Viewing Station: PA-WS-22 : Canonsburg 3.7 NW
Sep 12, 2017 - Aug 21, 20262,933 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 10.28"
August 1-21, 2026(21 of 21 days covered by obs)
NOAA Normal
2.51"
Departure from Normal
7.77" : 410% of Normal
Year-To-Date: 38.62"
Jan 1 to Aug 21, 2026(233 of 233 days covered by obs)
NOAA Normal
27.47"
Departure from Normal
11.15" : 141% of Normal
Water Year-To-Date: 46.07"
Oct 1, 2025 to Aug 21, 2026(325 of 325 days covered by obs)
NOAA Normal
36.42"
Departure from Normal
9.65" : 127% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.13
3.23
-0.10
Feb
2.60
2.57
0.03
Mar
3.32
3.31
0.01
Apr
3.50
3.43
0.07
May
4.11
4.07
0.04
Jun
4.12
4.30
-0.18
Jul
4.18
4.01
0.17
Aug
3.70
3.49
0.21
Sep
3.44
3.43
0.01
Oct
3.03
3.02
0.01
Nov
2.82
3.00
-0.18
Dec
3.10
3.21
-0.11
41.05
41.07
-0.02