Viewing Station: PA-BT-27 : Slippery Rock 5.2 SE
Nov 21, 2018 - Jan 21, 20261,447 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.09"
January 1-22, 2026(21 of 22 days covered by obs)
NOAA Normal
2.21"
Departure from Normal
-1.12" : 49% of Normal
Year-To-Date: 1.09"
Jan 1 to Jan 22, 2026(21 of 22 days covered by obs)
NOAA Normal
2.21"
Departure from Normal
-1.12" : 49% of Normal
Water Year-To-Date: 10.14"
Oct 1, 2025 to Jan 22, 2026(106 of 114 days covered by obs)
NOAA Normal
11.91"
Departure from Normal
-1.77" : 85% 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