Viewing Station: SD-BN-20 : Martin 13.5 W
Apr 24, 2022 - Sep 18, 20261,446 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.67"
September 1-18, 2026(18 of 18 days covered by obs)
NOAA Normal
0.90"
Departure from Normal
0.77" : 186% of Normal
Year-To-Date: 10.30"
Jan 1 to Sep 18, 2026(260 of 261 days covered by obs)
NOAA Normal
16.95"
Departure from Normal
-6.65" : 61% of Normal
Water Year-To-Date: 11.06"
Oct 1, 2025 to Sep 18, 2026(352 of 353 days covered by obs)
NOAA Normal
19.67"
Departure from Normal
-8.61" : 56% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.44
0.39
0.05
Feb
0.60
0.58
0.02
Mar
1.15
1.16
-0.01
Apr
2.34
2.32
0.02
May
3.39
3.33
0.06
Jun
3.55
3.56
-0.01
Jul
2.40
2.62
-0.22
Aug
2.18
2.04
0.14
Sep
1.50
1.49
0.01
Oct
1.56
1.60
-0.04
Nov
0.66
0.66
0.00
Dec
0.50
0.47
0.03
20.27
20.22
0.05