Viewing Station: MD-MG-106 : Silver Spring 6.4 NNE
Oct 27, 2015 - May 30, 20263,875 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 4.90"
May 1-30, 2026(29 of 30 days covered by obs)
NOAA Normal
4.12"
Departure from Normal
0.78" : 119% of Normal
Year-To-Date: 13.75"
Jan 1 to May 30, 2026(148 of 150 days covered by obs)
NOAA Normal
16.98"
Departure from Normal
-3.23" : 81% of Normal
Water Year-To-Date: 18.57"
Oct 1, 2025 to May 30, 2026(240 of 242 days covered by obs)
NOAA Normal
27.64"
Departure from Normal
-9.07" : 67% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.99
3.07
-0.08
Feb
2.63
2.72
-0.09
Mar
3.79
3.89
-0.10
Apr
3.45
3.42
0.03
May
4.26
4.35
-0.09
Jun
4.30
4.33
-0.03
Jul
4.51
4.37
0.14
Aug
3.89
3.83
0.06
Sep
4.31
4.41
-0.10
Oct
3.88
3.99
-0.11
Nov
3.10
3.19
-0.09
Dec
3.68
3.73
-0.05
44.79
45.30
-0.51