Viewing Station: CO-BO-507 : Longmont 3.3 SW
Aug 26, 2018 - May 8, 20262,797 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.77"
May 1-9, 2026(8 of 9 days covered by obs)
NOAA Normal
0.78"
Departure from Normal
0.99" : 226% of Normal
Year-To-Date: 3.11"
Jan 1 to May 9, 2026(126 of 129 days covered by obs)
NOAA Normal
5.62"
Departure from Normal
-2.51" : 55% of Normal
Water Year-To-Date: 4.42"
Oct 1, 2025 to May 9, 2026(217 of 221 days covered by obs)
NOAA Normal
8.15"
Departure from Normal
-3.73" : 54% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.54
0.46
0.08
Feb
0.63
0.52
0.11
Mar
1.44
1.27
0.17
Apr
2.23
1.90
0.33
May
2.70
2.47
0.23
Jun
1.73
1.57
0.16
Jul
1.64
1.27
0.37
Aug
1.55
1.30
0.25
Sep
1.41
1.45
-0.04
Oct
1.18
1.12
0.06
Nov
0.84
0.77
0.07
Dec
0.51
0.47
0.04
16.40
14.57
1.83