Viewing Station: MA-DK-27 : West Tisbury 0.7 NNE
May 15, 2025 - Sep 8, 2026472 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.23"
September 1-8, 2026(8 of 8 days covered by obs)
NOAA Normal
1.08"
Departure from Normal
0.15" : 114% of Normal
Year-To-Date: 28.94"
Jan 1 to Sep 8, 2026(249 of 251 days covered by obs)
NOAA Normal
30.47"
Departure from Normal
-1.53" : 95% of Normal
Water Year-To-Date: 42.44"
Oct 1, 2025 to Sep 8, 2026(341 of 343 days covered by obs)
NOAA Normal
44.11"
Departure from Normal
-1.67" : 96% 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