Viewing Station: CO-BO-361 : Longmont 1.8 E
Oct 27, 2013 - Sep 15, 20254,193 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.32"
September 1-16, 2025(15 of 16 days covered by obs)
NOAA Normal
0.69"
Departure from Normal
-0.37" : 47% of Normal
Year-To-Date: 10.01"
Jan 1 to Sep 16, 2025(258 of 259 days covered by obs)
NOAA Normal
11.68"
Departure from Normal
-1.67" : 86% of Normal
Water Year-To-Date: 11.54"
Oct 1, 2024 to Sep 16, 2025(350 of 351 days covered by obs)
NOAA Normal
13.85"
Departure from Normal
-2.31" : 83% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.44
0.45
-0.01
Feb
0.47
0.54
-0.07
Mar
1.20
1.23
-0.03
Apr
1.95
1.96
-0.01
May
2.44
2.46
-0.02
Jun
1.61
1.50
0.11
Jul
1.47
1.34
0.13
Aug
1.41
1.40
0.01
Sep
1.29
1.41
-0.12
Oct
1.02
1.04
-0.02
Nov
0.70
0.73
-0.03
Dec
0.45
0.50
-0.05
14.45
14.56
-0.11