Viewing Station: MT-RV-18 : Hamilton 9.2 SSW
Aug 1, 2022 - Sep 17, 20251,198 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.34"
September 1-17, 2025(17 of 17 days covered by obs)
NOAA Normal
0.68"
Departure from Normal
-0.34" : 50% of Normal
Year-To-Date: 12.63"
Jan 1 to Sep 17, 2025(259 of 260 days covered by obs)
NOAA Normal
12.63"
Departure from Normal
0.00" : 100% of Normal
Water Year-To-Date: 16.97"
Oct 1, 2024 to Sep 17, 2025(351 of 352 days covered by obs)
NOAA Normal
17.90"
Departure from Normal
-0.93" : 95% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.55
1.35
0.20
Feb
1.36
1.24
0.12
Mar
1.42
1.14
0.28
Apr
1.48
1.24
0.24
May
1.92
1.86
0.06
Jun
2.25
2.27
-0.02
Jul
1.03
1.03
0.00
Aug
0.94
0.87
0.07
Sep
1.20
1.17
0.03
Oct
1.66
1.49
0.17
Nov
1.84
1.58
0.26
Dec
1.77
1.54
0.23
18.42
16.78
1.64