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 2020. For more information, please see Climatological Rankings.


Colorado

Precipitation Rankings, September 2020

View Period (Months):All1234567891011121824364860
Download: xml csv json
  • Record Driest
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  • Top 1/10
  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Wettest/Driest
Since
Record
September 2020
1-Month
1.02"
(25.91mm)
1.43"
(36.32mm)
-0.41"
(-10.41mm)
39th Driest Driest since: 2019 1956
88th Wettest Wettest since: 2017 2013
Aug–Sep 2020
2-Month
1.80"
(45.72mm)
3.46"
(87.88mm)
-1.66"
(-42.16mm)
5th Driest Driest since: 1974 1944
122nd Wettest Wettest since: 2019 2013
Jul–Sep 2020
3-Month
3.63"
(92.20mm)
5.56"
(141.22mm)
-1.93"
(-49.02mm)
7th Driest Driest since: 1978 1900
120th Wettest Wettest since: 2019 2013
Jun–Sep 2020
4-Month
4.75"
(120.65mm)
7.10"
(180.34mm)
-2.35"
(-59.69mm)
9th Driest Driest since: 1980 1924
118th Wettest Wettest since: 2019 1965
May–Sep 2020
5-Month
5.83"
(148.08mm)
9.12"
(231.65mm)
-3.29"
(-83.57mm)
6th Driest Driest since: 1974 1939
121st Wettest Wettest since: 2019 1965
Apr–Sep 2020
6-Month
6.62"
(168.15mm)
10.96"
(278.38mm)
-4.34"
(-110.23mm)
2nd Driest Driest since: 2002 1939
125th Wettest Wettest since: 2019 1999
Ties: 2002
Mar–Sep 2020
7-Month
7.97"
(202.44mm)
12.47"
(316.74mm)
-4.50"
(-114.30mm)
5th Driest Driest since: 2012 2002
122nd Wettest Wettest since: 2019 1941
Feb–Sep 2020
8-Month
9.05"
(229.87mm)
13.56"
(344.42mm)
-4.51"
(-114.55mm)
3rd Driest Driest since: 2002 2002
124th Wettest Wettest since: 2019 1941
Jan–Sep 2020
9-Month
9.76"
(247.90mm)
14.62"
(371.35mm)
-4.86"
(-123.45mm)
2nd Driest Driest since: 2002 2002
125th Wettest Wettest since: 2019 1957
Dec 2019–Sep 2020
10-Month
11.03"
(280.16mm)
15.70"
(398.78mm)
-4.67"
(-118.62mm)
3rd Driest Driest since: 2012 2002
123rd Wettest Wettest since: 2019 1957
Nov 2019–Sep 2020
11-Month
12.13"
(308.10mm)
16.76"
(425.70mm)
-4.63"
(-117.60mm)
4th Driest Driest since: 2018 2002
122nd Wettest Wettest since: 2019 1941
Oct 2019–Sep 2020
12-Month
13.09"
(332.49mm)
18.10"
(459.74mm)
-5.01"
(-127.25mm)
3rd Driest Driest since: 2018 2002
123rd Wettest Wettest since: 2019 1995
Apr 2019–Sep 2020
18-Month
22.92"
(582.17mm)
29.08"
(738.63mm)
-6.16"
(-156.46mm)
2nd Driest Driest since: 2002 2002
124th Wettest Wettest since: 2019 1942
Oct 2018–Sep 2020
24-Month
32.66"
(829.56mm)
36.22"
(919.99mm)
-3.56"
(-90.43mm)
24th Driest Driest since: 2019 2003
101st Wettest Wettest since: 2018 1942
Oct 2017–Sep 2020
36-Month
45.46"
(1,154.68mm)
54.27"
(1,378.46mm)
-8.81"
(-223.78mm)
4th Driest Driest since: 2002 1956
120th Wettest Wettest since: 2019 1997
Oct 2016–Sep 2020
48-Month
65.58"
(1,665.73mm)
72.31"
(1,836.67mm)
-6.73"
(-170.94mm)
17th Driest Driest since: 2005 1956
106th Wettest Wettest since: 2019 1998
Oct 2015–Sep 2020
60-Month
84.58"
(2,148.33mm)
90.33"
(2,294.38mm)
-5.75"
(-146.05mm)
25th Driest Driest since: 2006 1956
97th Wettest Wettest since: 2019 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2020, retrieved on October 22, 2020 from https://www.ncdc.noaa.gov/cag/