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 October 2021. For more information, please see Climatological Rankings.


Colorado

Precipitation Rankings, May 2009

View Period (Months):All1234567891011121824364860
Download: xml csv json
  • Record Driest
  • Bottom 1/10
  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
May 2009
1-Month
1.94"
(49.28mm)
2.02"
(51.31mm)
-0.08"
(-2.03mm)
61st Driest Driest since: 2008 1974
67th Wettest Wettest since: 2007 2015
Ties: 1976
Apr–May 2009
2-Month
4.30"
(109.22mm)
3.86"
(98.04mm)
0.44"
(11.18mm)
93rd Driest Driest since: 2008 2002
35th Wettest Wettest since: 2001 1957
Mar–May 2009
3-Month
5.43"
(137.92mm)
5.37"
(136.40mm)
0.06"
(1.52mm)
74th Driest Driest since: 2008 2002
54th Wettest Wettest since: 2003 1957
Feb–May 2009
4-Month
6.21"
(157.73mm)
6.46"
(164.08mm)
-0.25"
(-6.35mm)
61st Driest Driest since: 2008 2002
67th Wettest Wettest since: 2007 1905
Jan–May 2009
5-Month
7.19"
(182.63mm)
7.52"
(191.01mm)
-0.33"
(-8.38mm)
58th Driest Driest since: 2008 2002
70th Wettest Wettest since: 2007 1957
Dec 2008–May 2009
6-Month
9.02"
(229.11mm)
8.60"
(218.44mm)
0.42"
(10.67mm)
86th Driest Driest since: 2007 2002
41st Wettest Wettest since: 2008 1957
Ties: 1898
Nov 2008–May 2009
7-Month
9.94"
(252.48mm)
9.66"
(245.36mm)
0.28"
(7.12mm)
79th Driest Driest since: 2008 2002
48th Wettest Wettest since: 2005 1957
Oct 2008–May 2009
8-Month
11.21"
(284.73mm)
11.00"
(279.40mm)
0.21"
(5.33mm)
71st Driest Driest since: 2008 2002
56th Wettest Wettest since: 2007 1995
Sep 2008–May 2009
9-Month
12.31"
(312.67mm)
12.43"
(315.72mm)
-0.12"
(-3.05mm)
63rd Driest Driest since: 2006 2002
64th Wettest Wettest since: 2008 1942
Aug 2008–May 2009
10-Month
15.45"
(392.43mm)
14.44"
(366.78mm)
1.01"
(25.65mm)
83rd Driest Driest since: 2008 2002
44th Wettest Wettest since: 2007 1942
Jul 2008–May 2009
11-Month
16.93"
(430.02mm)
16.54"
(420.12mm)
0.39"
(9.90mm)
71st Driest Driest since: 2006 2002
56th Wettest Wettest since: 2008 1942
Jun 2008–May 2009
12-Month
17.91"
(454.91mm)
18.08"
(459.23mm)
-0.17"
(-4.32mm)
59th Driest Driest since: 2006 2002
68th Wettest Wettest since: 2008 1942
Dec 2007–May 2009
18-Month
27.23"
(691.64mm)
26.70"
(678.18mm)
0.53"
(13.46mm)
73rd Driest Driest since: 2008 2013
53rd Wettest Wettest since: 2005 1942
Jun 2007–May 2009
24-Month
36.14"
(917.96mm)
36.18"
(918.97mm)
-0.04"
(-1.01mm)
66th Driest Driest since: 2006 1902
60th Wettest Wettest since: 2008 1942
Jun 2006–May 2009
36-Month
57.16"
(1,451.86mm)
54.21"
(1,376.93mm)
2.95"
(74.93mm)
93rd Driest Driest since: 2008 2004
32nd Wettest Wettest since: 2000 1943
Jun 2005–May 2009
48-Month
73.09"
(1,856.49mm)
72.23"
(1,834.64mm)
0.86"
(21.85mm)
71st Driest Driest since: 2007 1956
53rd Wettest Wettest since: 2008 1944
Jun 2004–May 2009
60-Month
93.28"
(2,369.31mm)
90.24"
(2,292.10mm)
3.04"
(77.21mm)
84th Driest Driest since: 2008 1936
39th Wettest Wettest since: 2001 1987

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2021, retrieved on December 1, 2021 from https://www.ncdc.noaa.gov/cag/