Viewing Station: CO-MT-58 : Delta 5.9 S
Mar 22, 2020 - May 19, 20261,691 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.30"
May 1-19, 2026(4 of 19 days covered by obs)
NOAA Normal
0.48"
Departure from Normal
-0.18" : 63% of Normal
Year-To-Date: 2.06"
Jan 1 to May 19, 2026(89 of 139 days covered by obs)
NOAA Normal
3.01"
Departure from Normal
-0.95" : 68% of Normal
Water Year-To-Date: 4.78"
Oct 1, 2025 to May 19, 2026(170 of 231 days covered by obs)
NOAA Normal
5.07"
Departure from Normal
-0.29" : 94% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.64
0.44
0.20
Feb
0.58
0.50
0.08
Mar
0.63
0.57
0.06
Apr
0.68
0.66
0.02
May
0.78
0.80
-0.02
Jun
0.45
0.40
0.05
Jul
0.95
0.89
0.06
Aug
0.99
0.99
0.00
Sep
1.04
1.14
-0.10
Oct
0.90
0.95
-0.05
Nov
0.57
0.54
0.03
Dec
0.59
0.47
0.12
8.80
8.35
0.45