Viewing Station: MA-DK-9 : West Tisbury 0.4 S
Mar 21, 2016 - May 27, 20262,559 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 3.02"
May 1-27, 2026(26 of 27 days covered by obs)
NOAA Normal
2.97"
Departure from Normal
0.05" : 102% of Normal
Year-To-Date: 11.69"
Jan 1 to May 27, 2026(146 of 147 days covered by obs)
NOAA Normal
19.48"
Departure from Normal
-7.79" : 60% of Normal
Water Year-To-Date: 25.75"
Oct 1, 2025 to May 27, 2026(238 of 239 days covered by obs)
NOAA Normal
33.12"
Departure from Normal
-7.37" : 78% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.93
4.14
-0.21
Feb
3.53
3.62
-0.09
Mar
4.89
5.01
-0.12
Apr
4.16
4.29
-0.13
May
3.41
3.41
0.00
Jun
3.43
3.24
0.19
Jul
2.66
2.68
-0.02
Aug
3.38
3.54
-0.16
Sep
4.04
3.74
0.30
Oct
4.63
4.64
-0.01
Nov
4.19
4.15
0.04
Dec
4.82
4.98
-0.16
47.07
47.44
-0.37