
9/19/2015 8:00 AM 0.00 0.0 M M M
9/20/2015 8:00 AM 0.00 0.0 M M M
9/21/2015 8:00 AM 0.00 0.0 M M M
9/22/2015 8:00 AM 0.00 0.0 M M M
9/23/2015 8:00 AM 0.00 0.0 M M M
9/24/2015 8:00 AM 0.00 0.0 M M M
9/25/2015 8:00 AM 0.00 0.0 M M M
9/26/2015 8:00 AM 0.00 0.0 M M M
9/27/2015 8:00 AM 0.00 0.0 M M M
9/28/2015 8:00 AM 0.00 0.0 M M M
9/29/2015 8:00 AM 0.00 0.0 M M M
9/30/2015 7:07 AM 0.89 M M M M Sent via CoCoRaHS Observer for iOS



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
10/2/2014 10/04/2015 9:05 AM 368 0.21 M M
10/16/2014 10/19/2014 5:25 PM 4 1.04 M M
10/23/2014 10/24/2014 8:35 AM 2 2.67 M M
11/15/2014 11/21/2014 8:00 AM 7 1.31 M M
11/24/2014 11/25/2014 8:45 AM 2 0.44 M M
11/27/2014 11/28/2014 8:05 AM 2 1.32 3.8 M
12/10/2014 12/11/2014 8:12 AM 2 2.14 0.0 M
12/24/2014 12/29/2014 8:05 AM 6 0.62 M M
1/4/2015 1/08/2015 8:00 AM 5 1.11 T M
1/9/2015 1/10/2015 11:00 AM 2 0.04 M M
1/19/2015 3/12/2015 10:15 PM 53 5.42 19.0 M
6/1/2015 6/02/2015 7:55 AM 2 2.82 M M
6/3/2015 6/04/2015 7:55 AM 2 0.08 M M
6/16/2015 6/17/2015 7:45 AM 2 0.51 M M
6/29/2015 7/02/2015 9:30 AM 4 1.16 M M
7/3/2015 7/09/2015 8:30 AM 7 0.03 M M
7/13/2015 7/19/2015 11:30 AM 7 0.27 M M
7/20/2015 7/21/2015 9:30 AM 2 0.03 M M
7/24/2015 7/31/2015 9:45 AM 8 0.47 M M
8/18/2015 8/21/2015 8:00 AM 4 0.68 M M
9/12/2015 9/13/2015 10:05 AM 2 0.06 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