Viewing Station: MD-MG-145 : Chevy Chase 1.2 SW
May 2, 2022 - Oct 6, 20261,403 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.72"
October 1-12, 2026(6 of 12 days covered by obs)
NOAA Normal
1.48"
Departure from Normal
-0.76" : 49% of Normal
Year-To-Date: 35.28"
Jan 1 to Oct 12, 2026(266 of 285 days covered by obs)
NOAA Normal
35.23"
Departure from Normal
0.05" : 100% of Normal
Water Year-To-Date: 0.72"
Oct 1, 2026 to Oct 12, 2026(6 of 12 days covered by obs)
NOAA Normal
1.48"
Departure from Normal
-0.76" : 49% 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