Viewing Station: MT-CC-19 : Great Falls 5.4 SSW
May 12, 2022 - Jul 16, 202588 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.14"
July 1-17, 2025(12 of 17 days covered by obs)
NOAA Normal
0.67"
Departure from Normal
0.47" : 169% of Normal
Year-To-Date: 5.65"
Jan 1 to Jul 17, 2025(60 of 198 days covered by obs)
NOAA Normal
9.15"
Departure from Normal
-3.50" : 62% of Normal
Water Year-To-Date: 5.65"
Oct 1, 2024 to Jul 17, 2025(60 of 290 days covered by obs)
NOAA Normal
11.25"
Departure from Normal
-5.60" : 50% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.47
0.56
-0.09
Feb
0.53
0.56
-0.03
Mar
0.67
0.65
0.02
Apr
1.57
1.69
-0.12
May
2.43
2.38
0.05
Jun
2.81
2.91
-0.10
Jul
1.23
1.19
0.04
Aug
1.04
1.24
-0.20
Sep
1.41
1.35
0.06
Oct
1.07
1.04
0.03
Nov
0.56
0.66
-0.10
Dec
0.47
0.52
-0.05
14.26
14.75
-0.49