Viewing Station: SD-CS-34 : Custer 4.7 ENE
Dec 17, 2022 - Sep 18, 2025905 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.77"
September 1-18, 2025(18 of 18 days covered by obs)
NOAA Normal
1.03"
Departure from Normal
0.74" : 173% of Normal
Year-To-Date: 22.68"
Jan 1 to Sep 18, 2025(249 of 261 days covered by obs)
NOAA Normal
19.34"
Departure from Normal
3.34" : 117% of Normal
Water Year-To-Date: 23.70"
Oct 1, 2024 to Sep 18, 2025(334 of 353 days covered by obs)
NOAA Normal
22.03"
Departure from Normal
1.67" : 108% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.48
0.49
-0.01
Feb
0.73
0.73
0.00
Mar
1.17
1.19
-0.02
Apr
2.38
2.38
0.00
May
3.99
4.08
-0.09
Jun
3.58
3.40
0.18
Jul
3.58
3.44
0.14
Aug
2.40
2.33
0.07
Sep
1.71
1.52
0.19
Oct
1.55
1.60
-0.05
Nov
0.60
0.67
-0.07
Dec
0.54
0.55
-0.01
22.71
22.38
0.33