Viewing Station: MT-LY-9 : Chester 13.8 NNW
Sep 8, 2021 - Sep 17, 20251,458 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.05"
September 1-18, 2025(17 of 18 days covered by obs)
NOAA Normal
0.62"
Departure from Normal
-0.57" : 8% of Normal
Year-To-Date: 9.01"
Jan 1 to Sep 18, 2025(259 of 261 days covered by obs)
NOAA Normal
9.36"
Departure from Normal
-0.35" : 96% of Normal
Water Year-To-Date: 9.51"
Oct 1, 2024 to Sep 18, 2025(351 of 353 days covered by obs)
NOAA Normal
10.95"
Departure from Normal
-1.44" : 87% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.42
0.39
0.03
Feb
0.36
0.33
0.03
Mar
0.43
0.45
-0.02
Apr
0.98
1.07
-0.09
May
1.66
1.72
-0.06
Jun
2.71
2.89
-0.18
Jul
1.12
1.27
-0.15
Aug
1.06
1.16
-0.10
Sep
1.03
1.15
-0.12
Oct
0.72
0.76
-0.04
Nov
0.51
0.54
-0.03
Dec
0.36
0.36
0.00
11.36
12.09
-0.73