Viewing Station: PA-BT-6 : Butler 6.6 SW
Oct 19, 2009 - Sep 20, 20265,899 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 4.05"
September 1-20, 2026(20 of 20 days covered by obs)
NOAA Normal
2.52"
Departure from Normal
1.53" : 161% of Normal
Year-To-Date: 37.07"
Jan 1 to Sep 20, 2026(263 of 263 days covered by obs)
NOAA Normal
31.10"
Departure from Normal
5.97" : 119% of Normal
Water Year-To-Date: 45.51"
Oct 1, 2025 to Sep 20, 2026(355 of 355 days covered by obs)
NOAA Normal
40.51"
Departure from Normal
5.00" : 112% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.06
3.25
-0.19
Feb
2.42
2.51
-0.09
Mar
3.28
3.21
0.07
Apr
3.49
3.50
-0.01
May
3.84
3.77
0.07
Jun
4.56
4.26
0.30
Jul
4.18
4.19
-0.01
Aug
3.75
3.83
-0.08
Sep
3.78
3.78
0.00
Oct
3.13
3.07
0.06
Nov
3.04
3.20
-0.16
Dec
3.24
3.12
0.12
41.77
41.69
0.08