Viewing Station: SD-ML-3 : Norris 2.0 SSW
Jan 1, 2008 - Sep 18, 20264,623 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.56"
September 1-20, 2026(18 of 20 days covered by obs)
NOAA Normal
1.07"
Departure from Normal
-0.51" : 53% of Normal
Year-To-Date: 14.71"
Jan 1 to Sep 20, 2026(261 of 263 days covered by obs)
NOAA Normal
17.39"
Departure from Normal
-2.68" : 85% of Normal
Water Year-To-Date: 16.64"
Oct 1, 2025 to Sep 20, 2026(351 of 355 days covered by obs)
NOAA Normal
20.32"
Departure from Normal
-3.68" : 82% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.47
0.46
0.01
Feb
0.67
0.62
0.05
Mar
1.16
1.16
0.00
Apr
2.46
2.36
0.10
May
3.50
3.51
-0.01
Jun
3.39
3.46
-0.07
Jul
2.48
2.56
-0.08
Aug
2.19
2.08
0.11
Sep
1.60
1.51
0.09
Oct
1.69
1.67
0.02
Nov
0.66
0.64
0.02
Dec
0.58
0.55
0.03
20.85
20.58
0.27