Regional Rankings

Regional Data Info
Please note, Palmer Indices are not available for NWS Regions. Degree Days are not available for Great Plains, Souther Plains and Gulf Coast Rockies and Westward, River Basins, or Agricultural Belts. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Upper Colorado River Basin

Average Temperature Rankings, March 2021

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PeriodValue1901-2000
Mean
AnomalyRank
(1895-2023)
Warmest/Coolest
Since
Record
March 2021
1-Month
34.8°F
(1.6°C)
32.8°F
(0.4°C)
2.0°F
(1.2°C)
86th Coolest
Coolest since:
1917
44th Warmest
Warmest since:
2017
Ties: 1904, 1925
Feb–Mar 2021
2-Month
30.7°F
(-0.7°C)
29.2°F
(-1.6°C)
1.5°F
(0.9°C)
84th Coolest
Coolest since:
1903
46th Warmest
Warmest since:
2015
Ties: 1910
Jan–Mar 2021
3-Month
28.4°F
(-2.0°C)
26.5°F
(-3.1°C)
1.9°F
(1.1°C)
90th Coolest
Coolest since:
1917
40th Warmest
Warmest since:
2015
Ties: 1943, 2020
Dec 2020–Mar 2021
4-Month
27.2°F
(-2.7°C)
25.6°F
(-3.6°C)
1.6°F
(0.9°C)
83rd Coolest
Coolest since:
1917
46th Warmest
Warmest since:
2015
Ties: 1951, 2011
Nov 2020–Mar 2021
5-Month
28.8°F
(-1.8°C)
26.9°F
(-2.8°C)
1.9°F
(1.0°C)
99th Coolest
Coolest since:
1917
30th Warmest
Warmest since:
1934
Ties: 1935, 1967, 1970, 2016
Oct 2020–Mar 2021
6-Month
32.1°F
(0.1°C)
30.0°F
(-1.1°C)
2.1°F
(1.2°C)
105th Coolest
Coolest since:
1917
24th Warmest
Warmest since:
1934
Ties: 1938, 1990, 2003
Sep 2020–Mar 2021
7-Month
35.9°F
(2.2°C)
33.8°F
(1.0°C)
2.1°F
(1.2°C)
108th Coolest
Coolest since:
1917
21st Warmest
Warmest since:
1934, 2015
Aug 2020–Mar 2021
8-Month
40.3°F
(4.6°C)
37.6°F
(3.1°C)
2.7°F
(1.5°C)
118th Coolest
Coolest since:
1917
11th Warmest
Warmest since:
1934
Ties: 1978, 2009, 2016
Jul 2020–Mar 2021
9-Month
43.4°F
(6.3°C)
40.9°F
(4.9°C)
2.5°F
(1.4°C)
118th Coolest
Coolest since:
1917
11th Warmest
Warmest since:
2015
Ties: 1978, 1995, 1996, 2012
Jun 2020–Mar 2021
10-Month
45.3°F
(7.4°C)
42.8°F
(6.0°C)
2.5°F
(1.4°C)
115th Coolest
Coolest since:
1917
14th Warmest
Warmest since:
1934
Ties: 2009
May 2020–Mar 2021
11-Month
46.2°F
(7.9°C)
43.6°F
(6.4°C)
2.6°F
(1.5°C)
122nd Coolest
Coolest since:
1917
7th Warmest
Warmest since:
2015
Ties: 1981, 1999, 2004
Apr 2020–Mar 2021
12-Month
46.0°F
(7.8°C)
43.4°F
(6.3°C)
2.6°F
(1.5°C)
121st Coolest
Coolest since:
1913
8th Warmest
Warmest since:
2015
Ties: 2004, 2013
Oct 2019–Mar 2021
18-Month
40.9°F
(4.9°C)
38.9°F
(3.8°C)
2.0°F
(1.1°C)
111th Coolest
Coolest since:
1913
17th Warmest
Warmest since:
2018
Ties: 1999, 2003, 2006
Apr 2019–Mar 2021
24-Month
45.3°F
(7.4°C)
43.4°F
(6.3°C)
1.9°F
(1.1°C)
109th Coolest
Coolest since:
1913
19th Warmest
Warmest since:
2018
Apr 2018–Mar 2021
36-Month
45.3°F
(7.4°C)
43.4°F
(6.3°C)
1.9°F
(1.1°C)
112th Coolest
Coolest since:
1914
15th Warmest
Warmest since:
2017, 2018
Ties: 1997, 2002, 2007
Apr 2017–Mar 2021
48-Month
45.7°F
(7.6°C)
43.4°F
(6.3°C)
2.3°F
(1.3°C)
119th Coolest
Coolest since:
1915
7th Warmest
Warmest since:
2018
Ties: 2004, 2005, 2022
Apr 2016–Mar 2021
60-Month
45.9°F
(7.7°C)
43.4°F
(6.3°C)
2.5°F
(1.4°C)
121st Coolest
Coolest since:
1917
4th Warmest
Warmest since:
2018, 2019
Ties: 2022

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