Viewing Station: MA-DK-27 : West Tisbury 0.7 NNE
May 15, 2025 - Aug 9, 2026447 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.71"
August 1-9, 2026(9 of 9 days covered by obs)
NOAA Normal
0.98"
Departure from Normal
-0.27" : 72% of Normal
Year-To-Date: 25.73"
Jan 1 to Aug 9, 2026(219 of 221 days covered by obs)
NOAA Normal
26.99"
Departure from Normal
-1.26" : 95% of Normal
Water Year-To-Date: 39.23"
Oct 1, 2025 to Aug 9, 2026(311 of 313 days covered by obs)
NOAA Normal
40.63"
Departure from Normal
-1.40" : 97% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.93
4.14
-0.21
Feb
3.53
3.63
-0.10
Mar
4.89
5.03
-0.14
Apr
4.16
4.30
-0.14
May
3.41
3.40
0.01
Jun
3.43
3.23
0.20
Jul
2.66
2.67
-0.01
Aug
3.38
3.54
-0.16
Sep
4.04
3.73
0.31
Oct
4.63
4.64
-0.01
Nov
4.19
4.16
0.03
Dec
4.82
5.00
-0.18
47.07
47.47
-0.40