Viewing Station: SD-FK-6 : Chelsea 3.8 W
Feb 2, 2002 - May 9, 20251,415 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.15"
May 1-10, 2025(9 of 10 days covered by obs)
NOAA Normal
1.03"
Departure from Normal
-0.88" : 15% of Normal
Year-To-Date: 3.53"
Jan 1 to May 10, 2025(127 of 130 days covered by obs)
NOAA Normal
4.87"
Departure from Normal
-1.34" : 72% of Normal
Water Year-To-Date: 5.36"
Oct 1, 2024 to May 10, 2025(217 of 222 days covered by obs)
NOAA Normal
7.91"
Departure from Normal
-2.55" : 68% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.47
0.49
-0.02
Feb
0.59
0.61
-0.02
Mar
0.89
0.91
-0.02
Apr
1.89
2.04
-0.15
May
3.19
3.28
-0.09
Jun
3.50
3.60
-0.10
Jul
3.13
3.18
-0.05
Aug
2.29
2.41
-0.12
Sep
2.03
2.09
-0.06
Oct
1.86
1.91
-0.05
Nov
0.61
0.67
-0.06
Dec
0.57
0.58
-0.01
21.02
21.77
-0.75