Viewing Station: PA-WS-22 : Canonsburg 3.7 NW
Sep 12, 2017 - Sep 20, 20262,963 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 6.81"
September 1-20, 2026(20 of 20 days covered by obs)
NOAA Normal
2.29"
Departure from Normal
4.52" : 297% of Normal
Year-To-Date: 46.07"
Jan 1 to Sep 20, 2026(263 of 263 days covered by obs)
NOAA Normal
30.95"
Departure from Normal
15.12" : 149% of Normal
Water Year-To-Date: 53.52"
Oct 1, 2025 to Sep 20, 2026(355 of 355 days covered by obs)
NOAA Normal
39.90"
Departure from Normal
13.62" : 134% 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