Station Overview Station Location
Station Number CT-NL-21 Latitude 41.608825
Station Name Griswold 0.9 N Longitude -71.930861
County New London Elevation (ft) 156



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 15 4.28 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Nov 15 4.48 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Dec 15 4.29 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Jan 16 3.68 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Feb 16 3.29 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
March 16 4.62 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
April 16 4.44 0.37 16 0.37 16 0.00 0 0 4 2 0.0 0 0
May 16 3.47 3.52 31 3.52 31 0.00 0 0 13 1 0.0 0 0
June 16 3.83 1.96 30 1.96 30 0.00 0 0 8 0 0.0 0 0
July 16 3.75 2.38 31 2.38 31 0.00 0 0 12 3 0.0 0 0
Aug 16 4.12 2.31 31 2.31 31 0.00 0 0 9 0 0.0 0 0
Sept 16 3.94 2.37 30 2.37 30 0.00 0 0 9 1 0.0 0 0
Water Year Totals: 48.19" 12.91" 169 days 12.91" 169 0.00" 0 days 0 55 days 7 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
10/1/2015
10/2/2015
10/3/2015
10/4/2015
10/5/2015
10/6/2015
10/7/2015
10/8/2015
10/9/2015
10/10/2015
10/11/2015
10/12/2015
10/13/2015
10/14/2015
10/15/2015
10/16/2015
10/17/2015
10/18/2015
10/19/2015
10/20/2015
10/21/2015
10/22/2015
10/23/2015
10/24/2015
10/25/2015
10/26/2015
10/27/2015
10/28/2015
10/29/2015
10/30/2015
10/31/2015
11/1/2015
11/2/2015
11/3/2015
11/4/2015
11/5/2015
11/6/2015
11/7/2015
11/8/2015
11/9/2015
11/10/2015
11/11/2015
11/12/2015
11/13/2015
11/14/2015
11/15/2015
11/16/2015
11/17/2015
11/18/2015
11/19/2015
11/20/2015
11/21/2015
11/22/2015
11/23/2015
11/24/2015
11/25/2015
11/26/2015
11/27/2015
11/28/2015
11/29/2015
11/30/2015
12/1/2015
12/2/2015
12/3/2015
12/4/2015
12/5/2015
12/6/2015
12/7/2015
12/8/2015
12/9/2015
12/10/2015
12/11/2015
12/12/2015
12/13/2015
12/14/2015
12/15/2015
12/16/2015
12/17/2015
12/18/2015
12/19/2015
12/20/2015
12/21/2015
12/22/2015
12/23/2015
12/24/2015
12/25/2015
12/26/2015
12/27/2015
12/28/2015
12/29/2015
12/30/2015
12/31/2015
Day of YearDaily PrcpMultiday Prcp
1/1/2016
1/2/2016
1/3/2016
1/4/2016
1/5/2016
1/6/2016
1/7/2016
1/8/2016
1/9/2016
1/10/2016
1/11/2016
1/12/2016
1/13/2016
1/14/2016
1/15/2016
1/16/2016
1/17/2016
1/18/2016
1/19/2016
1/20/2016
1/21/2016
1/22/2016
1/23/2016
1/24/2016
1/25/2016
1/26/2016
1/27/2016
1/28/2016
1/29/2016
1/30/2016
1/31/2016
2/1/2016
2/2/2016
2/3/2016
2/4/2016
2/5/2016
2/6/2016
2/7/2016
2/8/2016
2/9/2016
2/10/2016
2/11/2016
2/12/2016
2/13/2016
2/14/2016
2/15/2016
2/16/2016
2/17/2016
2/18/2016
2/19/2016
2/20/2016
2/21/2016
2/22/2016
2/23/2016
2/24/2016
2/25/2016
2/26/2016
2/27/2016
2/28/2016
2/29/2016
3/1/2016
3/2/2016
3/3/2016
3/4/2016
3/5/2016
3/6/2016
3/7/2016
3/8/2016
3/9/2016
3/10/2016
3/11/2016
3/12/2016
3/13/2016
3/14/2016
3/15/2016
3/16/2016
3/17/2016
3/18/2016
3/19/2016
3/20/2016
3/21/2016
3/22/2016
3/23/2016
3/24/2016
3/25/2016
3/26/2016
3/27/2016
3/28/2016
3/29/2016
3/30/2016
3/31/2016
Day of YearDaily PrcpMultiday Prcp
4/1/2016
4/2/2016
4/3/2016
4/4/2016
4/5/2016
4/6/2016
4/7/2016
4/8/2016
4/9/2016
4/10/2016
4/11/2016
4/12/2016
4/13/2016
4/14/2016
4/15/2016 0.00
4/16/2016 0.00
4/17/2016 0.00
4/18/2016 0.00
4/19/2016 T
4/20/2016 0.00
4/21/2016 0.00
4/22/2016 0.00
4/23/2016 0.07
4/24/2016 0.05
4/25/2016 0.00
4/26/2016 T
4/27/2016 0.23
4/28/2016 0.00
4/29/2016 0.00
4/30/2016 0.02
5/1/2016 0.00
5/2/2016 0.09
5/3/2016 0.10
5/4/2016 0.00
5/5/2016 0.44
5/6/2016 0.17
5/7/2016 0.26
5/8/2016 0.00
5/9/2016 0.05
5/10/2016 0.00
5/11/2016 0.00
5/12/2016 0.00
5/13/2016 0.00
5/14/2016 0.22
5/15/2016 0.01
5/16/2016 0.00
5/17/2016 0.00
5/18/2016 0.00
5/19/2016 T
5/20/2016 0.02
5/21/2016 0.00
5/22/2016 0.00
5/23/2016 0.00
5/24/2016 0.10
5/25/2016 0.04
5/26/2016 0.00
5/27/2016 0.00
5/28/2016 0.00
5/29/2016 0.00
5/30/2016 1.90
5/31/2016 0.12
6/1/2016 0.00
6/2/2016 0.00
6/3/2016 0.00
6/4/2016 0.02
6/5/2016 0.01
6/6/2016 0.82
6/7/2016 0.00
6/8/2016 0.00
6/9/2016 0.22
6/10/2016 0.00
6/11/2016 0.00
6/12/2016 0.57
6/13/2016 0.00
6/14/2016 0.00
6/15/2016 0.00
6/16/2016 0.00
6/17/2016 0.00
6/18/2016 0.00
6/19/2016 0.00
6/20/2016 0.00
6/21/2016 0.13
6/22/2016 0.00
6/23/2016 0.00
6/24/2016 0.00
6/25/2016 0.00
6/26/2016 0.00
6/27/2016 0.00
6/28/2016 0.00
6/29/2016 0.18
6/30/2016 0.01
Day of YearDaily PrcpMultiday Prcp
7/1/2016 0.00
7/2/2016 0.14
7/3/2016 0.00
7/4/2016 0.00
7/5/2016 0.45
7/6/2016 0.15
7/7/2016 0.00
7/8/2016 0.05
7/9/2016 0.00
7/10/2016 0.02
7/11/2016 0.25
7/12/2016 0.00
7/13/2016 0.00
7/14/2016 0.00
7/15/2016 0.06
7/16/2016 0.68
7/17/2016 0.00
7/18/2016 0.22
7/19/2016 T
7/20/2016 0.00
7/21/2016 0.00
7/22/2016 0.00
7/23/2016 0.00
7/24/2016 0.01
7/25/2016 0.00
7/26/2016 0.02
7/27/2016 0.00
7/28/2016 0.00
7/29/2016 T
7/30/2016 0.33
7/31/2016 T
8/1/2016 0.32
8/2/2016 0.00
8/3/2016 0.01
8/4/2016 0.00
8/5/2016 0.00
8/6/2016 0.00
8/7/2016 0.07
8/8/2016 0.00
8/9/2016 0.00
8/10/2016 0.00
8/11/2016 0.75
8/12/2016 0.03
8/13/2016 0.01
8/14/2016 0.33
8/15/2016 0.00
8/16/2016 0.00
8/17/2016 0.12
8/18/2016 0.00
8/19/2016 0.00
8/20/2016 0.00
8/21/2016 0.00
8/22/2016 0.67
8/23/2016 0.00
8/24/2016 0.00
8/25/2016 0.00
8/26/2016 0.00
8/27/2016 0.00
8/28/2016 0.00
8/29/2016 0.00
8/30/2016 0.00
8/31/2016 0.00
9/1/2016 T
9/2/2016 0.00
9/3/2016 0.00
9/4/2016 0.00
9/5/2016 0.00
9/6/2016 0.02
9/7/2016 0.76
9/8/2016 0.04
9/9/2016 0.01
9/10/2016 0.00
9/11/2016 0.00
9/12/2016 0.00
9/13/2016 0.00
9/14/2016 0.00
9/15/2016 0.45
9/16/2016 0.00
9/17/2016 0.00
9/18/2016 0.00
9/19/2016 0.00
9/20/2016 0.72
9/21/2016 0.04
9/22/2016 0.00
9/23/2016 0.00
9/24/2016 0.05
9/25/2016 0.00
9/26/2016 0.00
9/27/2016 0.00
9/28/2016 0.28
9/29/2016 0.00
9/30/2016 0.00



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
4/15/2016 4:30 AM 0.00 0.0 M M M First day of station operation.
4/16/2016 4:30 AM 0.00 0.0 M M M
4/17/2016 4:30 AM 0.00 0.0 M M M
4/18/2016 4:30 AM 0.00 0.0 M M M
4/19/2016 4:30 AM T M M M M
4/20/2016 4:30 AM 0.00 0.0 M M M
4/21/2016 4:30 AM 0.00 0.0 M M M
4/22/2016 4:30 AM 0.00 0.0 M M M
4/23/2016 4:30 AM 0.07 M M M M
4/24/2016 4:30 AM 0.05 M M M M
4/25/2016 4:30 AM 0.00 0.0 M M M
4/26/2016 4:30 AM T 0.0 0.00 0.0 0.00
4/27/2016 4:30 AM 0.23 M M M M
4/28/2016 4:30 AM 0.00 0.0 M M M
4/29/2016 4:30 AM 0.00 0.0 M M M
4/30/2016 4:30 AM 0.02 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.13
5/1/2016 4:30 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.13
5/2/2016 4:30 AM 0.09 M M M M Drizzle at observation time.
5/3/2016 4:30 AM 0.10 M M M M light rain at Observation time
5/4/2016 4:30 AM 0.00 0.0 M M M
5/5/2016 4:30 AM 0.44 M M M M Not raining at Observation Time.
5/6/2016 4:30 AM 0.17 M M M M
5/7/2016 4:30 AM 0.26 M M M M
5/8/2016 4:30 AM 0.00 0.0 M M M
5/9/2016 4:30 AM 0.05 M M M M Condensation on the outside of gauge and felt misty at observation time.
5/10/2016 4:30 AM 0.00 0.0 M M M
5/11/2016 4:30 AM 0.00 0.0 M M M
5/12/2016 4:30 AM 0.00 0.0 M M M
5/13/2016 4:30 AM 0.00 0.0 M M M
5/14/2016 4:30 AM 0.22 M M M M Condensation on outside of rain gauge.
5/15/2016 4:30 AM 0.01 M M M M
5/16/2016 4:30 AM 0.00 0.0 M M M
5/17/2016 4:30 AM 0.00 0.0 M M M
5/18/2016 4:30 AM 0.00 0.0 M M M
5/19/2016 4:30 AM T M M M M
5/20/2016 4:30 AM 0.02 M M M M foggy and condensation on equipment.
5/21/2016 4:30 AM 0.00 0.0 M M M
5/22/2016 4:30 AM 0.00 0.0 M M M
5/23/2016 4:30 AM 0.00 0.0 M M M
5/24/2016 4:30 AM 0.10 M M M M Light rain at observation time.
5/25/2016 4:30 AM 0.04 M M M M This 0.04 was obtained from 0430 until about 1200 on 5/24/16.
5/26/2016 4:30 AM 0.00 0.0 M M M
5/27/2016 4:30 AM 0.00 0.0 M M M
5/28/2016 4:30 AM 0.00 0.0 M M M
5/29/2016 4:30 AM 0.00 0.0 M M M
5/30/2016 7:00 AM 1.90 M M M M Light rain at observation time of 0700. Prior to taking measurement rain came down at a moderate clip.
5/31/2016 4:30 AM 0.12 M M M M
6/1/2016 4:30 AM 0.00 0.0 M M M Foggy at observation time this morning.
6/2/2016 4:30 AM 0.00 0.0 M M M
6/3/2016 4:30 AM 0.00 0.0 M M M
6/4/2016 4:30 AM 0.02 M M M M
6/5/2016 4:30 AM 0.01 M M M M Light drizzle at observation time.
6/6/2016 4:30 AM 0.82 M M M M
6/7/2016 4:30 AM 0.00 0.0 M M M
6/8/2016 4:30 AM 0.00 0.0 M M M
6/9/2016 4:30 AM 0.22 M M M M
6/10/2016 4:30 AM 0.00 0.0 M M M
6/11/2016 4:30 AM 0.00 0.0 M M M
6/12/2016 4:30 AM 0.57 M M M M The majority of the rain catch amount was between 1330 thru 1630.
6/13/2016 4:30 AM 0.00 0.0 M M M
6/14/2016 4:30 AM 0.00 0.0 M M M
6/15/2016 4:30 AM 0.00 0.0 M M M
6/16/2016 4:30 AM 0.00 0.0 M M M
6/17/2016 4:30 AM 0.00 0.0 M M M
6/18/2016 4:30 AM 0.00 0.0 M M M
6/19/2016 4:30 AM 0.00 0.0 M M M
6/20/2016 4:30 AM 0.00 0.0 M M M
6/21/2016 4:30 AM 0.13 M M M M
6/22/2016 4:30 AM 0.00 0.0 M M M
6/23/2016 4:30 AM 0.00 0.0 M M M
6/24/2016 4:30 AM 0.00 0.0 M M M
6/25/2016 4:30 AM 0.00 0.0 M M M
6/26/2016 4:30 AM 0.00 0.0 M M M
6/27/2016 4:30 AM 0.00 0.0 M M M
6/28/2016 4:30 AM 0.00 0.0 M M M
6/29/2016 7:00 AM 0.18 M M M M Still light drizzle at 7:00am.
6/30/2016 4:30 AM 0.01 M M M M This amount fell during a pop up shower about 1330 yesterday.
7/1/2016 4:30 AM 0.00 0.0 M M M
7/2/2016 4:30 AM 0.14 M M M M
7/3/2016 4:30 AM 0.00 0.0 M M M
7/4/2016 4:30 AM 0.00 0.0 M M M
7/5/2016 4:30 AM 0.45 M M M M Moderate rain at observation time.
7/6/2016 4:30 AM 0.15 M M M M This amount fell between 0430 and about 1000 on 7/5/16. Which is after the observation time.
7/7/2016 4:30 AM 0.00 0.0 M M M
7/8/2016 4:30 AM 0.05 M M M M At observation time it was foggy. The amount reported fell between 1600 and 1800 on 7/7/16.
7/9/2016 4:30 AM 0.00 0.0 M M M
7/10/2016 4:30 AM 0.02 M M M M
7/11/2016 4:30 AM 0.25 M M M M
7/12/2016 4:30 AM 0.00 0.0 M M M
7/13/2016 4:30 AM 0.00 0.0 M M M
7/14/2016 4:30 AM 0.00 0.0 M M M
7/15/2016 4:30 AM 0.06 M M M M 0.03 fell on 7/14/16 between 0900 & 1200.
7/16/2016 4:30 AM 0.68 M M M M This 0.68" fell on 7/15/16 between 1200 and 1400 which is in between my my report time of 0430.
7/17/2016 4:30 AM 0.00 0.0 M M M
7/18/2016 4:30 AM 0.22 M M M M This amount fell between 1700-1800 on 7/17/16.
7/19/2016 4:30 AM T M M M M
7/20/2016 4:30 AM 0.00 0.0 M M M
7/21/2016 4:30 AM 0.00 0.0 M M M
7/22/2016 4:30 AM 0.00 0.0 M M M
7/23/2016 4:30 AM 0.00 0.0 M M M
7/24/2016 4:30 AM 0.01 M M M M Fell on 7/23/16 about 1800.
7/25/2016 4:30 AM 0.00 0.0 M M M
7/26/2016 4:30 AM 0.02 M M M M
7/27/2016 4:30 AM 0.00 0.0 M M M
7/28/2016 4:30 AM 0.00 0.0 M M M
7/29/2016 4:30 AM T M M M M Light rain started to fall at 0400.
7/30/2016 4:30 AM 0.33 M M M M This amount fell on 7/29/16 between 0400-1200.
7/31/2016 4:30 AM T M M M M
8/1/2016 4:30 AM 0.32 M M M M
8/2/2016 4:30 AM 0.00 0.0 M M M
8/3/2016 4:30 AM 0.01 M M M M This amount fell on 8/2/16 between 0600 and 1100.
8/4/2016 4:30 AM 0.00 0.0 M M M
8/5/2016 4:30 AM 0.00 0.0 M M M
8/6/2016 4:30 AM 0.00 0.0 M M M
8/7/2016 4:30 AM 0.07 M M M M
8/8/2016 4:30 AM 0.00 0.0 M M M
8/9/2016 4:30 AM 0.00 0.0 M M M
8/10/2016 4:30 AM 0.00 0.0 M M M
8/11/2016 4:30 AM 0.75 M M M M This rain fell between 0600 and 1700 on 8/10/16.
8/12/2016 4:30 AM 0.03 M M M M
8/13/2016 4:30 AM 0.01 M M M M
8/14/2016 4:30 AM 0.33 M M M M
8/15/2016 4:30 AM 0.00 0.0 M M M
8/16/2016 4:30 AM 0.00 0.0 M M M
8/17/2016 4:30 AM 0.12 M M M M
8/18/2016 4:30 AM 0.00 0.0 M M M
8/19/2016 4:30 AM 0.00 0.0 M M M
8/20/2016 4:30 AM 0.00 0.0 M M M
8/21/2016 4:30 AM 0.00 0.0 M M M
8/22/2016 4:30 AM 0.67 M M M M
8/23/2016 4:30 AM 0.00 0.0 M M M
8/24/2016 4:30 AM 0.00 0.0 M M M
8/25/2016 4:30 AM 0.00 0.0 M M M
8/26/2016 4:30 AM 0.00 0.0 M M M
8/27/2016 4:30 AM 0.00 0.0 M M M
8/28/2016 4:30 AM 0.00 0.0 M M M
8/29/2016 4:30 AM 0.00 0.0 M M M
8/30/2016 4:30 AM 0.00 0.0 M M M
8/31/2016 4:30 AM 0.00 0.0 M M M
9/1/2016 4:30 AM T M M M M Light drizzle stated about 0400.
9/2/2016 4:30 AM 0.00 0.0 M M M
9/3/2016 4:30 AM 0.00 0.0 M M M
9/4/2016 4:30 AM 0.00 0.0 M M M
9/5/2016 4:30 AM 0.00 0.0 M M M
9/6/2016 4:30 AM 0.02 M M M M Steady drizzle @ 0430.
9/7/2016 4:30 AM 0.76 M M M M Light drizzle at 0430.
9/8/2016 4:30 AM 0.04 M M M M light drizzle at 0430.
9/9/2016 4:30 AM 0.01 M M M M Foggy and very light mist @ 0430.
9/10/2016 4:30 AM 0.00 0.0 M M M
9/11/2016 4:30 AM 0.00 0.0 M M M
9/12/2016 4:30 AM 0.00 0.0 M M M
9/13/2016 4:30 AM 0.00 0.0 M M M
9/14/2016 4:30 AM 0.00 0.0 M M M
9/15/2016 4:30 AM 0.45 M M M M Fell between 1600 - 1800 on 9/14/16.
9/16/2016 4:30 AM 0.00 0.0 M M M
9/17/2016 4:30 AM 0.00 0.0 M M M
9/18/2016 4:30 AM 0.00 0.0 M M M
9/19/2016 4:30 AM 0.00 0.0 M M M Was not raining at 0430 this AM.
9/20/2016 4:30 AM 0.72 M M M M Light drizzle during data recording time. The majority of the recorded amount fell between 0600 - 1400 on 9/19/16.
9/21/2016 4:30 AM 0.04 M M M M This amount fell between 0430-0700 on 9/20/16. It was foggy this AM.
9/22/2016 4:30 AM 0.00 0.0 M M M
9/23/2016 4:30 AM 0.00 0.0 M M M
9/24/2016 4:30 AM 0.05 M M M M
9/25/2016 4:30 AM 0.00 0.0 M M M Thick fog on Hopeville Pond and light frost on garage roof, heavy dew on ground.
9/26/2016 4:30 AM 0.00 0.0 M M M
9/27/2016 4:30 AM 0.00 0.0 M M M Light drizzle started about 0415 this morning. The local meteorologist stated that 90% od CT. is -20 in of rain since the drought stated in 2013.
9/28/2016 4:30 AM 0.28 M M M M Fell between 0430-1100 on 9/27/16.
9/29/2016 4:30 AM 0.00 0.0 M M M
9/30/2016 4:30 AM 0.00 0.0 M M M



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