Viewing Station: SD-CS-42 : Custer 21.4 W
Apr 28, 2024 - Dec 17, 2025584 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.24"
December 1-25, 2025(17 of 25 days covered by obs)
NOAA Normal
0.46"
Departure from Normal
-0.22" : 52% of Normal
Year-To-Date: 15.13"
Jan 1 to Dec 25, 2025(350 of 359 days covered by obs)
NOAA Normal
17.35"
Departure from Normal
-2.22" : 87% of Normal
Water Year-To-Date: 3.28"
Oct 1, 2025 to Dec 25, 2025(78 of 86 days covered by obs)
NOAA Normal
2.37"
Departure from Normal
0.91" : 138% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.52
0.56
-0.04
Feb
0.66
0.73
-0.07
Mar
0.80
0.87
-0.07
Apr
1.71
1.81
-0.10
May
2.83
3.02
-0.19
Jun
2.90
3.17
-0.27
Jul
2.59
2.77
-0.18
Aug
1.76
2.06
-0.30
Sep
1.21
1.25
-0.04
Oct
1.29
1.45
-0.16
Nov
0.62
0.70
-0.08
Dec
0.57
0.58
-0.01
17.46
18.97
-1.51