Viewing Station: MD-SM-22 : Great Mills 4.0 S
Dec 30, 2020 - Aug 11, 20261,929 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.89"
August 1-11, 2026(11 of 11 days covered by obs)
NOAA Normal
1.65"
Departure from Normal
0.24" : 115% of Normal
Year-To-Date: 21.51"
Jan 1 to Aug 11, 2026(188 of 223 days covered by obs)
NOAA Normal
26.72"
Departure from Normal
-5.21" : 81% of Normal
Water Year-To-Date: 28.15"
Oct 1, 2025 to Aug 11, 2026(276 of 315 days covered by obs)
NOAA Normal
37.30"
Departure from Normal
-9.15" : 75% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.04
3.24
-0.20
Feb
2.68
2.78
-0.10
Mar
3.80
3.97
-0.17
Apr
3.26
3.30
-0.04
May
3.58
3.72
-0.14
Jun
4.18
4.16
0.02
Jul
4.53
4.68
-0.15
Aug
4.64
4.48
0.16
Sep
4.06
4.06
0.00
Oct
3.87
4.06
-0.19
Nov
3.16
3.16
0.00
Dec
3.55
3.69
-0.14
44.35
45.30
-0.95