Viewing Station: MT-MD-13 : West Yellowstone 25.2 NW
May 1, 2022 - Sep 22, 2026730 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.97"
September 1-22, 2026(22 of 22 days covered by obs)
NOAA Normal
0.92"
Departure from Normal
0.05" : 105% of Normal
Year-To-Date: 9.85"
Jan 1 to Sep 22, 2026(101 of 265 days covered by obs)
NOAA Normal
15.86"
Departure from Normal
-6.01" : 62% of Normal
Water Year-To-Date: 11.99"
Oct 1, 2025 to Sep 22, 2026(129 of 357 days covered by obs)
NOAA Normal
21.30"
Departure from Normal
-9.31" : 56% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.81
2.48
-0.67
Feb
1.60
2.27
-0.67
Mar
1.73
2.24
-0.51
Apr
2.07
2.23
-0.16
May
2.66
2.77
-0.11
Jun
2.57
2.44
0.13
Jul
1.34
1.24
0.10
Aug
1.16
1.11
0.05
Sep
1.26
1.29
-0.03
Oct
1.70
1.78
-0.08
Nov
1.73
2.13
-0.40
Dec
2.01
2.69
-0.68
21.64
24.67
-3.03