Climate at a Glance

Statewide 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 September 2019. For more information, please see Climatological Rankings.


Colorado

Precipitation Rankings, May 1921

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
May 1921
1-Month
1.79"
(45.47mm)
2.02"
(51.31mm)
-0.23"
(-5.84mm)
55th Driest Driest since: 1919 1974
71st Wettest Wettest since: 1920 2015
Apr–May 1921
2-Month
4.19"
(106.43mm)
3.86"
(98.04mm)
0.33"
(8.39mm)
88th Driest Driest since: 1919 2002
38th Wettest Wettest since: 1920 1957
Ties: 1981
Mar–May 1921
3-Month
5.63"
(143.00mm)
5.37"
(136.40mm)
0.26"
(6.60mm)
77th Driest Driest since: 1919 2002
49th Wettest Wettest since: 1920 1957
Ties: 1993
Feb–May 1921
4-Month
6.51"
(165.35mm)
6.46"
(164.08mm)
0.05"
(1.27mm)
72nd Driest Driest since: 1918 2002
54th Wettest Wettest since: 1920 1905
Jan–May 1921
5-Month
7.79"
(197.87mm)
7.52"
(191.01mm)
0.27"
(6.86mm)
81st Driest Driest since: 1919 2002
45th Wettest Wettest since: 1920 1957
Dec 1920–May 1921
6-Month
8.85"
(224.79mm)
8.60"
(218.44mm)
0.25"
(6.35mm)
78th Driest Driest since: 1919 2002
47th Wettest Wettest since: 1920 1957
Nov 1920–May 1921
7-Month
9.62"
(244.35mm)
9.66"
(245.36mm)
-0.04"
(-1.01mm)
71st Driest Driest since: 1918 2002
54th Wettest Wettest since: 1920 1957
Oct 1920–May 1921
8-Month
11.41"
(289.81mm)
11.00"
(279.40mm)
0.41"
(10.41mm)
77th Driest Driest since: 1919 2002
48th Wettest Wettest since: 1920 1995
Sep 1920–May 1921
9-Month
12.72"
(323.09mm)
12.43"
(315.72mm)
0.29"
(7.37mm)
69th Driest Driest since: 1918 2002
56th Wettest Wettest since: 1920 1942
Aug 1920–May 1921
10-Month
15.04"
(382.02mm)
14.44"
(366.78mm)
0.60"
(15.24mm)
74th Driest Driest since: 1918 2002
51st Wettest Wettest since: 1920 1942
Jul 1920–May 1921
11-Month
16.73"
(424.94mm)
16.54"
(420.12mm)
0.19"
(4.82mm)
65th Driest Driest since: 1918 2002
60th Wettest Wettest since: 1920 1942
Jun 1920–May 1921
12-Month
18.22"
(462.79mm)
18.08"
(459.23mm)
0.14"
(3.56mm)
62nd Driest Driest since: 1918 2002
63rd Wettest Wettest since: 1920 1942
Dec 1919–May 1921
18-Month
27.76"
(705.10mm)
26.70"
(678.18mm)
1.06"
(26.92mm)
81st Driest Driest since: 1919 2013
43rd Wettest Wettest since: 1920 1942
Ties: 1910
Jun 1919–May 1921
24-Month
38.94"
(989.08mm)
36.18"
(918.97mm)
2.76"
(70.11mm)
95th Driest Driest since: 1919 1902
29th Wettest Wettest since: 1920 1942
Jun 1918–May 1921
36-Month
58.11"
(1,475.99mm)
54.21"
(1,376.93mm)
3.90"
(99.06mm)
97th Driest Driest since: 1920 2004
26th Wettest Wettest since: 1917 1943
Jun 1917–May 1921
48-Month
73.08"
(1,856.23mm)
72.23"
(1,834.64mm)
0.85"
(21.59mm)
68th Driest Driest since: 1913 1956
54th Wettest Wettest since: 1920 1944
Jun 1916–May 1921
60-Month
93.29"
(2,369.57mm)
90.24"
(2,292.10mm)
3.05"
(77.47mm)
83rd Driest Driest since: 1914 1936
38th Wettest Wettest since: 1920 1987

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2019, retrieved on October 15, 2019 from https://www.ncdc.noaa.gov/cag/