Station Overview Station Location
Station Number MA-WR-31 Latitude 42.200325
Station Name Grafton 1.3 W Longitude -71.70889899
County Worcester Elevation (ft) 361



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 4.53 7.87 12 7.87 12 0.00 0 0 8 0 0.0 0 0
Nov 17 4.22 0.15 1 0.15 1 0.00 0 0 1 0 0.0 0 0
Dec 17 4.25 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Jan 18 3.71 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Feb 18 3.43 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
March 18 4.50 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
April 18 4.36 4.79 23 4.79 19 0.00 4 0 11 1 1.5 1 1
May 18 3.71 2.70 25 1.82 21 0.88 4 1 9 1 0.0 0 0
June 18 4.10 0.02 2 0.02 2 0.00 0 0 1 0 0.0 0 0
July 18 3.88 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Aug 18 3.65 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Sept 18 3.71 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Water Year Totals: 48.05" 15.53" 63 days 14.65" 55 0.88" 8 days 1 30 days 2 days 1.5" 1 days 1 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 0.00
10/4/2017
10/5/2017
10/6/2017
10/7/2017
10/8/2017
10/9/2017 0.18
10/10/2017 0.21
10/11/2017 0.00
10/12/2017 0.00
10/13/2017 0.00
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 0.35
10/25/2017 1.63
10/26/2017 1.07
10/27/2017 0.79
10/28/2017
10/29/2017
10/30/2017 3.62
10/31/2017 0.02
11/1/2017
11/2/2017
11/3/2017
11/4/2017
11/5/2017
11/6/2017
11/7/2017 0.15
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 0.00
4/2/2018 0.00
4/3/2018 0.17
4/4/2018 0.55
4/5/2018 0.21
4/6/2018 0.00
4/7/2018 0.27
4/8/2018
4/9/2018
4/10/2018
4/11/2018 0.00
4/12/2018 0.00
4/13/2018 0.07
4/14/2018 T
4/15/2018 0.00
4/16/2018 0.22
4/17/2018 2.24
4/18/2018
4/19/2018 0.04
4/20/2018 0.19
4/21/2018
4/22/2018
4/23/2018 0.00
4/24/2018
4/25/2018 0.09
4/26/2018 0.74
4/27/2018 **
4/28/2018 **
4/29/2018 **
4/30/2018 **
5/1/2018 **
5/2/2018 **
5/3/2018 **
5/4/2018 0.88
5/5/2018 0.00
5/6/2018 T
5/7/2018 0.44
5/8/2018 0.00
5/9/2018
5/10/2018 0.00
5/11/2018 0.00
5/12/2018
5/13/2018 0.22
5/14/2018 0.00
5/15/2018
5/16/2018 0.69
5/17/2018 0.01
5/18/2018
5/19/2018 0.00
5/20/2018 0.27
5/21/2018 0.03
5/22/2018 0.00
5/23/2018 0.07
5/24/2018 0.00
5/25/2018 0.00
5/26/2018
5/27/2018 0.01
5/28/2018 0.08
5/29/2018
5/30/2018 0.00
5/31/2018 0.00
6/1/2018 0.00
6/2/2018 0.02
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
6/13/2018
6/14/2018
6/15/2018
6/16/2018
6/17/2018
6/18/2018
6/19/2018
6/20/2018
6/21/2018
6/22/2018
6/23/2018
6/24/2018
6/25/2018
6/26/2018
6/27/2018
6/28/2018
6/29/2018
6/30/2018
Day of YearDaily PrcpMultiday Prcp
7/1/2018
7/2/2018
7/3/2018
7/4/2018
7/5/2018
7/6/2018
7/7/2018
7/8/2018
7/9/2018
7/10/2018
7/11/2018
7/12/2018
7/13/2018
7/14/2018
7/15/2018
7/16/2018
7/17/2018
7/18/2018
7/19/2018
7/20/2018
7/21/2018
7/22/2018
7/23/2018
7/24/2018
7/25/2018
7/26/2018
7/27/2018
7/28/2018
7/29/2018
7/30/2018
7/31/2018
8/1/2018
8/2/2018
8/3/2018
8/4/2018
8/5/2018
8/6/2018
8/7/2018
8/8/2018
8/9/2018
8/10/2018
8/11/2018
8/12/2018
8/13/2018
8/14/2018
8/15/2018
8/16/2018
8/17/2018
8/18/2018
8/19/2018
8/20/2018
8/21/2018
8/22/2018
8/23/2018
8/24/2018
8/25/2018
8/26/2018
8/27/2018
8/28/2018
8/29/2018
8/30/2018
8/31/2018
9/1/2018
9/2/2018
9/3/2018
9/4/2018
9/5/2018
9/6/2018
9/7/2018
9/8/2018
9/9/2018
9/10/2018
9/11/2018
9/12/2018
9/13/2018
9/14/2018
9/15/2018
9/16/2018
9/17/2018
9/18/2018
9/19/2018
9/20/2018
9/21/2018
9/22/2018
9/23/2018
9/24/2018
9/25/2018
9/26/2018
9/27/2018
9/28/2018
9/29/2018
9/30/2018



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/3/2017 7:05 AM 0.00 0.0 M M M
10/9/2017 7:00 AM 0.18 M M M M got 0.17 of this from 9:00 AM Sun to about 10:30 AM sun.
10/10/2017 7:05 AM 0.21 M M M M
10/11/2017 7:05 AM 0.00 0.0 M M M
10/12/2017 6:50 AM 0.00 0.0 M M M
10/13/2017 6:55 AM 0.00 0.0 M M M
10/24/2017 7:00 AM 0.35 M M M M
10/25/2017 6:45 AM 1.63 M M M M +Heavy at times overnight, raining lightly at the present time.
10/26/2017 6:50 AM 1.07 M M M M
10/27/2017 7:00 AM 0.79 M M M M
10/30/2017 6:54 AM 3.62 M M M M
10/31/2017 6:52 AM 0.02 M M M M
11/7/2017 6:45 AM 0.15 M M M M I'll be off the air for a while. Seeya in the spring.
4/1/2018 6:40 AM 0.00 0.0 M M M I'm back from the sunny southland.
4/2/2018 6:45 AM 0.00 0.0 M M M
4/3/2018 7:00 AM 0.17 M M M M the "rain" was from melted snow. Snow started at about 8:30 AM and finished about 11:30 AM. I had about 3 inches of very fluffy snow that packed well. It was all melted by 2:00 PM.
4/4/2018 6:45 AM 0.55 M M M M Lots of fog
4/5/2018 6:45 AM 0.21 M M M M Very windy from about 9:00 PM last night.
4/6/2018 6:50 AM 0.00 0.0 M M M Sorry, read it earlier, forgot to enter info.
4/7/2018 7:00 AM 0.27 1.5 0.27 1.5 0.27
4/11/2018 6:50 AM 0.00 0.0 M M M My poor rain guage is covered in frost!
4/12/2018 8:10 AM 0.00 0.0 M M M
4/13/2018 6:55 AM 0.07 M M M M
4/14/2018 7:05 AM T M M M M Had some sprinkles between 3:30 PM -5:00 PM Fri. Just enough to show in tube.
4/15/2018 7:30 AM 0.00 0.0 M M M No precip, just cold!!
4/16/2018 6:30 AM 0.22 M M M M Light rain. About 3/4" very slushy snow on lawn and deck, none on driveway or road. No ice.
4/17/2018 6:45 AM 2.24 M M M M Continued from Sunday at 6:30 AM Mon. Was done at about 9:00 PM Mon.
4/19/2018 7:10 AM 0.04 M M M M 35 degrees, "sleety". Started ~6:15 AMish
4/20/2018 7:45 AM 0.19 M M M M
4/23/2018 6:45 AM 0.00 0.0 M M M
4/25/2018 7:20 AM 0.09 M M M M Was raining at 4:30 AM
4/26/2018 6:42 AM 0.74 M M M M Very foggy
5/5/2018 6:30 AM 0.00 0.0 M M M Very windy at times overnight
5/6/2018 7:25 AM T M M M M Just a trace, and a very light mist
5/7/2018 7:35 AM 0.44 M M M M Fog in the low areas earlier.
5/8/2018 7:00 AM 0.00 0.0 M M M Beautiful sunny, clear day. Hope it stays that way.
5/10/2018 6:44 AM 0.00 0.0 M M M Some light fog
5/11/2018 7:05 AM 0.00 0.0 M M M
5/13/2018 7:25 AM 0.22 M M M M
5/14/2018 7:08 AM 0.00 0.0 M M M overcast
5/16/2018 6:45 AM 0.69 M M M M
5/17/2018 7:25 AM 0.01 M M M M some light rain overnight, and this morning
5/19/2018 7:35 AM 0.00 0.0 M M M
5/20/2018 6:25 AM 0.27 M M M M
5/21/2018 7:00 AM 0.03 M M M M
5/22/2018 6:45 AM 0.00 0.0 M M M
5/23/2018 7:00 AM 0.07 M M M M
5/24/2018 7:45 AM 0.00 0.0 M M M
5/25/2018 8:30 AM 0.00 0.0 M M M
5/27/2018 7:40 AM 0.01 M M M M
5/28/2018 7:01 AM 0.08 M M M M Light drizzle started at approx 8:30 AM Sunday, light rain off and on all day into the night.
5/30/2018 6:25 AM 0.00 0.0 M M M heavy dew. Dewpoint of 55 deg
5/31/2018 7:15 AM 0.00 0.0 M M M lots of dew
6/1/2018 7:50 AM 0.00 0.0 M M M
6/2/2018 7:20 AM 0.02 M M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
4/27/2018 5/04/2018 7:05 AM 8 0.88 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