Viewing Station: CO-BO-472 : Boulder 1.3 W
Feb 20, 2018 - May 6, 2026678 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.57"
May 1-6, 2026(2 of 6 days covered by obs)
NOAA Normal
0.53"
Departure from Normal
1.04" : 294% of Normal
Year-To-Date: 3.59"
Jan 1 to May 6, 2026(26 of 126 days covered by obs)
NOAA Normal
6.33"
Departure from Normal
-2.74" : 57% of Normal
Water Year-To-Date: 5.04"
Oct 1, 2025 to May 6, 2026(37 of 218 days covered by obs)
NOAA Normal
9.34"
Departure from Normal
-4.30" : 54% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.65
0.68
-0.03
Feb
0.85
0.84
0.01
Mar
1.74
1.80
-0.06
Apr
2.56
2.72
-0.16
May
2.76
2.97
-0.21
Jun
1.86
1.97
-0.11
Jul
1.77
1.67
0.10
Aug
1.67
1.55
0.12
Sep
1.53
2.03
-0.50
Oct
1.36
1.50
-0.14
Nov
1.00
0.99
0.01
Dec
0.65
0.69
-0.04
18.40
19.41
-1.01