Viewing Station: MN-WN-27 : Lewiston 9.1 SSE
Apr 13, 2022 - May 23, 2026223 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.04"
May 1-23, 2026(5 of 23 days covered by obs)
NOAA Normal
3.41"
Departure from Normal
-2.37" : 30% of Normal
Year-To-Date: 3.02"
Jan 1 to May 23, 2026(11 of 143 days covered by obs)
NOAA Normal
11.22"
Departure from Normal
-8.20" : 27% of Normal
Water Year-To-Date: 4.80"
Oct 1, 2025 to May 23, 2026(17 of 235 days covered by obs)
NOAA Normal
17.12"
Departure from Normal
-12.32" : 28% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.04
1.08
-0.04
Feb
1.06
1.04
0.02
Mar
1.90
1.86
0.04
Apr
3.81
3.82
-0.01
May
4.60
4.66
-0.06
Jun
5.37
5.38
-0.01
Jul
4.19
4.18
0.01
Aug
4.51
4.43
0.08
Sep
3.71
3.84
-0.13
Oct
2.70
2.62
0.08
Nov
1.85
1.75
0.10
Dec
1.35
1.19
0.16
36.09
35.85
0.24