Viewing Station: MT-LY-2 : Chester 0.3 ESE
May 18, 2021 - Sep 17, 20251,082 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.13"
September 1-18, 2025(17 of 18 days covered by obs)
NOAA Normal
0.57"
Departure from Normal
-0.44" : 23% of Normal
Year-To-Date: 6.40"
Jan 1 to Sep 18, 2025(191 of 261 days covered by obs)
NOAA Normal
9.07"
Departure from Normal
-2.67" : 71% of Normal
Water Year-To-Date: 6.43"
Oct 1, 2024 to Sep 18, 2025(239 of 353 days covered by obs)
NOAA Normal
10.73"
Departure from Normal
-4.30" : 60% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.45
0.47
-0.02
Feb
0.38
0.36
0.02
Mar
0.43
0.44
-0.01
Apr
0.96
0.97
-0.01
May
1.64
1.68
-0.04
Jun
2.53
2.60
-0.07
Jul
1.10
1.27
-0.17
Aug
1.01
1.08
-0.07
Sep
0.95
0.90
0.05
Oct
0.73
0.65
0.08
Nov
0.51
0.51
0.00
Dec
0.42
0.44
-0.02
11.11
11.37
-0.26