Climate at a Glance

Divisional Rankings

Look up monthly rankings for 1-12, 18, 24, 36, 48, and 60-month time periods using the options below. Data and statistics are as of August 2022. For more information, please see Climatological Rankings.


Colorado, Climate Division 2. Colorado Drainage

Precipitation Rankings, May 2021

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
May 2021
1-Month
1.27"
(32.26mm)
1.66"
(42.16mm)
-0.39"
(-9.90mm)
48th Driest Driest since: 2020 1974
81st Wettest Wettest since: 2019 1995
Ties: 1964, 2005
Apr–May 2021
2-Month
1.97"
(50.04mm)
3.69"
(93.73mm)
-1.72"
(-43.69mm)
12th Driest Driest since: 2020 1899
117th Wettest Wettest since: 2019 1957
Mar–May 2021
3-Month
3.90"
(99.06mm)
5.83"
(148.08mm)
-1.93"
(-49.02mm)
19th Driest Driest since: 2020 2012
110th Wettest Wettest since: 2019 1906
Feb–May 2021
4-Month
5.68"
(144.27mm)
7.63"
(193.80mm)
-1.95"
(-49.53mm)
22nd Driest Driest since: 2020 2002
107th Wettest Wettest since: 2019 1906
Jan–May 2021
5-Month
6.74"
(171.20mm)
9.50"
(241.30mm)
-2.76"
(-70.10mm)
13th Driest Driest since: 2020 2002
116th Wettest Wettest since: 2019 1957
Dec 2020–May 2021
6-Month
8.17"
(207.52mm)
11.28"
(286.51mm)
-3.11"
(-78.99mm)
13th Driest Driest since: 2018 2002
115th Wettest Wettest since: 2020 1957
Nov 2020–May 2021
7-Month
9.56"
(242.82mm)
12.88"
(327.15mm)
-3.32"
(-84.33mm)
11th Driest Driest since: 2018 1977
117th Wettest Wettest since: 2020 1979
Oct 2020–May 2021
8-Month
10.24"
(260.10mm)
14.68"
(372.87mm)
-4.44"
(-112.77mm)
7th Driest Driest since: 2018 1977
121st Wettest Wettest since: 2020 1979
Sep 2020–May 2021
9-Month
11.25"
(285.75mm)
16.35"
(415.29mm)
-5.10"
(-129.54mm)
5th Driest Driest since: 2002 1977
123rd Wettest Wettest since: 2020 1995
Aug 2020–May 2021
10-Month
11.68"
(296.67mm)
18.17"
(461.52mm)
-6.49"
(-164.85mm)
3rd Driest Driest since: 2002 1977
125th Wettest Wettest since: 2020 1995
Jul 2020–May 2021
11-Month
12.82"
(325.63mm)
19.80"
(502.92mm)
-6.98"
(-177.29mm)
3rd Driest Driest since: 1977 1977
125th Wettest Wettest since: 2020 1920
Jun 2020–May 2021
12-Month
13.74"
(349.00mm)
20.84"
(529.34mm)
-7.10"
(-180.34mm)
3rd Driest Driest since: 1977 1977
125th Wettest Wettest since: 2020 1985
Dec 2019–May 2021
18-Month
22.67"
(575.82mm)
32.10"
(815.34mm)
-9.43"
(-239.52mm)
2nd Driest Driest since: 1977 1977
125th Wettest Wettest since: 2020 1958
Jun 2019–May 2021
24-Month
28.99"
(736.35mm)
41.68"
(1,058.67mm)
-12.69"
(-322.32mm)
2nd Driest Driest since: 1902 1902
125th Wettest Wettest since: 2020 1985
Jun 2018–May 2021
36-Month
51.72"
(1,313.69mm)
62.45"
(1,586.23mm)
-10.73"
(-272.54mm)
9th Driest Driest since: 2004 1902
117th Wettest Wettest since: 2020 1986
Jun 2017–May 2021
48-Month
66.57"
(1,690.88mm)
83.20"
(2,113.28mm)
-16.63"
(-422.40mm)
3rd Driest Driest since: 1904 1902
122nd Wettest Wettest since: 2020 1986
Jun 2016–May 2021
60-Month
87.32"
(2,217.93mm)
103.95"
(2,640.33mm)
-16.63"
(-422.40mm)
5th Driest Driest since: 1904 1904
119th Wettest Wettest since: 2020 1987

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, Precipitation, published September 2022, retrieved on September 27, 2022 from https://www.ncdc.noaa.gov/cag/