Viewing Station: WA-BT-25 : Richland 1.7 NNE
May 19, 2019 - May 8, 20251,911 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.03"
May 1-9, 2025(8 of 9 days covered by obs)
NOAA Normal
0.20"
Departure from Normal
-0.17" : 15% of Normal
Year-To-Date: 4.03"
Jan 1 to May 9, 2025(127 of 129 days covered by obs)
NOAA Normal
3.22"
Departure from Normal
0.81" : 125% of Normal
Water Year-To-Date: 8.92"
Oct 1, 2024 to May 9, 2025(218 of 221 days covered by obs)
NOAA Normal
5.78"
Departure from Normal
3.14" : 154% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.05
1.05
0.00
Feb
0.72
0.75
-0.03
Mar
0.64
0.62
0.02
Apr
0.61
0.61
0.00
May
0.70
0.66
0.04
Jun
0.57
0.56
0.01
Jul
0.20
0.16
0.04
Aug
0.16
0.15
0.01
Sep
0.28
0.26
0.02
Oct
0.60
0.59
0.01
Nov
0.88
0.87
0.01
Dec
1.08
1.12
-0.04
7.49
7.40
0.09