Regional Rankings

Regional Data Info
Please note, Palmer Indices are not available for NWS Regions. 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 1991

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Warmest/Coolest
Since		 Record
March 1991
1-Month 		32.8°F
(0.4°C)		 32.8°F
(0.4°C)		 0.0°F
(0.0°C)		 59th Coolest
Coolest since:
 1917
70th Warmest
Warmest since:
 2017
Ties: 1936, 1985
Feb–Mar 1991
2-Month 		31.2°F
(-0.4°C)		 29.2°F
(-1.6°C)		 2.0°F
(1.2°C)		 93rd Coolest
Coolest since:
 1903
36th Warmest
Warmest since:
 2015
Ties: 1968, 1970
Jan–Mar 1991
3-Month 		26.9°F
(-2.8°C)		 26.5°F
(-3.1°C)		 0.4°F
(0.3°C)		 63rd Coolest
Coolest since:
 1917
66th Warmest
Warmest since:
 2015
Ties: 1931
Dec 1990–Mar 1991
4-Month 		24.3°F
(-4.3°C)		 25.6°F
(-3.6°C)		 -1.3°F
(-0.7°C)		 36th Coolest
Coolest since:
 1917
92nd Warmest
Warmest since:
 2015
Ties: 1968
Nov 1990–Mar 1991
5-Month 		26.2°F
(-3.2°C)		 26.9°F
(-2.8°C)		 -0.7°F
(-0.4°C)		 44th Coolest
Coolest since:
 1917
84th Warmest
Warmest since:
 1934
Ties: 1975
Oct 1990–Mar 1991
6-Month 		29.4°F
(-1.4°C)		 30.0°F
(-1.1°C)		 -0.6°F
(-0.3°C)		 39th Coolest
Coolest since:
 1917
89th Warmest
Warmest since:
 1934
Sep 1990–Mar 1991
7-Month 		33.9°F
(1.1°C)		 33.7°F
(0.9°C)		 0.2°F
(0.2°C)		 58th Coolest
Coolest since:
 1917
70th Warmest
Warmest since:
 1934, 2015
Ties: 1921, 1936, 1987, 1993, 2008
Aug 1990–Mar 1991
8-Month 		37.9°F
(3.3°C)		 37.7°F
(3.2°C)		 0.2°F
(0.1°C)		 66th Coolest
Coolest since:
 1917
62nd Warmest
Warmest since:
 1934
Ties: 1936, 1993
Jul 1990–Mar 1991
9-Month 		41.2°F
(5.1°C)		 40.9°F
(4.9°C)		 0.3°F
(0.2°C)		 69th Coolest
Coolest since:
 1917
59th Warmest
Warmest since:
 2015
Ties: 1927, 1977
Jun 1990–Mar 1991
10-Month 		43.4°F
(6.3°C)		 42.8°F
(6.0°C)		 0.6°F
(0.3°C)		 73rd Coolest
Coolest since:
 1917
55th Warmest
Warmest since:
 1934
Ties: 1902, 1980, 1983
May 1990–Mar 1991
11-Month 		44.1°F
(6.7°C)		 43.6°F
(6.4°C)		 0.5°F
(0.3°C)		 74th Coolest
Coolest since:
 1917
54th Warmest
Warmest since:
 2015
Ties: 1927, 1980
Apr 1990–Mar 1991
12-Month 		44.3°F
(6.8°C)		 43.5°F
(6.4°C)		 0.8°F
(0.4°C)		 81st Coolest
Coolest since:
 1913
47th Warmest
Warmest since:
 2015
Ties: 1907, 1943, 1993
Oct 1989–Mar 1991
18-Month 		40.2°F
(4.6°C)		 38.9°F
(3.8°C)		 1.3°F
(0.8°C)		 97th Coolest
Coolest since:
 1913
30th Warmest
Warmest since:
 2018
Ties: 1987, 2010
Apr 1989–Mar 1991
24-Month 		44.8°F
(7.1°C)		 43.4°F
(6.3°C)		 1.4°F
(0.8°C)		 100th Coolest
Coolest since:
 1913
27th Warmest
Warmest since:
 2018
Ties: 1978, 1981, 1995, 1997
Apr 1988–Mar 1991
36-Month 		44.8°F
(7.1°C)		 43.4°F
(6.3°C)		 1.4°F
(0.8°C)		 101st Coolest
Coolest since:
 1914
25th Warmest
Warmest since:
 2017, 2018
Ties: 1983, 1996
Apr 1987–Mar 1991
48-Month 		44.6°F
(7.0°C)		 43.4°F
(6.3°C)		 1.2°F
(0.7°C)		 99th Coolest
Coolest since:
 1915
26th Warmest
Warmest since:
 2018
Ties: 1937, 1983, 1996, 2012
Apr 1986–Mar 1991
60-Month 		44.4°F
(6.9°C)		 43.3°F
(6.3°C)		 1.1°F
(0.6°C)		 90th Coolest
Coolest since:
 1917
34th Warmest
Warmest since:
 2018, 2019

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