Viewing Station: PA-CH-9 : West Chester 2.4 SSE
Jan 14, 2009 - Jun 9, 20265,886 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.07"
June 1-9, 2026(9 of 9 days covered by obs)
NOAA Normal
1.28"
Departure from Normal
-1.21" : 5% of Normal
Year-To-Date: 15.21"
Jan 1 to Jun 9, 2026(158 of 160 days covered by obs)
NOAA Normal
19.16"
Departure from Normal
-3.95" : 79% of Normal
Water Year-To-Date: 22.69"
Oct 1, 2025 to Jun 9, 2026(249 of 252 days covered by obs)
NOAA Normal
30.86"
Departure from Normal
-8.17" : 74% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.44
3.57
-0.13
Feb
2.79
2.88
-0.09
Mar
4.22
4.33
-0.11
Apr
3.68
3.69
-0.01
May
3.75
3.87
-0.12
Jun
4.28
4.38
-0.10
Jul
4.60
4.62
-0.02
Aug
4.37
4.60
-0.23
Sep
4.89
4.99
-0.10
Oct
4.19
4.36
-0.17
Nov
3.32
3.30
0.02
Dec
4.19
4.39
-0.20
47.72
48.98
-1.26