Viewing Station: SD-BT-18 : Nisland 2.8 SE
May 27, 2021 - Aug 17, 202590 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.00"
September 1-15, 2025(0 of 15 days covered by obs)
NOAA Normal
0.64"
Departure from Normal
-0.64" : 0% of Normal
Year-To-Date: 5.56"
Jan 1 to Sep 15, 2025(9 of 258 days covered by obs)
NOAA Normal
15.11"
Departure from Normal
-9.55" : 37% of Normal
Water Year-To-Date: 7.01"
Oct 1, 2024 to Sep 15, 2025(13 of 350 days covered by obs)
NOAA Normal
18.01"
Departure from Normal
-11.00" : 39% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.51
0.41
0.10
Feb
0.67
0.55
0.12
Mar
1.08
0.99
0.09
Apr
2.02
2.05
-0.03
May
3.49
3.34
0.15
Jun
3.02
3.09
-0.07
Jul
2.10
2.09
0.01
Aug
1.58
1.58
0.00
Sep
1.28
1.19
0.09
Oct
1.63
1.65
-0.02
Nov
0.71
0.60
0.11
Dec
0.56
0.51
0.05
18.65
18.05
0.60