Viewing Station: PA-CH-49 : Exton 2.1 SE
Mar 22, 2020 - Aug 21, 20262,483 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 5.55"
August 1-21, 2026(21 of 21 days covered by obs)
NOAA Normal
2.97"
Departure from Normal
2.58" : 187% of Normal
Year-To-Date: 27.71"
Jan 1 to Aug 21, 2026(234 of 233 days covered by obs)
NOAA Normal
30.15"
Departure from Normal
-2.44" : 92% of Normal
Water Year-To-Date: 35.33"
Oct 1, 2025 to Aug 21, 2026(326 of 325 days covered by obs)
NOAA Normal
41.90"
Departure from Normal
-6.57" : 84% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.51
3.55
-0.04
Feb
2.83
2.88
-0.05
Mar
4.21
4.22
-0.01
Apr
3.73
3.70
0.03
May
3.87
3.85
0.02
Jun
4.36
4.33
0.03
Jul
4.67
4.61
0.06
Aug
4.38
4.56
-0.18
Sep
4.83
4.97
-0.14
Oct
4.27
4.43
-0.16
Nov
3.30
3.31
-0.01
Dec
4.18
4.44
-0.26
48.14
48.85
-0.71