Station Overview Station Location
Station Number PA-CH-20 Latitude 40.0449
Station Name Devon-Berwyn 0.9 W Longitude -75.4564
County Chester Elevation (ft) 525



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 12 3.95 7.72 28 7.72 28 0.00 0 0 15 0 0.0 0 0
Nov 12 3.63 0.82 24 0.82 24 0.00 0 0 4 0 0.0 0 0
Dec 12 3.93 5.29 26 5.29 26 0.00 0 0 15 1 0.0 0 0
Jan 13 3.34 2.63 24 2.63 24 0.00 0 0 8 1 0.0 0 0
Feb 13 2.80 2.10 20 2.10 20 0.00 0 0 10 3 2.2 2 0
March 13 3.71 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
April 13 3.83 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
May 13 4.03 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
June 13 3.95 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
July 13 4.70 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Aug 13 3.81 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Sept 13 4.75 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Water Year Totals: 46.43" 18.56" 122 days 18.56" 122 0.00" 0 days 0 52 days 5 days 2.2" 2 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
10/1/2012
10/2/2012 0.00
10/3/2012 0.70
10/4/2012 0.04
10/5/2012 0.01
10/6/2012 0.00
10/7/2012 0.00
10/8/2012 0.10
10/9/2012 0.04
10/10/2012 0.10
10/11/2012 0.01
10/12/2012 0.00
10/13/2012 0.00
10/14/2012 0.00
10/15/2012 0.00
10/16/2012 0.93
10/17/2012 0.00
10/18/2012 0.00
10/19/2012 0.30
10/20/2012 0.45
10/21/2012
10/22/2012 0.00
10/23/2012 0.00
10/24/2012 0.02
10/25/2012
10/26/2012 0.00
10/27/2012 0.00
10/28/2012 0.03
10/29/2012 0.58
10/30/2012 3.96
10/31/2012 0.45
11/1/2012
11/2/2012 0.00
11/3/2012 0.00
11/4/2012 0.00
11/5/2012
11/6/2012 0.00
11/7/2012
11/8/2012 0.11
11/9/2012
11/10/2012 0.00
11/11/2012 0.00
11/12/2012 0.00
11/13/2012 0.12
11/14/2012 0.13
11/15/2012 0.00
11/16/2012 0.00
11/17/2012 0.00
11/18/2012 0.00
11/19/2012 0.00
11/20/2012 0.00
11/21/2012
11/22/2012 0.00
11/23/2012 0.00
11/24/2012
11/25/2012 0.00
11/26/2012 0.00
11/27/2012 0.00
11/28/2012 0.46
11/29/2012 0.00
11/30/2012 0.00
12/1/2012 0.00
12/2/2012 0.00
12/3/2012 0.02
12/4/2012 T
12/5/2012
12/6/2012 0.00
12/7/2012
12/8/2012 0.43
12/9/2012 0.02
12/10/2012 0.32
12/11/2012 0.07
12/12/2012 0.02
12/13/2012 0.00
12/14/2012
12/15/2012 0.00
12/16/2012 0.00
12/17/2012 0.11
12/18/2012 0.12
12/19/2012 0.07
12/20/2012
12/21/2012 2.21
12/22/2012 0.19
12/23/2012 0.00
12/24/2012 0.00
12/25/2012 0.22
12/26/2012
12/27/2012 1.18
12/28/2012 0.01
12/29/2012 0.00
12/30/2012 0.30
12/31/2012 0.00
Day of YearDaily PrcpMultiday Prcp
1/1/2013 0.00
1/2/2013 0.00
1/3/2013
1/4/2013 0.00
1/5/2013 0.00
1/6/2013 0.03
1/7/2013 0.00
1/8/2013 0.00
1/9/2013
1/10/2013 0.00
1/11/2013 0.00
1/12/2013 0.41
1/13/2013 0.01
1/14/2013
1/15/2013 0.26
1/16/2013
1/17/2013 0.11
1/18/2013 0.00
1/19/2013 0.00
1/20/2013 0.00
1/21/2013 0.00
1/22/2013 T
1/23/2013
1/24/2013
1/25/2013 0.00
1/26/2013 0.04
1/27/2013 0.00
1/28/2013
1/29/2013 0.16
1/30/2013 0.00
1/31/2013 1.61
2/1/2013
2/2/2013 0.00
2/3/2013 0.07
2/4/2013 0.00
2/5/2013 T
2/6/2013 T
2/7/2013 0.00
2/8/2013
2/9/2013 0.33
2/10/2013 0.00
2/11/2013 0.31
2/12/2013 0.18
2/13/2013
2/14/2013 0.25
2/15/2013
2/16/2013 0.06
2/17/2013 T
2/18/2013
2/19/2013
2/20/2013 0.20
2/21/2013 0.00
2/22/2013 0.00
2/23/2013 0.03
2/24/2013
2/25/2013
2/26/2013 0.00
2/27/2013 0.60
2/28/2013 0.07
3/1/2013
3/2/2013
3/3/2013
3/4/2013
3/5/2013
3/6/2013
3/7/2013
3/8/2013
3/9/2013
3/10/2013
3/11/2013
3/12/2013
3/13/2013
3/14/2013
3/15/2013
3/16/2013
3/17/2013
3/18/2013
3/19/2013
3/20/2013
3/21/2013
3/22/2013
3/23/2013
3/24/2013
3/25/2013
3/26/2013
3/27/2013
3/28/2013
3/29/2013
3/30/2013
3/31/2013
Day of YearDaily PrcpMultiday Prcp
4/1/2013
4/2/2013
4/3/2013
4/4/2013
4/5/2013
4/6/2013
4/7/2013
4/8/2013
4/9/2013
4/10/2013
4/11/2013
4/12/2013
4/13/2013
4/14/2013
4/15/2013
4/16/2013
4/17/2013
4/18/2013
4/19/2013
4/20/2013
4/21/2013
4/22/2013
4/23/2013
4/24/2013
4/25/2013
4/26/2013
4/27/2013
4/28/2013
4/29/2013
4/30/2013
5/1/2013
5/2/2013
5/3/2013
5/4/2013
5/5/2013
5/6/2013
5/7/2013
5/8/2013
5/9/2013
5/10/2013
5/11/2013
5/12/2013
5/13/2013
5/14/2013
5/15/2013
5/16/2013
5/17/2013
5/18/2013
5/19/2013
5/20/2013
5/21/2013
5/22/2013
5/23/2013
5/24/2013
5/25/2013
5/26/2013
5/27/2013
5/28/2013
5/29/2013
5/30/2013
5/31/2013
6/1/2013
6/2/2013
6/3/2013
6/4/2013
6/5/2013
6/6/2013
6/7/2013
6/8/2013
6/9/2013
6/10/2013
6/11/2013
6/12/2013
6/13/2013
6/14/2013
6/15/2013
6/16/2013
6/17/2013
6/18/2013
6/19/2013
6/20/2013
6/21/2013
6/22/2013
6/23/2013
6/24/2013
6/25/2013
6/26/2013
6/27/2013
6/28/2013
6/29/2013
6/30/2013
Day of YearDaily PrcpMultiday Prcp
7/1/2013
7/2/2013
7/3/2013
7/4/2013
7/5/2013
7/6/2013
7/7/2013
7/8/2013
7/9/2013
7/10/2013
7/11/2013
7/12/2013
7/13/2013
7/14/2013
7/15/2013
7/16/2013
7/17/2013
7/18/2013
7/19/2013
7/20/2013
7/21/2013
7/22/2013
7/23/2013
7/24/2013
7/25/2013
7/26/2013
7/27/2013
7/28/2013
7/29/2013
7/30/2013
7/31/2013
8/1/2013
8/2/2013
8/3/2013
8/4/2013
8/5/2013
8/6/2013
8/7/2013
8/8/2013
8/9/2013
8/10/2013
8/11/2013
8/12/2013
8/13/2013
8/14/2013
8/15/2013
8/16/2013
8/17/2013
8/18/2013
8/19/2013
8/20/2013
8/21/2013
8/22/2013
8/23/2013
8/24/2013
8/25/2013
8/26/2013
8/27/2013
8/28/2013
8/29/2013
8/30/2013
8/31/2013
9/1/2013
9/2/2013
9/3/2013
9/4/2013
9/5/2013
9/6/2013
9/7/2013
9/8/2013
9/9/2013
9/10/2013
9/11/2013
9/12/2013
9/13/2013
9/14/2013
9/15/2013
9/16/2013
9/17/2013
9/18/2013
9/19/2013
9/20/2013
9/21/2013
9/22/2013
9/23/2013
9/24/2013
9/25/2013
9/26/2013
9/27/2013
9/28/2013
9/29/2013
9/30/2013



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/2/2012 6:30 AM 0.00 0.0 M M M
10/3/2012 6:00 AM 0.70 M M M M
10/4/2012 6:00 AM 0.04 M M M M
10/5/2012 6:10 AM 0.01 M M M M
10/6/2012 5:35 AM 0.00 0.0 M M M
10/7/2012 6:00 AM 0.00 0.0 M M M
10/8/2012 5:40 AM 0.10 M M M M First morning in the 30s F
10/9/2012 7:30 AM 0.04 M M M M
10/10/2012 5:40 AM 0.10 M M M M
10/11/2012 5:30 AM 0.01 M M M M
10/12/2012 6:00 AM 0.00 0.0 M M M
10/13/2012 6:00 AM 0.00 0.0 M M M First day below freezing. 32 at 5:05 AM. 30.6 at 7:50 AM.
10/14/2012 6:00 AM 0.00 0.0 M M M
10/15/2012 5:55 AM 0.00 0.0 M M M
10/16/2012 6:30 AM 0.93 M M M M
10/17/2012 6:00 AM 0.00 0.0 M M M
10/18/2012 6:40 AM 0.00 0.0 M M M
10/19/2012 5:45 AM 0.30 M M M M
10/20/2012 6:30 AM 0.45 M M M M
10/22/2012 5:30 AM 0.00 0.0 M M M
10/23/2012 5:40 AM 0.00 0.0 M M M
10/24/2012 5:30 AM 0.02 M M M M
10/26/2012 6:30 AM 0.00 0.0 M M M
10/27/2012 5:50 AM 0.00 0.0 M M M
10/28/2012 7:13 AM 0.03 M M M M
10/29/2012 7:00 AM 0.58 M M M M Sandy on the way. Top wind gust so far only 18 mph.
10/30/2012 7:20 AM 3.96 0.0 M M M
10/31/2012 6:00 AM 0.45 M M M M
11/2/2012 5:15 AM 0.00 0.0 M M M
11/3/2012 7:00 AM 0.00 0.0 M M M
11/4/2012 6:00 AM 0.00 0.0 M M M Strong wind gusts all day. Max 28mph at 10:30 AM
11/6/2012 7:00 AM 0.00 0.0 M M M
11/8/2012 6:00 AM 0.11 M M M M
11/10/2012 6:00 AM 0.00 0.0 M M M
11/11/2012 6:00 AM 0.00 0.0 M M M
11/12/2012 5:30 AM 0.00 0.0 M M M
11/13/2012 6:00 AM 0.12 M M M M
11/14/2012 6:00 AM 0.13 M M M M
11/15/2012 5:00 AM 0.00 0.0 M M M
11/16/2012 5:00 AM 0.00 0.0 M M M
11/17/2012 6:00 AM 0.00 0.0 M M M
11/18/2012 6:00 AM 0.00 0.0 M M M
11/19/2012 6:00 AM 0.00 0.0 M M M
11/20/2012 5:00 AM 0.00 0.0 M M M
11/22/2012 6:00 AM 0.00 0.0 M M M
11/23/2012 6:00 AM 0.00 0.0 M M M
11/25/2012 6:00 AM 0.00 0.0 M M M
11/26/2012 5:30 AM 0.00 0.0 M M M
11/27/2012 5:20 AM 0.00 0.0 M M M
11/28/2012 5:00 AM 0.46 M M M M
11/29/2012 5:52 AM 0.00 0.0 M M M
11/30/2012 5:20 AM 0.00 0.0 M M M
12/1/2012 6:00 AM 0.00 0.0 M M M
12/2/2012 6:00 AM 0.00 0.0 M M M
12/3/2012 6:00 AM 0.02 M M M M
12/4/2012 6:00 AM T M M M M
12/6/2012 6:00 AM 0.00 0.0 M M M
12/8/2012 5:30 AM 0.43 M M M M
12/9/2012 6:00 AM 0.02 M M M M
12/10/2012 5:30 AM 0.32 M M M M
12/11/2012 6:00 AM 0.07 M M M M
12/12/2012 5:20 AM 0.02 M M M M
12/13/2012 6:00 AM 0.00 0.0 M M M
12/15/2012 6:00 AM 0.00 0.0 M M M
12/16/2012 6:00 AM 0.00 0.0 M M M
12/17/2012 6:00 AM 0.11 M M M M
12/18/2012 6:00 AM 0.12 M M M M
12/19/2012 6:00 AM 0.07 M M M M Brief period of heavy rain/hail ~2 PM
12/21/2012 6:00 AM 2.21 M M M M
12/22/2012 6:02 AM 0.19 M M M M
12/23/2012 6:00 AM 0.00 0.0 M M M
12/24/2012 6:00 AM 0.00 0.0 M M M
12/25/2012 6:00 AM 0.22 M M M M
12/27/2012 6:00 AM 1.18 M M M M
12/28/2012 6:00 AM 0.01 M M M M
12/29/2012 6:00 AM 0.00 0.0 M M M
12/30/2012 6:00 AM 0.30 M M M M Snow melted in guage.
12/31/2012 6:00 AM 0.00 0.0 M M M
1/1/2013 7:00 AM 0.00 0.0 M M M
1/2/2013 6:00 AM 0.00 0.0 M M M
1/4/2013 6:00 AM 0.00 0.0 M M M
1/5/2013 6:00 AM 0.00 0.0 M M M
1/6/2013 5:20 AM 0.03 0.0 0.03 M M
1/7/2013 6:00 AM 0.00 0.0 M M M
1/8/2013 6:00 AM 0.00 0.0 M M M
1/10/2013 6:00 AM 0.00 0.0 M M M
1/11/2013 6:00 AM 0.00 0.0 M M M
1/12/2013 7:00 AM 0.41 M M M M
1/13/2013 8:00 AM 0.01 M M M M
1/15/2013 6:00 AM 0.26 M M M M
1/17/2013 7:00 AM 0.11 M M M M
1/18/2013 6:00 AM 0.00 0.0 M M M
1/19/2013 6:00 AM 0.00 0.0 M M M
1/20/2013 6:00 AM 0.00 0.0 M M M
1/21/2013 6:00 AM 0.00 0.0 M M M
1/22/2013 6:00 AM T M M M M
1/25/2013 6:00 AM 0.00 0.0 M M M
1/26/2013 6:00 AM 0.04 0.0 M M M Snow
1/27/2013 6:00 AM 0.00 0.0 M M M
1/29/2013 7:00 AM 0.16 M M M M
1/30/2013 6:00 AM 0.00 0.0 M M M
1/31/2013 6:00 AM 1.61 M M M M
2/2/2013 6:00 AM 0.00 0.0 M M M
2/3/2013 6:00 AM 0.07 1.1 M M M
2/4/2013 6:00 AM 0.00 0.0 M M M
2/5/2013 6:00 AM T M M M M
2/6/2013 6:00 AM T 0.0 M M M
2/7/2013 5:00 AM 0.00 0.0 M M M
2/9/2013 7:00 AM 0.33 1.1 M M M Rain during day Snow after sunset
2/10/2013 6:00 AM 0.00 0.0 M M M
2/11/2013 6:00 AM 0.31 M M M M
2/12/2013 6:00 AM 0.18 M M M M (edit: daily precip initially recorded as 1.80". changed to NA due to decimal error suspicion. observer contacted. P.G.) (observer-confirmed 0.18". P.G.)
2/14/2013 6:00 AM 0.25 M M M M Wet Snow
2/16/2013 6:00 AM 0.06 M M M M
2/17/2013 7:00 AM T M M M M
2/20/2013 8:00 AM 0.20 M M M M
2/21/2013 6:00 AM 0.00 0.0 M M M
2/22/2013 6:00 AM 0.00 0.0 M M M
2/23/2013 6:00 AM 0.03 M M M M
2/26/2013 6:00 AM 0.00 0.0 M M M
2/27/2013 5:30 AM 0.60 M M M M
2/28/2013 6:00 AM 0.07 M 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