Viewing Station: CO-BO-67 : Boulder 4.7 E
Oct 23, 2002 - Jan 31, 20267,720 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.47"
January 1-31, 2026(31 of 31 days covered by obs)
NOAA Normal
0.65"
Departure from Normal
-0.18" : 72% of Normal
Year-To-Date: 0.47"
Jan 1 to Jan 31, 2026(31 of 31 days covered by obs)
NOAA Normal
0.65"
Departure from Normal
-0.18" : 72% of Normal
Water Year-To-Date: 1.80"
Oct 1, 2025 to Jan 31, 2026(123 of 123 days covered by obs)
NOAA Normal
3.62"
Departure from Normal
-1.82" : 50% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.65
0.63
0.02
Feb
0.81
0.73
0.08
Mar
1.69
1.58
0.11
Apr
2.52
2.38
0.14
May
2.77
2.70
0.07
Jun
1.84
1.60
0.24
Jul
1.74
1.61
0.13
Aug
1.72
1.44
0.28
Sep
1.43
1.76
-0.33
Oct
1.33
1.38
-0.05
Nov
1.01
0.92
0.09
Dec
0.63
0.63
0.00
18.14
17.36
0.78