Viewing Station: MA-DK-18 : Oak Bluffs 0.1 SW
May 6, 2020 - Aug 22, 20262,110 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.47"
August 1-23, 2026(22 of 23 days covered by obs)
NOAA Normal
2.53"
Departure from Normal
-1.06" : 58% of Normal
Year-To-Date: 31.38"
Jan 1 to Aug 23, 2026(231 of 235 days covered by obs)
NOAA Normal
28.17"
Departure from Normal
3.21" : 111% of Normal
Water Year-To-Date: 43.71"
Oct 1, 2025 to Aug 23, 2026(323 of 327 days covered by obs)
NOAA Normal
41.75"
Departure from Normal
1.96" : 105% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.85
4.14
-0.29
Feb
3.48
3.61
-0.13
Mar
4.76
4.96
-0.20
Apr
4.12
4.25
-0.13
May
3.42
3.46
-0.04
Jun
3.36
3.33
0.03
Jul
2.65
2.72
-0.07
Aug
3.41
3.55
-0.14
Sep
4.04
3.84
0.20
Oct
4.68
4.62
0.06
Nov
4.18
4.13
0.05
Dec
4.72
4.97
-0.25
46.67
47.58
-0.91