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.

California River Basin

Average Temperature Rankings, June 1991

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
June 1991
1-Month
66.2°F
(19.0°C)
68.2°F
(20.1°C)
-2.0°F
(-1.1°C)
17th Coolest
Coolest since:
1923
112th Warmest
Warmest since:
2021
Ties: 1934, 2005
May–Jun 1991
2-Month
62.0°F
(16.7°C)
64.4°F
(18.0°C)
-2.4°F
(-1.3°C)
10th Coolest
Coolest since:
1953
119th Warmest
Warmest since:
2001
Ties: 1965, 1971
Apr–Jun 1991
3-Month
58.9°F
(14.9°C)
61.0°F
(16.1°C)
-2.1°F
(-1.2°C)
15th Coolest
Coolest since:
1967, 1998
114th Warmest
Warmest since:
2021
Ties: 1912
Mar–Jun 1991
4-Month
55.4°F
(13.0°C)
57.9°F
(14.4°C)
-2.5°F
(-1.4°C)
5th Coolest
Coolest since:
1917
124th Warmest
Warmest since:
2015
Ties: 1948
Feb–Jun 1991
5-Month
54.6°F
(12.6°C)
55.4°F
(13.0°C)
-0.8°F
(-0.4°C)
34th Coolest
Coolest since:
1917
95th Warmest
Warmest since:
2015
Ties: 1897, 1919, 1938, 1962
Jan–Jun 1991
6-Month
52.8°F
(11.6°C)
53.3°F
(11.8°C)
-0.5°F
(-0.2°C)
46th Coolest
Coolest since:
1917
83rd Warmest
Warmest since:
2015
Ties: 1916, 1956, 1999
Dec 1990–Jun 1991
7-Month
50.7°F
(10.4°C)
51.8°F
(11.0°C)
-1.1°F
(-0.6°C)
21st Coolest
Coolest since:
1917
107th Warmest
Warmest since:
2015
Ties: 1923, 1932, 1942, 1969
Nov 1990–Jun 1991
8-Month
50.6°F
(10.3°C)
51.5°F
(10.8°C)
-0.9°F
(-0.5°C)
24th Coolest
Coolest since:
1917
104th Warmest
Warmest since:
2015
Ties: 1898, 1906, 1920, 1945, 1967, 1969, 1979
Oct 1990–Jun 1991
9-Month
51.9°F
(11.1°C)
52.4°F
(11.3°C)
-0.5°F
(-0.2°C)
41st Coolest
Coolest since:
1917
87th Warmest
Warmest since:
2015
Sep 1990–Jun 1991
10-Month
53.7°F
(12.1°C)
54.0°F
(12.2°C)
-0.3°F
(-0.1°C)
49th Coolest
Coolest since:
1917
79th Warmest
Warmest since:
2015
Aug 1990–Jun 1991
11-Month
55.5°F
(13.1°C)
55.8°F
(13.2°C)
-0.3°F
(-0.1°C)
44th Coolest
Coolest since:
1917
84th Warmest
Warmest since:
2015
Ties: 1902, 1925, 1953, 1965
Jul 1990–Jun 1991
12-Month
57.2°F
(14.0°C)
57.3°F
(14.1°C)
-0.1°F
(-0.1°C)
48th Coolest
Coolest since:
1917
80th Warmest
Warmest since:
2015
Ties: 1904, 1953, 1958, 1976
Jan 1990–Jun 1991
18-Month
56.2°F
(13.4°C)
56.0°F
(13.3°C)
0.2°F
(0.1°C)
74th Coolest
Coolest since:
1917
54th Warmest
Warmest since:
2015
Ties: 1936, 1954, 1980
Jul 1989–Jun 1991
24-Month
57.6°F
(14.2°C)
57.3°F
(14.1°C)
0.3°F
(0.1°C)
71st Coolest
Coolest since:
1913
56th Warmest
Warmest since:
2015
Ties: 1984
Jul 1988–Jun 1991
36-Month
58.0°F
(14.4°C)
57.4°F
(14.1°C)
0.6°F
(0.3°C)
87th Coolest
Coolest since:
1913, 1917
39th Warmest
Warmest since:
2016
Ties: 1959, 1981, 1999, 2012
Jul 1987–Jun 1991
48-Month
58.0°F
(14.4°C)
57.4°F
(14.1°C)
0.6°F
(0.3°C)
84th Coolest
Coolest since:
1913
41st Warmest
Warmest since:
2016
Ties: 1940, 1984, 2001
Jul 1986–Jun 1991
60-Month
58.0°F
(14.4°C)
57.3°F
(14.1°C)
0.7°F
(0.3°C)
85th Coolest
Coolest since:
1913, 1917
39th Warmest
Warmest since:
2018
Ties: 1940, 1960, 1962, 1981, 1984, 1985

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