Viewing Station: SC-BF-66 : Hilton Head Island 4.1 NE
Oct 4, 2017 - May 20, 20262,559 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 2.29"
May 1-30, 2026(20 of 30 days covered by obs)
NOAA Normal
3.08"
Departure from Normal
-0.79" : 74% of Normal
Year-To-Date: 6.74"
Jan 1 to May 30, 2026(140 of 150 days covered by obs)
NOAA Normal
16.12"
Departure from Normal
-9.38" : 42% of Normal
Water Year-To-Date: 14.32"
Oct 1, 2025 to May 30, 2026(232 of 242 days covered by obs)
NOAA Normal
25.84"
Departure from Normal
-11.52" : 55% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.39
3.38
0.01
Feb
3.12
2.93
0.19
Mar
3.37
3.46
-0.09
Apr
3.16
3.10
0.06
May
3.18
3.01
0.17
Jun
5.30
5.45
-0.15
Jul
5.72
5.57
0.15
Aug
6.55
6.78
-0.23
Sep
4.81
5.09
-0.28
Oct
4.23
4.47
-0.24
Nov
2.45
2.40
0.05
Dec
3.04
3.24
-0.20
48.32
48.88
-0.56