Viewing Station: MA-DK-25 : West Tisbury 3.6 NE
Aug 9, 2020 - Aug 31, 2025806 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 3.23"
August 1-31, 2025(31 of 31 days covered by obs)
NOAA Normal
3.40"
Departure from Normal
-0.17" : 95% of Normal
Year-To-Date: 28.52"
Jan 1 to Aug 31, 2025(164 of 243 days covered by obs)
NOAA Normal
29.47"
Departure from Normal
-0.95" : 97% of Normal
Water Year-To-Date: 37.26"
Oct 1, 2024 to Aug 31, 2025(239 of 335 days covered by obs)
NOAA Normal
43.18"
Departure from Normal
-5.92" : 86% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.95
4.14
-0.19
Feb
3.54
3.62
-0.08
Mar
4.89
5.02
-0.13
Apr
4.17
4.28
-0.11
May
3.43
3.42
0.01
Jun
3.42
3.27
0.15
Jul
2.67
2.69
-0.02
Aug
3.40
3.54
-0.14
Sep
4.07
3.77
0.30
Oct
4.69
4.63
0.06
Nov
4.20
4.15
0.05
Dec
4.82
4.99
-0.17
47.25
47.52
-0.27