Station Overview Station Location
Station Number PA-CH-21 Latitude 39.9410705566406
Station Name West Chester 1.8 SE Longitude -75.5818710327148
County Chester Elevation (ft) 429



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 3.89 3.21 22 3.21 22 0.00 0 0 12 0 0.0 0 0
Nov 14 3.73 4.04 18 4.04 18 0.00 0 0 11 1 0.0 0 1
Dec 14 3.85 3.33 14 2.13 11 1.20 3 1 9 1 0.0 0 0
Jan 15 3.38 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Feb 15 2.86 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
March 15 4.06 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
April 15 3.83 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
May 15 4.12 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
June 15 3.91 5.18 13 5.18 13 0.00 0 0 7 0 0.0 0 0
July 15 4.51 4.30 28 4.30 28 0.00 0 0 12 0 0.0 0 0
Aug 15 3.82 1.41 26 1.41 26 0.00 0 0 6 1 0.0 0 0
Sept 15 5.03 3.24 30 3.24 30 0.00 0 0 5 2 0.0 0 0
Water Year Totals: 46.99" 24.71" 151 days 23.51" 148 1.20" 3 days 1 62 days 5 days 0.0" 0 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
10/1/2014
10/2/2014 0.00
10/3/2014
10/4/2014 0.26
10/5/2014 0.09
10/6/2014 0.00
10/7/2014
10/8/2014 0.62
10/9/2014
10/10/2014 0.00
10/11/2014 0.33
10/12/2014 0.15
10/13/2014 0.00
10/14/2014 0.05
10/15/2014 0.00
10/16/2014 1.00
10/17/2014 0.00
10/18/2014
10/19/2014
10/20/2014 0.00
10/21/2014 0.02
10/22/2014 0.11
10/23/2014 0.46
10/24/2014 0.06
10/25/2014 0.00
10/26/2014
10/27/2014
10/28/2014
10/29/2014 0.00
10/30/2014 0.06
10/31/2014 0.00
11/1/2014 0.19
11/2/2014 0.32
11/3/2014
11/4/2014 T
11/5/2014
11/6/2014 0.34
11/7/2014 0.21
11/8/2014 0.02
11/9/2014
11/10/2014
11/11/2014 0.00
11/12/2014
11/13/2014 0.00
11/14/2014 0.17
11/15/2014
11/16/2014
11/17/2014 0.45
11/18/2014 0.77
11/19/2014 0.00
11/20/2014
11/21/2014
11/22/2014 0.00
11/23/2014
11/24/2014 0.70
11/25/2014
11/26/2014 0.21
11/27/2014 0.66
11/28/2014 0.00
11/29/2014 0.00
11/30/2014
12/1/2014
12/2/2014 0.08
12/3/2014 0.23
12/4/2014
12/5/2014 T
12/6/2014 0.38
12/7/2014 0.77
12/8/2014
12/9/2014 0.33
12/10/2014 0.13
12/11/2014 0.01
12/12/2014 0.07
12/13/2014 0.00
12/14/2014
12/15/2014
12/16/2014
12/17/2014 0.13
12/18/2014
12/19/2014
12/20/2014
12/21/2014
12/22/2014
12/23/2014 **
12/24/2014 **
12/25/2014 1.20
12/26/2014
12/27/2014
12/28/2014
12/29/2014
12/30/2014
12/31/2014
Day of YearDaily PrcpMultiday Prcp
1/1/2015
1/2/2015
1/3/2015
1/4/2015
1/5/2015
1/6/2015
1/7/2015
1/8/2015
1/9/2015
1/10/2015
1/11/2015
1/12/2015
1/13/2015
1/14/2015
1/15/2015
1/16/2015
1/17/2015
1/18/2015
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
3/13/2015
3/14/2015
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
5/21/2015
5/22/2015
5/23/2015
5/24/2015
5/25/2015
5/26/2015
5/27/2015
5/28/2015
5/29/2015
5/30/2015
5/31/2015
6/1/2015
6/2/2015
6/3/2015
6/4/2015
6/5/2015
6/6/2015
6/7/2015
6/8/2015
6/9/2015
6/10/2015
6/11/2015
6/12/2015
6/13/2015
6/14/2015
6/15/2015
6/16/2015
6/17/2015
6/18/2015 1.15
6/19/2015 0.13
6/20/2015 0.10
6/21/2015 0.54
6/22/2015 0.00
6/23/2015 0.00
6/24/2015 0.86
6/25/2015 0.00
6/26/2015 0.14
6/27/2015 0.00
6/28/2015 2.26
6/29/2015 0.00
6/30/2015 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2015 0.72
7/2/2015 0.00
7/3/2015 0.03
7/4/2015 0.00
7/5/2015 0.11
7/6/2015 0.00
7/7/2015 0.12
7/8/2015 0.00
7/9/2015 0.63
7/10/2015 0.60
7/11/2015 0.00
7/12/2015 0.00
7/13/2015 0.00
7/14/2015 0.26
7/15/2015 0.89
7/16/2015 0.39
7/17/2015 0.00
7/18/2015 0.00
7/19/2015
7/20/2015 0.00
7/21/2015
7/22/2015 0.02
7/23/2015
7/24/2015 0.00
7/25/2015 0.00
7/26/2015 0.00
7/27/2015 0.28
7/28/2015 0.00
7/29/2015 0.00
7/30/2015 0.00
7/31/2015 0.25
8/1/2015 0.00
8/2/2015 0.00
8/3/2015 0.00
8/4/2015 0.10
8/5/2015
8/6/2015 0.00
8/7/2015 0.08
8/8/2015 0.00
8/9/2015 0.00
8/10/2015 T
8/11/2015 0.63
8/12/2015 0.07
8/13/2015 0.00
8/14/2015 0.00
8/15/2015 0.00
8/16/2015 0.00
8/17/2015 0.00
8/18/2015
8/19/2015 0.00
8/20/2015 0.05
8/21/2015 0.48
8/22/2015 0.00
8/23/2015
8/24/2015
8/25/2015 0.00
8/26/2015
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 0.14
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 0.07
9/11/2015 0.78
9/12/2015 0.00
9/13/2015 0.40
9/14/2015 0.00
9/15/2015 0.00
9/16/2015 0.00
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 T
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 T
9/30/2015 1.85



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/2/2014 7:00 AM 0.00 0.0 M M M
10/4/2014 8:00 AM 0.26 M M M M
10/5/2014 7:00 AM 0.09 M M M M
10/6/2014 7:00 AM 0.00 0.0 M M M
10/8/2014 7:00 AM 0.62 M M M M
10/10/2014 7:00 AM 0.00 0.0 M M M
10/11/2014 7:30 AM 0.33 M M M M
10/12/2014 7:00 AM 0.15 M M M M
10/13/2014 7:00 AM 0.00 0.0 M M M
10/14/2014 7:00 AM 0.05 M M M M
10/15/2014 7:00 AM 0.00 0.0 M M M
10/16/2014 7:00 AM 1.00 M M M M
10/17/2014 7:00 AM 0.00 0.0 M M M
10/20/2014 7:00 AM 0.00 0.0 M M M No frost.
10/21/2014 7:00 AM 0.02 M M M M
10/22/2014 7:00 AM 0.11 M M M M Just one sound of thunder around two AM
10/23/2014 7:00 AM 0.46 M M M M
10/24/2014 7:00 AM 0.06 M M M M
10/25/2014 7:00 AM 0.00 0.0 M M M
10/29/2014 7:00 AM 0.00 0.0 M M M
10/30/2014 7:00 AM 0.06 M M M M
10/31/2014 7:00 AM 0.00 0.0 M M M
11/1/2014 7:30 AM 0.19 M M M M
11/2/2014 7:00 AM 0.32 M M M M
11/4/2014 7:00 AM T M M M M
11/6/2014 7:00 AM 0.34 M M M M
11/7/2014 7:00 AM 0.21 M M M M
11/8/2014 8:00 AM 0.02 M M M M Killing frost. Had to wait for ice to melt for precipitation
11/11/2014 7:00 AM 0.00 0.0 M M M
11/13/2014 7:00 AM 0.00 0.0 M M M
11/14/2014 7:00 AM 0.17 T M T M
11/17/2014 7:00 AM 0.45 M M M M
11/18/2014 7:00 AM 0.77 M M M M Had to melt ice before reporting
11/19/2014 7:00 AM 0.00 0.0 M M M
11/22/2014 7:00 AM 0.00 0.0 M M M
11/24/2014 7:00 AM 0.70 M M M M
11/26/2014 7:00 AM 0.21 M M M M
11/27/2014 7:00 AM 0.66 M M 1.5 M Combination of rain,snow sleet and one huge thunder!
11/28/2014 7:00 AM 0.00 0.0 M T M
11/29/2014 7:00 AM 0.00 0.0 M M M
12/2/2014 7:00 AM 0.08 M M M M Sleeting now
12/3/2014 7:00 AM 0.23 M M M M A reminder! Found that large gauge had cracks in bottom. Since we will be using only this in North check yours.
12/5/2014 7:30 AM T M M M M Sleeting
12/6/2014 8:00 AM 0.38 M M M M
12/7/2014 7:00 AM 0.77 M M M M
12/9/2014 7:00 AM 0.33 M M M M
12/10/2014 7:00 AM 0.13 M M M M
12/11/2014 7:00 AM 0.01 T M T M
12/12/2014 7:00 AM 0.07 M M M M
12/13/2014 7:00 AM 0.00 0.0 M M M
12/17/2014 7:00 AM 0.13 M M M M
6/18/2015 7:30 AM 1.15 M M M M
6/19/2015 7:00 AM 0.13 M M M M
6/20/2015 7:00 AM 0.10 M M M M
6/21/2015 7:00 AM 0.54 M M M M
6/22/2015 7:00 AM 0.00 0.0 M M M
6/23/2015 7:00 AM 0.00 0.0 M M M
6/24/2015 5:00 AM 0.86 M M M M HEAVY RAIN, STRONG WINDS. TREES AND LARGE LIMBS ALL OVER NEIGHBORHOOD.LOSS OF POWER. OURS BACK AFTER 5HRS.SOUNDS OF GENERATORS THIS MORNING.
6/25/2015 7:00 AM 0.00 0.0 M M M
6/26/2015 7:00 AM 0.14 M M M M
6/27/2015 7:00 AM 0.00 0.0 M M M
6/28/2015 7:00 AM 2.26 M M M M Strong winds with leaves and medium branches. Lights flickered. Standing water. Small stream on property flooded.
6/29/2015 7:00 AM 0.00 0.0 M M M
6/30/2015 7:00 AM 0.00 0.0 M M M
7/1/2015 7:00 AM 0.72 M M M M Tornado warnings all around-mid afternoon,but just a trace of rain. Heavy cloud to ground lighting with rain around 3AM
7/2/2015 7:00 AM 0.00 0.0 M M M
7/3/2015 7:00 AM 0.03 M M M M
7/4/2015 7:00 AM 0.00 0.0 M M M
7/5/2015 7:00 AM 0.11 M M M M
7/6/2015 7:00 AM 0.00 0.0 M M M
7/7/2015 7:00 AM 0.12 M M M M
7/8/2015 7:00 AM 0.00 0.0 M M M
7/9/2015 7:00 AM 0.63 M M M M
7/10/2015 7:00 AM 0.60 M M M M Heavy wind,lighting and rain. Lighting hit of tree resulting in coming down. West Chester Borough had streets closed to small streams and runoff
7/11/2015 7:00 AM 0.00 0.0 M M M
7/12/2015 7:00 AM 0.00 0.0 M M M
7/13/2015 7:00 AM 0.00 0.0 M M M
7/14/2015 7:00 AM 0.26 M M M M
7/15/2015 7:00 AM 0.89 M M M M Mainly cloud to cloud lighting. No wind, just heavy rain
7/16/2015 7:00 AM 0.39 M M M M A beautiful fall morning in mid summer-clear, cool, slight wind, low humidity
7/17/2015 7:00 AM 0.00 0.0 M M M
7/18/2015 7:00 AM 0.00 0.0 M M M
7/20/2015 7:00 AM 0.00 0.0 M M M Warm and humid this morning
7/22/2015 7:00 AM 0.02 M M M M
7/24/2015 7:00 AM 0.00 0.0 M M M
7/25/2015 7:00 AM 0.00 0.0 M M M
7/26/2015 7:00 AM 0.00 0.0 M M M
7/27/2015 6:30 AM 0.28 M M M M
7/28/2015 7:00 AM 0.00 0.0 M M M
7/29/2015 7:00 AM 0.00 0.0 M M M
7/30/2015 7:00 AM 0.00 0.0 M M M
7/31/2015 7:00 AM 0.25 M M M M
8/1/2015 7:00 AM 0.00 0.0 M M M
8/2/2015 7:00 AM 0.00 0.0 M M M
8/3/2015 7:00 AM 0.00 0.0 M M M
8/4/2015 7:00 AM 0.10 M M M M
8/6/2015 7:00 AM 0.00 0.0 M M M
8/7/2015 7:00 AM 0.08 M M M M
8/8/2015 7:00 AM 0.00 0.0 M M M
8/9/2015 7:00 AM 0.00 0.0 M M M
8/10/2015 7:00 AM T M M M M
8/11/2015 7:00 AM 0.63 M M M M
8/12/2015 7:00 AM 0.07 M M M M
8/13/2015 7:00 AM 0.00 0.0 M M M
8/14/2015 7:00 AM 0.00 0.0 M M M
8/15/2015 7:00 AM 0.00 0.0 M M M
8/16/2015 7:00 AM 0.00 0.0 M M M
8/17/2015 7:00 AM 0.00 0.0 M M M
8/19/2015 7:00 AM 0.00 0.0 M M M
8/20/2015 7:00 AM 0.05 M M M M
8/21/2015 7:00 AM 0.48 M M M M
8/22/2015 7:00 AM 0.00 0.0 M M M
8/25/2015 7:00 AM 0.00 0.0 M M M
8/27/2015 7:00 AM 0.00 0.0 M M M
8/28/2015 7:00 AM 0.00 0.0 M M M
8/29/2015 7:00 AM 0.00 0.0 M M M
8/30/2015 8:00 AM 0.00 0.0 M M M Becoming very dry with our clay soil cracking. Large trees dropping leaves. Surface soil in gardens dry.
8/31/2015 7:00 AM 0.00 0.0 M M M
9/1/2015 7:00 AM 0.00 0.0 M M M
9/2/2015 7:00 AM 0.00 0.0 M M M
9/3/2015 7:00 AM 0.00 0.0 M M M
9/4/2015 7:00 AM 0.14 M M M M Rain came with the 8:30PM storm. Another storm during the night was heavy lighting and thunder,but no rain.
9/5/2015 7:00 AM 0.00 0.0 M M M
9/6/2015 7:00 AM 0.00 0.0 M M M
9/7/2015 7:00 AM 0.00 0.0 M M M
9/8/2015 7:00 AM 0.00 0.0 M M M We need rain!
9/9/2015 7:00 AM 0.00 0.0 M M M Beginning to look rain
9/10/2015 7:00 AM 0.07 M M M M raining
9/11/2015 7:00 AM 0.78 M M M M
9/12/2015 7:00 AM 0.00 0.0 M M M
9/13/2015 7:00 AM 0.40 M M M M
9/14/2015 7:00 AM 0.00 0.0 M M M
9/15/2015 7:00 AM 0.00 0.0 M M M
9/16/2015 7:00 AM 0.00 0.0 M M M
9/17/2015 7:00 AM 0.00 0.0 M M M
9/18/2015 7:00 AM 0.00 0.0 M M M
9/19/2015 7:00 AM 0.00 0.0 M M M Fog
9/20/2015 7:00 AM 0.00 0.0 M M M
9/21/2015 7:00 AM 0.00 0.0 M M M
9/22/2015 7:00 AM T M M M M
9/23/2015 7:00 AM 0.00 0.0 M M M
9/24/2015 7:00 AM 0.00 0.0 M M M
9/25/2015 7:00 AM 0.00 0.0 M M M
9/26/2015 7:00 AM 0.00 0.0 M M M
9/27/2015 7:00 AM 0.00 0.0 M M M Leaves are dropping with very little color
9/28/2015 7:00 AM 0.00 0.0 M M M
9/29/2015 7:00 AM T M M M M
9/30/2015 6:30 AM 1.85 M M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
12/23/2014 12/25/2014 12:00 AM 3 1.20 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