Viewing Station: VA-AR-18 : Arlington 1.0 WSW
Oct 26, 2021 - May 20, 2026945 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.05"
May 1-20, 2026(17 of 20 days covered by obs)
NOAA Normal
2.66"
Departure from Normal
-1.61" : 39% of Normal
Year-To-Date: 2.44"
Jan 1 to May 20, 2026(43 of 140 days covered by obs)
NOAA Normal
15.33"
Departure from Normal
-12.89" : 16% of Normal
Water Year-To-Date: 6.07"
Oct 1, 2025 to May 20, 2026(104 of 232 days covered by obs)
NOAA Normal
25.77"
Departure from Normal
-19.70" : 24% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.95
3.10
-0.15
Feb
2.64
2.75
-0.11
Mar
3.69
3.83
-0.14
Apr
3.39
3.42
-0.03
May
4.13
4.44
-0.31
Jun
4.19
4.44
-0.25
Jul
4.56
4.62
-0.06
Aug
3.68
3.76
-0.08
Sep
4.30
4.41
-0.11
Oct
3.79
3.98
-0.19
Nov
3.05
3.19
-0.14
Dec
3.60
3.64
-0.04
43.97
45.58
-1.61