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 April 2022. For more information, please see Climatological Rankings.


Colorado

Precipitation Rankings, September 2020

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
September 2020
1-Month
0.97"
(24.64mm)
1.43"
(36.32mm)
-0.46"
(-11.68mm)
36th Driest Driest since: 2019 1956
92nd Wettest Wettest since: 2017 2013
Ties: 1952
Aug–Sep 2020
2-Month
1.77"
(44.96mm)
3.46"
(87.88mm)
-1.69"
(-42.92mm)
5th Driest Driest since: 1974 1944
123rd Wettest Wettest since: 2019 2013
Jul–Sep 2020
3-Month
3.62"
(91.95mm)
5.56"
(141.22mm)
-1.94"
(-49.27mm)
7th Driest Driest since: 1978 1900
121st Wettest Wettest since: 2019 2013
Jun–Sep 2020
4-Month
4.77"
(121.16mm)
7.10"
(180.34mm)
-2.33"
(-59.18mm)
9th Driest Driest since: 1980 1924
119th Wettest Wettest since: 2019 1965
May–Sep 2020
5-Month
5.84"
(148.34mm)
9.12"
(231.65mm)
-3.28"
(-83.31mm)
6th Driest Driest since: 1974 1939
122nd Wettest Wettest since: 2019 1965
Apr–Sep 2020
6-Month
6.64"
(168.66mm)
10.96"
(278.38mm)
-4.32"
(-109.72mm)
3rd Driest Driest since: 2002 1939
125th Wettest Wettest since: 2019 1999
Mar–Sep 2020
7-Month
7.99"
(202.95mm)
12.47"
(316.74mm)
-4.48"
(-113.79mm)
5th Driest Driest since: 2012 2002
123rd Wettest Wettest since: 2019 1941
Feb–Sep 2020
8-Month
9.08"
(230.63mm)
13.56"
(344.42mm)
-4.48"
(-113.79mm)
3rd Driest Driest since: 2002 2002
125th Wettest Wettest since: 2019 1941
Jan–Sep 2020
9-Month
9.80"
(248.92mm)
14.62"
(371.35mm)
-4.82"
(-122.43mm)
2nd Driest Driest since: 2002 2002
126th Wettest Wettest since: 2019 1957
Dec 2019–Sep 2020
10-Month
11.07"
(281.18mm)
15.70"
(398.78mm)
-4.63"
(-117.60mm)
3rd Driest Driest since: 2012 2002
124th Wettest Wettest since: 2019 1957
Nov 2019–Sep 2020
11-Month
12.18"
(309.37mm)
16.76"
(425.70mm)
-4.58"
(-116.33mm)
4th Driest Driest since: 2018 2002
123rd Wettest Wettest since: 2019 1941
Oct 2019–Sep 2020
12-Month
13.15"
(334.01mm)
18.10"
(459.74mm)
-4.95"
(-125.73mm)
3rd Driest Driest since: 2018 2002
124th Wettest Wettest since: 2019 1995
Apr 2019–Sep 2020
18-Month
22.97"
(583.44mm)
29.08"
(738.63mm)
-6.11"
(-155.19mm)
3rd Driest Driest since: 2002 2002
124th Wettest Wettest since: 2019 1942
Oct 2018–Sep 2020
24-Month
32.72"
(831.09mm)
36.22"
(919.99mm)
-3.50"
(-88.90mm)
26th Driest Driest since: 2019 2003
100th Wettest Wettest since: 2018 1942
Oct 2017–Sep 2020
36-Month
45.52"
(1,156.21mm)
54.27"
(1,378.46mm)
-8.75"
(-222.25mm)
4th Driest Driest since: 2002 1956
121st Wettest Wettest since: 2019 1997
Oct 2016–Sep 2020
48-Month
65.64"
(1,667.26mm)
72.31"
(1,836.67mm)
-6.67"
(-169.41mm)
18th Driest Driest since: 2005 1956
106th Wettest Wettest since: 2019 1998
Oct 2015–Sep 2020
60-Month
84.64"
(2,149.86mm)
90.33"
(2,294.38mm)
-5.69"
(-144.52mm)
27th Driest Driest since: 2006 1956
96th Wettest Wettest since: 2019 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published May 2022, retrieved on May 22, 2022 from https://www.ncdc.noaa.gov/cag/