Viewing Station: SD-BK-2 : Astoria 2.2 SSE
Jun 1, 2007 - Sep 17, 20256,303 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.44"
September 1-17, 2025(17 of 17 days covered by obs)
NOAA Normal
1.67"
Departure from Normal
-0.23" : 86% of Normal
Year-To-Date: 27.37"
Jan 1 to Sep 17, 2025(260 of 260 days covered by obs)
NOAA Normal
21.81"
Departure from Normal
5.56" : 126% of Normal
Water Year-To-Date: 30.42"
Oct 1, 2024 to Sep 17, 2025(352 of 352 days covered by obs)
NOAA Normal
25.97"
Departure from Normal
4.45" : 117% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.65
0.65
0.00
Feb
0.72
0.70
0.02
Mar
1.41
1.33
0.08
Apr
2.64
2.54
0.10
May
3.52
3.67
-0.15
Jun
4.19
4.64
-0.45
Jul
3.58
3.62
-0.04
Aug
3.43
3.38
0.05
Sep
2.94
3.11
-0.17
Oct
2.21
2.19
0.02
Nov
1.10
1.02
0.08
Dec
0.85
0.80
0.05
27.24
27.65
-0.41