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 1989

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
June 1989
1-Month
69.5°F
(20.8°C)
68.3°F
(20.2°C)
1.2°F
(0.6°C)
85th Coolest
Coolest since:
1923
44th Warmest
Warmest since:
2021
Ties: 1936
May–Jun 1989
2-Month
65.5°F
(18.6°C)
64.5°F
(18.1°C)
1.0°F
(0.5°C)
79th Coolest
Coolest since:
1953
50th Warmest
Warmest since:
2001
Apr–Jun 1989
3-Month
63.7°F
(17.6°C)
61.0°F
(16.1°C)
2.7°F
(1.5°C)
111th Coolest
Coolest since:
1967, 1998
18th Warmest
Warmest since:
2021
Mar–Jun 1989
4-Month
60.7°F
(15.9°C)
58.0°F
(14.4°C)
2.7°F
(1.5°C)
112th Coolest
Coolest since:
1917
17th Warmest
Warmest since:
2015
Feb–Jun 1989
5-Month
57.1°F
(13.9°C)
55.4°F
(13.0°C)
1.7°F
(0.9°C)
103rd Coolest
Coolest since:
1917
26th Warmest
Warmest since:
2015
Ties: 2002
Jan–Jun 1989
6-Month
54.4°F
(12.4°C)
53.3°F
(11.8°C)
1.1°F
(0.6°C)
92nd Coolest
Coolest since:
1917
37th Warmest
Warmest since:
2015
Ties: 1924, 1961, 1968, 1978, 1988
Dec 1988–Jun 1989
7-Month
52.7°F
(11.5°C)
51.8°F
(11.0°C)
0.9°F
(0.5°C)
90th Coolest
Coolest since:
1917
38th Warmest
Warmest since:
2015
Ties: 1928, 1930, 1954, 1961
Nov 1988–Jun 1989
8-Month
52.3°F
(11.3°C)
51.5°F
(10.8°C)
0.8°F
(0.5°C)
82nd Coolest
Coolest since:
1917
46th Warmest
Warmest since:
2015
Ties: 1947
Oct 1988–Jun 1989
9-Month
53.7°F
(12.1°C)
52.4°F
(11.3°C)
1.3°F
(0.8°C)
99th Coolest
Coolest since:
1917
29th Warmest
Warmest since:
2015
Ties: 1951, 1994, 2012
Sep 1988–Jun 1989
10-Month
55.3°F
(12.9°C)
54.0°F
(12.2°C)
1.3°F
(0.7°C)
102nd Coolest
Coolest since:
1917
26th Warmest
Warmest since:
2015
Ties: 1994, 2006, 2019
Aug 1988–Jun 1989
11-Month
57.0°F
(13.9°C)
55.8°F
(13.2°C)
1.2°F
(0.7°C)
99th Coolest
Coolest since:
1917
29th Warmest
Warmest since:
2015
Jul 1988–Jun 1989
12-Month
58.7°F
(14.8°C)
57.3°F
(14.1°C)
1.4°F
(0.7°C)
102nd Coolest
Coolest since:
1917
26th Warmest
Warmest since:
2015
Ties: 2012
Jan 1988–Jun 1989
18-Month
57.3°F
(14.1°C)
56.0°F
(13.3°C)
1.3°F
(0.8°C)
102nd Coolest
Coolest since:
1917
26th Warmest
Warmest since:
2015
Ties: 1960, 1981, 2008
Jul 1987–Jun 1989
24-Month
58.4°F
(14.7°C)
57.4°F
(14.1°C)
1.0°F
(0.6°C)
96th Coolest
Coolest since:
1913
31st Warmest
Warmest since:
2015
Ties: 1959, 1990, 2006
Jul 1986–Jun 1989
36-Month
58.3°F
(14.6°C)
57.4°F
(14.1°C)
0.9°F
(0.5°C)
95th Coolest
Coolest since:
1913, 1917
31st Warmest
Warmest since:
2016
Ties: 1941, 1986
Jul 1985–Jun 1989
48-Month
58.3°F
(14.6°C)
57.3°F
(14.1°C)
1.0°F
(0.5°C)
95th Coolest
Coolest since:
1913
30th Warmest
Warmest since:
2016
Ties: 1962, 1993
Jul 1984–Jun 1989
60-Month
58.2°F
(14.6°C)
57.3°F
(14.1°C)
0.9°F
(0.5°C)
94th Coolest
Coolest since:
1913, 1917
30th Warmest
Warmest since:
2018
Ties: 1988, 1995, 1999, 2002

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