Viewing Station: PA-BT-27 : Slippery Rock 5.2 SE
Nov 21, 2018 - Sep 21, 20261,546 Total Observations
View:

Climatology

Precipitation Normals Comparison

Month-To-Date: 5.83"
September 1-24, 2026(14 of 24 days covered by obs)
NOAA Normal
3.13"
Departure from Normal
2.70" : 186% of Normal
Year-To-Date: 38.41"
Jan 1 to Sep 24, 2026(197 of 267 days covered by obs)
NOAA Normal
32.76"
Departure from Normal
5.65" : 117% of Normal
Water Year-To-Date: 47.46"
Oct 1, 2025 to Sep 24, 2026(282 of 359 days covered by obs)
NOAA Normal
42.46"
Departure from Normal
5.00" : 112% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.12
3.08
0.04
Feb
2.48
2.55
-0.07
Mar
3.28
3.30
-0.02
Apr
3.77
3.83
-0.06
May
3.89
3.95
-0.06
Jun
4.67
4.49
0.18
Jul
4.53
4.44
0.09
Aug
3.89
3.81
0.08
Sep
3.91
3.83
0.08
Oct
3.28
3.33
-0.05
Nov
3.17
3.26
-0.09
Dec
3.25
3.22
0.03
43.24
43.09
0.15