Viewing Station: SC-SM-30 : Sumter 1.1 SSW
Aug 10, 2018 - Sep 10, 20262,779 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.39"
September 1-12, 2026(10 of 12 days covered by obs)
NOAA Normal
1.66"
Departure from Normal
-1.27" : 23% of Normal
Year-To-Date: 20.04"
Jan 1 to Sep 12, 2026(253 of 255 days covered by obs)
NOAA Normal
34.03"
Departure from Normal
-13.99" : 59% of Normal
Water Year-To-Date: 29.16"
Oct 1, 2025 to Sep 12, 2026(345 of 347 days covered by obs)
NOAA Normal
43.94"
Departure from Normal
-14.78" : 66% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.61
3.69
-0.08
Feb
3.36
3.55
-0.19
Mar
3.55
3.72
-0.17
Apr
3.15
3.23
-0.08
May
3.56
3.76
-0.20
Jun
4.75
4.97
-0.22
Jul
5.24
5.09
0.15
Aug
5.15
5.03
0.12
Sep
4.16
4.29
-0.13
Oct
3.46
3.53
-0.07
Nov
2.81
2.93
-0.12
Dec
3.64
3.76
-0.12
46.44
47.55
-1.11