Station Overview Station Location
Station Number CT-HR-24 Latitude 41.8268
Station Name Collinsville 0.9 NW Longitude -72.9372
County Hartford Elevation (ft) 552



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 5.13 9.30 31 9.30 31 0.00 0 0 11 2 0.0 0 0
Nov 17 4.36 1.03 30 1.03 30 0.00 0 0 14 3 0.4 1 1
Dec 17 4.07 2.84 31 2.84 31 0.00 0 0 10 6 11.4 6 17
Jan 18 3.65 3.63 16 3.63 16 0.00 0 0 3 7 11.3 4 12
Feb 18 3.34 1.70 9 1.70 9 0.00 0 0 7 1 8.1 5 4
March 18 4.36 2.09 6 2.09 6 0.00 0 0 6 0 19.9 6 5
April 18 4.42 0.04 1 0.04 1 0.00 0 0 1 0 0.2 1 0
May 18 4.44 1.56 1 1.56 1 0.00 0 0 1 0 0.0 0 0
June 18 4.74 0.82 1 0.82 1 0.00 0 0 1 0 0.0 0 0
July 18 4.43 7.34 6 7.34 6 0.00 0 0 6 0 0.0 0 0
Aug 18 4.41 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Sept 18 4.48 4.09 2 4.09 2 0.00 0 0 2 0 0.0 0 0
Water Year Totals: 51.83" 34.44" 134 days 34.44" 134 0.00" 0 days 0 62 days 19 days 51.3" 23 days 39 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 T
10/2/2017 0.00
10/3/2017 0.00
10/4/2017 0.00
10/5/2017 0.00
10/6/2017 0.00
10/7/2017 0.00
10/8/2017 T
10/9/2017 0.37
10/10/2017 0.44
10/11/2017 0.00
10/12/2017 0.11
10/13/2017 0.00
10/14/2017 0.00
10/15/2017 0.00
10/16/2017 0.06
10/17/2017 0.00
10/18/2017 0.00
10/19/2017 0.00
10/20/2017 0.00
10/21/2017 0.00
10/22/2017 0.00
10/23/2017 0.00
10/24/2017 0.01
10/25/2017 2.93
10/26/2017 0.01
10/27/2017 0.14
10/28/2017 0.00
10/29/2017 0.06
10/30/2017 5.06
10/31/2017 0.11
11/1/2017 0.00
11/2/2017 0.03
11/3/2017 0.00
11/4/2017 0.01
11/5/2017 0.01
11/6/2017 0.12
11/7/2017 0.05
11/8/2017 0.11
11/9/2017 T
11/10/2017 0.03
11/11/2017 0.00
11/12/2017 0.00
11/13/2017 0.00
11/14/2017 0.02
11/15/2017 0.01
11/16/2017 0.02
11/17/2017 0.17
11/18/2017 0.00
11/19/2017 0.24
11/20/2017 0.14
11/21/2017 T
11/22/2017 T
11/23/2017 0.07
11/24/2017 0.00
11/25/2017 0.00
11/26/2017 0.00
11/27/2017 0.00
11/28/2017 0.00
11/29/2017 0.00
11/30/2017 0.00
12/1/2017 0.08
12/2/2017 0.00
12/3/2017 0.00
12/4/2017 0.00
12/5/2017 0.00
12/6/2017 0.53
12/7/2017 0.00
12/8/2017 0.00
12/9/2017 0.00
12/10/2017 0.47
12/11/2017 0.00
12/12/2017 T
12/13/2017 0.44
12/14/2017 0.04
12/15/2017 T
12/16/2017 0.04
12/17/2017 T
12/18/2017 T
12/19/2017 0.00
12/20/2017 0.00
12/21/2017 T
12/22/2017 0.00
12/23/2017 0.10
12/24/2017 0.64
12/25/2017 0.44
12/26/2017 T
12/27/2017 0.00
12/28/2017 0.00
12/29/2017 0.00
12/30/2017 0.00
12/31/2017 0.06
Day of YearDaily PrcpMultiday Prcp
1/1/2018 0.00
1/2/2018 T
1/3/2018 0.00
1/4/2018 0.02
1/5/2018 1.16
1/6/2018 0.00
1/7/2018 0.00
1/8/2018 0.00
1/9/2018 T
1/10/2018 T
1/11/2018 0.00
1/12/2018 T
1/13/2018 2.45
1/14/2018 T
1/15/2018 T
1/16/2018 T
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 0.00
2/7/2018 0.02
2/8/2018 0.60
2/9/2018 T
2/10/2018
2/11/2018
2/12/2018
2/13/2018
2/14/2018
2/15/2018 0.05
2/16/2018 0.04
2/17/2018
2/18/2018 0.55
2/19/2018
2/20/2018
2/21/2018
2/22/2018
2/23/2018 0.19
2/24/2018 0.25
2/25/2018
2/26/2018
2/27/2018
2/28/2018
3/1/2018
3/2/2018 0.36
3/3/2018
3/4/2018
3/5/2018
3/6/2018
3/7/2018 0.05
3/8/2018 1.12
3/9/2018
3/10/2018
3/11/2018
3/12/2018
3/13/2018 0.17
3/14/2018 0.32
3/15/2018 0.07
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 0.04
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 1.56
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 0.82
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 0.14
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 1.84
7/19/2018
7/20/2018
7/21/2018
7/22/2018 0.80
7/23/2018 0.85
7/24/2018 1.79
7/25/2018
7/26/2018 1.92
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 1.90
9/12/2018 2.19
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
10/1/2017 7:00 AM T 0.0 M 0.0 M
10/2/2017 7:00 AM 0.00 0.0 M 0.0 M
10/3/2017 7:00 AM 0.00 0.0 M 0.0 M
10/4/2017 7:00 AM 0.00 0.0 M 0.0 M
10/5/2017 7:00 AM 0.00 0.0 M 0.0 M
10/6/2017 7:00 AM 0.00 0.0 M 0.0 M
10/7/2017 7:00 AM 0.00 0.0 M 0.0 M
10/8/2017 7:00 AM T 0.0 M 0.0 M
10/9/2017 7:00 AM 0.37 0.0 M 0.0 M
10/10/2017 7:00 AM 0.44 0.0 M 0.0 M
10/11/2017 7:00 AM 0.00 0.0 M 0.0 M
10/12/2017 7:00 AM 0.11 0.0 M 0.0 M
10/13/2017 7:00 AM 0.00 0.0 M 0.0 M
10/14/2017 7:00 AM 0.00 0.0 M 0.0 M
10/15/2017 7:00 AM 0.00 0.0 M 0.0 M
10/16/2017 7:00 AM 0.06 0.0 M 0.0 M
10/17/2017 7:00 AM 0.00 0.0 M 0.0 M
10/18/2017 7:00 AM 0.00 0.0 M 0.0 M
10/19/2017 7:00 AM 0.00 0.0 M 0.0 M
10/20/2017 7:00 AM 0.00 0.0 M 0.0 M
10/21/2017 7:00 AM 0.00 0.0 M 0.0 M
10/22/2017 7:00 AM 0.00 0.0 M 0.0 M
10/23/2017 7:00 AM 0.00 0.0 M 0.0 M
10/24/2017 7:00 AM 0.01 0.0 M 0.0 M
10/25/2017 7:00 AM 2.93 0.0 M 0.0 M
10/26/2017 7:00 AM 0.01 0.0 M 0.0 M
10/27/2017 7:00 AM 0.14 0.0 M 0.0 M
10/28/2017 7:00 AM 0.00 0.0 M 0.0 M
10/29/2017 7:00 AM 0.06 0.0 M 0.0 M
10/30/2017 7:00 AM 5.06 0.0 M 0.0 M
10/31/2017 7:00 AM 0.11 0.0 M 0.0 M
11/1/2017 7:00 AM 0.00 0.0 M 0.0 M
11/2/2017 7:00 AM 0.03 0.0 M 0.0 M
11/3/2017 7:00 AM 0.00 0.0 M 0.0 M
11/4/2017 7:00 AM 0.01 0.0 M 0.0 M
11/5/2017 7:00 AM 0.01 0.0 M 0.0 M
11/6/2017 7:00 AM 0.12 0.0 M 0.0 M
11/7/2017 7:00 AM 0.05 0.0 M 0.0 M
11/8/2017 7:00 AM 0.11 T M 0.0 M
11/9/2017 7:00 AM T 0.0 0.00 0.0 0.00
11/10/2017 7:00 AM 0.03 0.0 0.00 0.0 0.00
11/11/2017 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/12/2017 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/13/2017 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/14/2017 7:00 AM 0.02 T M 0.0 0.00
11/15/2017 7:00 AM 0.01 0.0 0.00 0.0 0.00
11/16/2017 7:00 AM 0.02 0.0 0.00 0.0 0.00
11/17/2017 7:00 AM 0.17 0.0 0.00 0.0 0.00
11/18/2017 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/19/2017 7:00 AM 0.24 0.0 0.00 0.0 0.00
11/20/2017 7:00 AM 0.14 0.4 0.03 0.5 M
11/21/2017 7:00 AM T 0.0 0.00 0.0 0.00
11/22/2017 7:00 AM T 0.0 0.00 0.0 0.00
11/23/2017 7:00 AM 0.07 0.0 0.00 0.0 0.00
11/24/2017 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/25/2017 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/26/2017 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/27/2017 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/28/2017 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/29/2017 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/30/2017 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/1/2017 7:00 AM 0.08 0.0 0.00 0.0 0.00
12/2/2017 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/3/2017 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/4/2017 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/5/2017 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/6/2017 7:00 AM 0.53 0.0 0.00 0.0 0.00
12/7/2017 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/8/2017 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/9/2017 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/10/2017 7:00 AM 0.47 5.7 0.47 5.5 M
12/11/2017 7:00 AM 0.00 0.0 0.00 4.0 M
12/12/2017 7:00 AM T T T 3.0 M
12/13/2017 7:00 AM 0.44 T T 1.5 M
12/14/2017 7:00 AM 0.04 0.7 0.04 2.0 M
12/15/2017 7:00 AM T T T 2.0 M
12/16/2017 7:00 AM 0.04 0.6 0.04 2.0 M
12/17/2017 7:00 AM T 0.2 T 2.0 M
12/18/2017 7:00 AM T T T 2.0 M
12/19/2017 7:00 AM 0.00 0.0 0.00 2.0 M
12/20/2017 7:00 AM 0.00 0.0 0.00 T M
12/21/2017 7:00 AM T T T T M
12/22/2017 7:00 AM 0.00 0.0 0.00 T M
12/23/2017 7:00 AM 0.10 T M T M
12/24/2017 7:00 AM 0.64 0.0 0.00 T M
12/25/2017 9:00 AM 0.44 3.6 0.44 3.5 M Some very light freezing rain occurred in between bursts of snow
12/26/2017 7:00 AM T T T 3.0 M
12/27/2017 7:00 AM 0.00 0.0 0.00 3.0 M
12/28/2017 7:00 AM 0.00 0.0 0.00 3.0 M
12/29/2017 7:00 AM 0.00 0.0 0.00 2.5 M
12/30/2017 7:00 AM 0.00 0.0 0.00 2.5 M
12/31/2017 7:00 AM 0.06 0.6 0.06 3.0 M
1/1/2018 7:00 AM 0.00 0.0 0.00 3.0 M Precipitation total for 2017 was 49.04", which is 4.30" below this locations 18 year average
1/2/2018 7:00 AM T 0.1 T 3.0 M
1/3/2018 7:00 AM 0.00 0.0 0.00 3.0 M
1/4/2018 6:00 AM 0.02 0.2 0.02 3.0 M
1/5/2018 6:30 AM 1.16 10.8 1.16 13.0 M
1/6/2018 7:00 AM 0.00 0.0 0.00 12.0 M
1/7/2018 7:00 AM 0.00 0.0 0.00 11.5 M
1/8/2018 7:00 AM 0.00 0.0 0.00 11.5 M
1/9/2018 7:00 AM T 0.2 T 10.5 M
1/10/2018 7:00 AM T T T 9.5 M
1/11/2018 7:00 AM 0.00 0.0 0.00 9.0 M
1/12/2018 7:00 AM T 0.0 0.00 5.0 M
1/13/2018 7:00 AM 2.45 0.0 0.00 T M
1/14/2018 7:00 AM T T T T M
1/15/2018 7:00 AM T T T T M
1/16/2018 7:00 AM T T T 0.0 M
2/6/2018 7:00 AM 0.00 0.0 0.00 T M
2/7/2018 7:00 AM 0.02 0.5 0.02 T M
2/8/2018 7:00 AM 0.60 1.7 0.24 1.5 M
2/9/2018 7:00 AM T 0.1 T 1.5 M
2/15/2018 7:00 AM 0.05 0.0 0.00 0.0 M
2/16/2018 7:00 AM 0.04 0.0 0.00 0.0 M
2/18/2018 6:00 AM 0.55 5.0 0.55 5.0 M
2/23/2018 7:00 AM 0.19 0.8 0.13 0.5 M
2/24/2018 7:00 AM 0.25 0.0 0.00 T M
3/2/2018 6:00 AM 0.36 0.2 M T M moderate sleet at times
3/7/2018 7:00 AM 0.05 0.7 0.05 0.5 M
3/8/2018 7:00 AM 1.12 11.0 1.12 10.5 M
3/13/2018 7:00 AM 0.17 2.5 0.17 5.0 M
3/14/2018 7:00 AM 0.32 4.2 0.32 6.5 M
3/15/2018 7:00 AM 0.07 1.3 0.07 4.5 M
4/18/2018 7:00 AM 0.04 0.2 M T M Second latest snow accumulation in the last 22 years (April 18, 1997)
5/16/2018 7:00 AM 1.56 0.0 0.00 0.0 0.00
6/4/2018 10:00 AM 0.82 0.0 0.00 0.0 0.00
7/4/2018 7:00 AM 0.14 0.0 0.00 0.0 0.00
7/18/2018 7:00 AM 1.84 0.0 0.00 0.0 0.00
7/22/2018 7:00 AM 0.80 0.0 0.00 0.0 0.00
7/23/2018 7:00 AM 0.85 0.0 0.00 0.0 0.00
7/24/2018 7:00 AM 1.79 0.0 0.00 0.0 0.00
7/26/2018 7:00 AM 1.92 0.0 0.00 0.0 0.00
9/11/2018 7:00 AM 1.90 0.0 0.00 0.0 0.00
9/12/2018 4:30 PM 2.19 0.0 0.00 0.0 0.00 Very heavy rain from 9:50 to 10:15 am



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