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, April 1961

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
April 1961
1-Month
40.8°F
(4.9°C)
41.7°F
(5.4°C)
-0.9°F
(-0.5°C)
42nd Coolest
Coolest since:
1920
87th Warmest
Warmest since:
1992
Ties: 1901, 1963, 1980
Mar–Apr 1961
2-Month
37.2°F
(2.9°C)
37.2°F
(2.9°C)
0.0°F
(0.0°C)
56th Coolest
Coolest since:
1917
73rd Warmest
Warmest since:
1934, 1992
Ties: 1956
Feb–Apr 1961
3-Month
34.6°F
(1.4°C)
33.3°F
(0.7°C)
1.3°F
(0.7°C)
85th Coolest
Coolest since:
1903
44th Warmest
Warmest since:
1934
Ties: 1915
Jan–Apr 1961
4-Month
31.6°F
(-0.2°C)
30.3°F
(-0.9°C)
1.3°F
(0.7°C)
88th Coolest
Coolest since:
1917
41st Warmest
Warmest since:
1934
Ties: 1926, 1967, 1983, 1989
Dec 1960–Apr 1961
5-Month
29.8°F
(-1.2°C)
28.8°F
(-1.8°C)
1.0°F
(0.6°C)
81st Coolest
Coolest since:
1917
47th Warmest
Warmest since:
1934
Ties: 1980, 1989, 2011
Nov 1960–Apr 1961
6-Month
30.4°F
(-0.9°C)
29.4°F
(-1.4°C)
1.0°F
(0.5°C)
84th Coolest
Coolest since:
1917
44th Warmest
Warmest since:
1934
Ties: 1926, 1972, 1997, 2002
Oct 1960–Apr 1961
7-Month
32.5°F
(0.3°C)
31.7°F
(-0.2°C)
0.8°F
(0.5°C)
83rd Coolest
Coolest since:
1917
45th Warmest
Warmest since:
1934
Ties: 1956, 1998, 2020
Sep 1960–Apr 1961
8-Month
35.9°F
(2.2°C)
34.8°F
(1.6°C)
1.1°F
(0.6°C)
89th Coolest
Coolest since:
1917
39th Warmest
Warmest since:
1934
Aug 1960–Apr 1961
9-Month
39.1°F
(3.9°C)
38.0°F
(3.3°C)
1.1°F
(0.6°C)
87th Coolest
Coolest since:
1917
41st Warmest
Warmest since:
1934
Ties: 1956, 1967, 1982, 2019
Jul 1960–Apr 1961
10-Month
42.1°F
(5.6°C)
41.0°F
(5.0°C)
1.1°F
(0.6°C)
88th Coolest
Coolest since:
1917
40th Warmest
Warmest since:
1934
Jun 1960–Apr 1961
11-Month
43.9°F
(6.6°C)
42.7°F
(5.9°C)
1.2°F
(0.7°C)
89th Coolest
Coolest since:
1917
39th Warmest
Warmest since:
1934
Ties: 1907, 1982
May 1960–Apr 1961
12-Month
44.5°F
(6.9°C)
43.4°F
(6.3°C)
1.1°F
(0.6°C)
89th Coolest
Coolest since:
1917
39th Warmest
Warmest since:
1934, 2015, 2018
Ties: 1967, 1982
Nov 1959–Apr 1961
18-Month
39.4°F
(4.1°C)
38.7°F
(3.7°C)
0.7°F
(0.4°C)
81st Coolest
Coolest since:
1913
46th Warmest
Warmest since:
2018
Ties: 1902, 1927, 1936, 1944, 1955, 1992, 2011
May 1959–Apr 1961
24-Month
44.0°F
(6.7°C)
43.4°F
(6.3°C)
0.6°F
(0.4°C)
83rd Coolest
Coolest since:
1913
44th Warmest
Warmest since:
2018
Ties: 1934, 1940, 1955, 1983, 2011
May 1958–Apr 1961
36-Month
44.5°F
(6.9°C)
43.4°F
(6.3°C)
1.1°F
(0.6°C)
95th Coolest
Coolest since:
1914
31st Warmest
Warmest since:
2017, 2018, 2019
Ties: 2010, 2011, 2012
May 1957–Apr 1961
48-Month
44.1°F
(6.7°C)
43.4°F
(6.3°C)
0.7°F
(0.4°C)
85th Coolest
Coolest since:
1899, 1915
40th Warmest
Warmest since:
2018
Ties: 1938, 1982, 1984
May 1956–Apr 1961
60-Month
44.0°F
(6.7°C)
43.4°F
(6.3°C)
0.6°F
(0.4°C)
86th Coolest
Coolest since:
1917
38th Warmest
Warmest since:
2018, 2019
Ties: 1941, 1942, 1944, 1963, 1984

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