Viewing Station: PA-BT-70 : Slippery Rock 0.6 SSW
Aug 18, 2025 - Apr 16, 2026161 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 4.94"
April 1-16, 2026(16 of 16 days covered by obs)
NOAA Normal
2.06"
Departure from Normal
2.88" : 239% of Normal
Year-To-Date: 10.13"
Jan 1 to Apr 16, 2026(54 of 106 days covered by obs)
NOAA Normal
11.04"
Departure from Normal
-0.91" : 92% of Normal
Water Year-To-Date: 18.64"
Oct 1, 2025 to Apr 16, 2026(118 of 198 days covered by obs)
NOAA Normal
20.78"
Departure from Normal
-2.14" : 90% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.15
3.03
0.12
Feb
2.51
2.56
-0.05
Mar
3.32
3.33
-0.01
Apr
3.87
3.89
-0.02
May
3.99
4.00
-0.01
Jun
4.66
4.53
0.13
Jul
4.64
4.50
0.14
Aug
3.93
3.81
0.12
Sep
3.92
3.85
0.07
Oct
3.28
3.38
-0.10
Nov
3.20
3.28
-0.08
Dec
3.26
3.22
0.04
43.73
43.38
0.35