Viewing Station: MT-LY-10 : Chester 15.6 N
Sep 1, 2021 - May 18, 20261,717 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.44"
May 1-18, 2026(18 of 18 days covered by obs)
NOAA Normal
1.00"
Departure from Normal
-0.56" : 44% of Normal
Year-To-Date: 1.76"
Jan 1 to May 18, 2026(138 of 138 days covered by obs)
NOAA Normal
3.24"
Departure from Normal
-1.48" : 54% of Normal
Water Year-To-Date: 4.45"
Oct 1, 2025 to May 18, 2026(230 of 230 days covered by obs)
NOAA Normal
4.86"
Departure from Normal
-0.41" : 91% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.43
0.39
0.04
Feb
0.37
0.32
0.05
Mar
0.44
0.43
0.01
Apr
1.00
1.04
-0.04
May
1.73
1.75
-0.02
Jun
2.76
2.84
-0.08
Jul
1.14
1.29
-0.15
Aug
1.11
1.18
-0.07
Sep
1.06
1.19
-0.13
Oct
0.74
0.77
-0.03
Nov
0.52
0.53
-0.01
Dec
0.36
0.34
0.02
11.66
12.07
-0.41