Viewing Station: SD-CD-42 : Watertown 3.4 S
May 19, 2025 - Sep 13, 2026286 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.43"
September 1-13, 2026(13 of 13 days covered by obs)
NOAA Normal
1.14"
Departure from Normal
-0.71" : 38% of Normal
Year-To-Date: 10.35"
Jan 1 to Sep 13, 2026(118 of 256 days covered by obs)
NOAA Normal
19.41"
Departure from Normal
-9.06" : 53% of Normal
Water Year-To-Date: 11.00"
Oct 1, 2025 to Sep 13, 2026(156 of 348 days covered by obs)
NOAA Normal
23.03"
Departure from Normal
-12.03" : 48% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.58
0.64
-0.06
Feb
0.64
0.61
0.03
Mar
1.15
1.06
0.09
Apr
2.25
2.25
0.00
May
3.11
2.94
0.17
Jun
4.05
3.92
0.13
Jul
3.47
3.19
0.28
Aug
3.02
2.95
0.07
Sep
2.62
2.48
0.14
Oct
2.10
2.14
-0.04
Nov
0.85
0.85
0.00
Dec
0.67
0.66
0.01
24.51
23.69
0.82