Viewing Station: MD-MG-109 : Silver Spring 2.1 NNE
Mar 31, 2016 - May 29, 20263,387 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 4.70"
May 1-29, 2026(29 of 29 days covered by obs)
NOAA Normal
3.98"
Departure from Normal
0.72" : 118% of Normal
Year-To-Date: 15.67"
Jan 1 to May 29, 2026(146 of 149 days covered by obs)
NOAA Normal
16.74"
Departure from Normal
-1.07" : 94% of Normal
Water Year-To-Date: 20.02"
Oct 1, 2025 to May 29, 2026(227 of 241 days covered by obs)
NOAA Normal
27.39"
Departure from Normal
-7.37" : 73% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.95
3.05
-0.10
Feb
2.62
2.68
-0.06
Mar
3.78
3.86
-0.08
Apr
3.41
3.42
-0.01
May
4.25
4.35
-0.10
Jun
4.31
4.40
-0.09
Jul
4.47
4.44
0.03
Aug
3.86
3.88
-0.02
Sep
4.32
4.45
-0.13
Oct
3.87
4.00
-0.13
Nov
3.11
3.16
-0.05
Dec
3.67
3.71
-0.04
44.62
45.40
-0.78