Viewing Station: CO-BO-615 : Longmont 2.9 SSW
Jul 27, 2025 - Sep 18, 2026387 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.14"
September 1-20, 2026(16 of 20 days covered by obs)
NOAA Normal
0.94"
Departure from Normal
-0.80" : 15% of Normal
Year-To-Date: 7.57"
Jan 1 to Sep 20, 2026(231 of 263 days covered by obs)
NOAA Normal
13.40"
Departure from Normal
-5.83" : 56% of Normal
Water Year-To-Date: 8.67"
Oct 1, 2025 to Sep 20, 2026(321 of 355 days covered by obs)
NOAA Normal
15.93"
Departure from Normal
-7.26" : 54% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.54
0.45
0.09
Feb
0.63
0.54
0.09
Mar
1.44
1.30
0.14
Apr
2.23
1.92
0.31
May
2.70
2.47
0.23
Jun
1.73
1.54
0.19
Jul
1.64
1.25
0.39
Aug
1.55
1.25
0.30
Sep
1.41
1.47
-0.06
Oct
1.18
1.10
0.08
Nov
0.84
0.77
0.07
Dec
0.51
0.47
0.04
16.40
14.53
1.87