Viewing Station: MD-MG-145 : Chevy Chase 1.2 SW
May 2, 2022 - Dec 6, 20251,129 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.08"
December 1-6, 2025(6 of 6 days covered by obs)
NOAA Normal
0.70"
Departure from Normal
0.38" : 153% of Normal
Year-To-Date: 41.62"
Jan 1 to Dec 6, 2025(322 of 340 days covered by obs)
NOAA Normal
41.38"
Departure from Normal
0.24" : 101% of Normal
Water Year-To-Date: 4.63"
Oct 1, 2025 to Dec 6, 2025(67 of 67 days covered by obs)
NOAA Normal
7.63"
Departure from Normal
-3.00" : 61% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.96
3.10
-0.14
Feb
2.64
2.77
-0.13
Mar
3.72
3.87
-0.15
Apr
3.39
3.44
-0.05
May
4.26
4.44
-0.18
Jun
4.27
4.41
-0.14
Jul
4.48
4.63
-0.15
Aug
3.73
3.86
-0.13
Sep
4.30
4.46
-0.16
Oct
3.82
4.04
-0.22
Nov
3.11
3.20
-0.09
Dec
3.64
3.68
-0.04
44.32
45.90
-1.58