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 August 2019. For more information, please see Climatological Rankings.


Colorado

Precipitation Rankings, May 2015

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
May 2015
1-Month
5.30"
(134.62mm)
2.02"
(51.31mm)
3.28"
(83.31mm)
125th Driest Driest since: 2014 1974
1st Wettest Wettest to Date 2015
Apr–May 2015
2-Month
7.18"
(182.37mm)
3.86"
(98.04mm)
3.32"
(84.33mm)
123rd Driest Driest since: 2014 2002
3rd Wettest Wettest since: 1995 1957
Mar–May 2015
3-Month
8.04"
(204.22mm)
5.37"
(136.40mm)
2.67"
(67.82mm)
120th Driest Driest since: 2014 2002
6th Wettest Wettest since: 1995 1957
Feb–May 2015
4-Month
9.39"
(238.51mm)
6.46"
(164.08mm)
2.93"
(74.43mm)
120th Driest Driest since: 2014 2002
6th Wettest Wettest since: 1995 1905
Jan–May 2015
5-Month
10.04"
(255.02mm)
7.52"
(191.01mm)
2.52"
(64.01mm)
118th Driest Driest since: 2014 2002
8th Wettest Wettest since: 1995 1957
Dec 2014–May 2015
6-Month
11.35"
(288.29mm)
8.60"
(218.44mm)
2.75"
(69.85mm)
116th Driest Driest since: 2014 2002
9th Wettest Wettest since: 1995 1957
Nov 2014–May 2015
7-Month
12.47"
(316.74mm)
9.66"
(245.36mm)
2.81"
(71.38mm)
116th Driest Driest since: 2014 2002
9th Wettest Wettest since: 1995 1957
Oct 2014–May 2015
8-Month
13.55"
(344.17mm)
11.00"
(279.40mm)
2.55"
(64.77mm)
112th Driest Driest since: 2014 2002
13th Wettest Wettest since: 1999 1995
Sep 2014–May 2015
9-Month
15.63"
(397.00mm)
12.43"
(315.72mm)
3.20"
(81.28mm)
117th Driest Driest since: 2014 2002
8th Wettest Wettest since: 1995 1942
Aug 2014–May 2015
10-Month
18.22"
(462.79mm)
14.44"
(366.78mm)
3.78"
(96.01mm)
121st Driest Driest since: 2014 2002
4th Wettest Wettest since: 1995 1942
Jul 2014–May 2015
11-Month
20.98"
(532.89mm)
16.54"
(420.12mm)
4.44"
(112.77mm)
122nd Driest Driest since: 2014 2002
3rd Wettest Wettest since: 1942 1942
Jun 2014–May 2015
12-Month
22.17"
(563.12mm)
18.08"
(459.23mm)
4.09"
(103.89mm)
121st Driest Driest since: 2014 2002
4th Wettest Wettest since: 1942 1942
Dec 2013–May 2015
18-Month
30.00"
(762.00mm)
26.70"
(678.18mm)
3.30"
(83.82mm)
111th Driest Driest since: 2014 2013
13th Wettest Wettest since: 1998 1942
Jun 2013–May 2015
24-Month
41.88"
(1,063.75mm)
36.18"
(918.97mm)
5.70"
(144.78mm)
118th Driest Driest since: 2014 1902
6th Wettest Wettest since: 1999 1942
Jun 2012–May 2015
36-Month
55.49"
(1,409.45mm)
54.21"
(1,376.93mm)
1.28"
(32.52mm)
80th Driest Driest since: 2014 2004
43rd Wettest Wettest since: 2009 1943
Ties: 1909
Jun 2011–May 2015
48-Month
70.19"
(1,782.83mm)
72.23"
(1,834.64mm)
-2.04"
(-51.81mm)
42nd Driest Driest since: 2014 1956
80th Wettest Wettest since: 2011 1944
Jun 2010–May 2015
60-Month
88.79"
(2,255.27mm)
90.24"
(2,292.10mm)
-1.45"
(-36.83mm)
46th Driest Driest since: 2014 1936
75th Wettest Wettest since: 2011 1987

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published September 2019, retrieved on September 22, 2019 from https://www.ncdc.noaa.gov/cag/