Viewing Station: SD-SB-4 : Letcher 0.5 E
Aug 9, 2024 - Sep 15, 2025382 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.59"
September 1-16, 2025(14 of 16 days covered by obs)
NOAA Normal
1.36"
Departure from Normal
-0.77" : 43% of Normal
Year-To-Date: 16.34"
Jan 1 to Sep 16, 2025(254 of 259 days covered by obs)
NOAA Normal
19.51"
Departure from Normal
-3.17" : 84% of Normal
Water Year-To-Date: 18.41"
Oct 1, 2024 to Sep 16, 2025(341 of 351 days covered by obs)
NOAA Normal
22.91"
Departure from Normal
-4.50" : 80% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.50
0.52
-0.02
Feb
0.82
0.68
0.14
Mar
1.15
1.14
0.01
Apr
2.66
2.80
-0.14
May
3.43
3.55
-0.12
Jun
3.76
3.78
-0.02
Jul
2.94
2.92
0.02
Aug
2.89
2.92
-0.03
Sep
2.55
2.51
0.04
Oct
1.98
2.03
-0.05
Nov
0.80
0.87
-0.07
Dec
0.62
0.63
-0.01
24.10
24.35
-0.25