Viewing Station: MA-DK-18 : Oak Bluffs 0.1 SW
May 6, 2020 - May 11, 20262,019 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.53"
May 1-11, 2026(11 of 11 days covered by obs)
NOAA Normal
1.21"
Departure from Normal
0.32" : 126% of Normal
Year-To-Date: 15.83"
Jan 1 to May 11, 2026(128 of 131 days covered by obs)
NOAA Normal
17.42"
Departure from Normal
-1.59" : 91% of Normal
Water Year-To-Date: 28.16"
Oct 1, 2025 to May 11, 2026(220 of 223 days covered by obs)
NOAA Normal
31.00"
Departure from Normal
-2.84" : 91% 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