Viewing Station: SD-CD-5 : Watertown 7.5 NNE
May 11, 2008 - Sep 19, 20261,097 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.95"
September 1-22, 2026(5 of 22 days covered by obs)
NOAA Normal
1.89"
Departure from Normal
0.06" : 103% of Normal
Year-To-Date: 14.84"
Jan 1 to Sep 22, 2026(32 of 265 days covered by obs)
NOAA Normal
20.01"
Departure from Normal
-5.17" : 74% of Normal
Water Year-To-Date: 16.42"
Oct 1, 2025 to Sep 22, 2026(41 of 357 days covered by obs)
NOAA Normal
23.74"
Departure from Normal
-7.32" : 69% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.61
0.70
-0.09
Feb
0.64
0.62
0.02
Mar
1.09
1.06
0.03
Apr
2.19
2.19
0.00
May
3.10
2.90
0.20
Jun
3.97
3.79
0.18
Jul
3.59
3.33
0.26
Aug
2.93
2.80
0.13
Sep
2.58
2.51
0.07
Oct
2.20
2.14
0.06
Nov
0.85
0.86
-0.01
Dec
0.68
0.66
0.02
24.43
23.56
0.87