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


Colorado

Average Temperature Rankings, September 1999

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
September 1999
1-Month
55.4°F
(13.0°C)
57.3°F
(14.1°C)
-1.9°F
(-1.1°C)
18th Coolest Coolest since: 1993 1912
109th Warmest Warmest since: 1998 2019
Ties: 1916, 1934
Aug–Sep 1999
2-Month
60.4°F
(15.8°C)
61.2°F
(16.2°C)
-0.8°F
(-0.4°C)
28th Coolest Coolest since: 1993 1912
99th Warmest Warmest since: 1998 2019
Ties: 1925, 1973, 1986, 1987, 2004
Jul–Sep 1999
3-Month
63.1°F
(17.3°C)
63.2°F
(17.3°C)
-0.1°F
(0.0°C)
54th Coolest Coolest since: 1993 1912
73rd Warmest Warmest since: 1998 2019
Ties: 1896, 1944, 1949, 1951, 1956, 2009
Jun–Sep 1999
4-Month
62.4°F
(16.9°C)
62.7°F
(17.1°C)
-0.3°F
(-0.2°C)
40th Coolest Coolest since: 1993 1912
87th Warmest Warmest since: 1998 2012
Ties: 1944, 1976, 1982
May–Sep 1999
5-Month
60.0°F
(15.6°C)
60.5°F
(15.8°C)
-0.5°F
(-0.2°C)
35th Coolest Coolest since: 1995 1915
92nd Warmest Warmest since: 1998 2018
Ties: 1898, 1982
Apr–Sep 1999
6-Month
56.7°F
(13.7°C)
57.5°F
(14.2°C)
-0.8°F
(-0.5°C)
26th Coolest Coolest since: 1995 1912
101st Warmest Warmest since: 1998 2012
Ties: 1918, 1927, 1941, 1944, 1961, 1971, 1983, 1993
Mar–Sep 1999
7-Month
54.2°F
(12.3°C)
54.1°F
(12.3°C)
0.1°F
(0.0°C)
55th Coolest Coolest since: 1995 1912
72nd Warmest Warmest since: 1998 2012
Ties: 1922, 1930, 1947, 1959, 2008
Feb–Sep 1999
8-Month
51.6°F
(10.9°C)
50.8°F
(10.4°C)
0.8°F
(0.5°C)
87th Coolest Coolest since: 1997 1912
40th Warmest Warmest since: 1998 2012
Ties: 1988, 1989, 2019
Jan–Sep 1999
9-Month
49.2°F
(9.6°C)
47.8°F
(8.8°C)
1.4°F
(0.8°C)
105th Coolest Coolest since: 1997 1912
22nd Warmest Warmest since: 1998 2012
Ties: 1943, 2009
Dec 1998–Sep 1999
10-Month
46.9°F
(8.3°C)
45.5°F
(7.5°C)
1.4°F
(0.8°C)
100th Coolest Coolest since: 1998 1912
26th Warmest Warmest since: 1996 1934
Ties: 1977
Nov 1998–Sep 1999
11-Month
46.1°F
(7.8°C)
44.5°F
(6.9°C)
1.6°F
(0.9°C)
109th Coolest Coolest since: 1998 1912
17th Warmest Warmest since: 1996 2018
Ties: 1943, 1963, 1994, 2009
Oct 1998–Sep 1999
12-Month
46.1°F
(7.8°C)
44.6°F
(7.0°C)
1.5°F
(0.8°C)
107th Coolest Coolest since: 1998 1912
19th Warmest Warmest since: 1996 1934, 2000
Ties: 1911, 1943, 2007, 2011
Apr 1998–Sep 1999
18-Month
50.3°F
(10.2°C)
48.9°F
(9.4°C)
1.4°F
(0.8°C)
104th Coolest Coolest since: 1998 1917
22nd Warmest Warmest since: 1981 2018
Ties: 1978, 2005
Oct 1997–Sep 1999
24-Month
45.8°F
(7.7°C)
44.5°F
(6.9°C)
1.3°F
(0.8°C)
103rd Coolest Coolest since: 1998 1913
22nd Warmest Warmest since: 1982 2018
Oct 1996–Sep 1999
36-Month
45.7°F
(7.6°C)
44.6°F
(7.0°C)
1.1°F
(0.6°C)
102nd Coolest Coolest since: 1998 1914
22nd Warmest Warmest since: 1998 2018
Ties: 1998, 2009, 2011
Oct 1995–Sep 1999
48-Month
45.8°F
(7.7°C)
44.6°F
(7.0°C)
1.2°F
(0.7°C)
102nd Coolest Coolest since: 1998 1915
21st Warmest Warmest since: 1937 2018
Ties: 1936
Oct 1994–Sep 1999
60-Month
45.7°F
(7.6°C)
44.6°F
(7.0°C)
1.1°F
(0.6°C)
100th Coolest Coolest since: 1998 1916
22nd Warmest Warmest since: 1938 2018

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published April 2021, retrieved on April 17, 2021 from https://www.ncdc.noaa.gov/cag/