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 1930

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
June 1930
1-Month
69.0°F
(20.6°C)
68.2°F
(20.1°C)
0.8°F
(0.5°C)
73rd Coolest
Coolest since:
1923
56th Warmest
Warmest since:
2021
Ties: 1978, 1992
May–Jun 1930
2-Month
62.8°F
(17.1°C)
64.5°F
(18.1°C)
-1.7°F
(-1.0°C)
23rd Coolest
Coolest since:
1953
106th Warmest
Warmest since:
2001
Ties: 1948
Apr–Jun 1930
3-Month
60.6°F
(15.9°C)
61.0°F
(16.1°C)
-0.4°F
(-0.2°C)
48th Coolest
Coolest since:
1967, 1998
81st Warmest
Warmest since:
2021
Ties: 1952, 1976
Mar–Jun 1930
4-Month
58.0°F
(14.4°C)
57.9°F
(14.4°C)
0.1°F
(0.0°C)
60th Coolest
Coolest since:
1917
69th Warmest
Warmest since:
2015
Ties: 1937
Feb–Jun 1930
5-Month
56.2°F
(13.4°C)
55.4°F
(13.0°C)
0.8°F
(0.4°C)
78th Coolest
Coolest since:
1917
51st Warmest
Warmest since:
2015
Ties: 1914
Jan–Jun 1930
6-Month
53.5°F
(11.9°C)
53.3°F
(11.8°C)
0.2°F
(0.1°C)
67th Coolest
Coolest since:
1917
62nd Warmest
Warmest since:
2015
Ties: 1896
Dec 1929–Jun 1930
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, 1954, 1961, 1989
Nov 1929–Jun 1930
8-Month
52.4°F
(11.3°C)
51.5°F
(10.8°C)
0.9°F
(0.5°C)
85th Coolest
Coolest since:
1917
43rd Warmest
Warmest since:
2015
Ties: 1936, 2008
Oct 1929–Jun 1930
9-Month
53.4°F
(11.9°C)
52.4°F
(11.3°C)
1.0°F
(0.6°C)
91st Coolest
Coolest since:
1917
37th Warmest
Warmest since:
2015
Ties: 1918, 1988, 1990, 2001
Sep 1929–Jun 1930
10-Month
54.8°F
(12.7°C)
54.0°F
(12.2°C)
0.8°F
(0.5°C)
87th Coolest
Coolest since:
1917
41st Warmest
Warmest since:
2015
Ties: 1900, 1914, 1970, 1980
Aug 1929–Jun 1930
11-Month
56.7°F
(13.7°C)
55.8°F
(13.2°C)
0.9°F
(0.5°C)
92nd Coolest
Coolest since:
1917
36th Warmest
Warmest to Date
2015
Ties: 1970
Jul 1929–Jun 1930
12-Month
58.2°F
(14.6°C)
57.4°F
(14.1°C)
0.8°F
(0.5°C)
94th Coolest
Coolest since:
1917
34th Warmest
Warmest since:
2015
Ties: 1954, 1961, 1970, 1994, 2001, 2008
Jan 1929–Jun 1930
18-Month
56.0°F
(13.3°C)
56.0°F
(13.3°C)
0.0°F
(0.0°C)
57th Coolest
Coolest since:
1917
71st Warmest
Warmest since:
2015
Ties: 1939, 1943, 1947, 1958, 1962, 1974, 1977, 2011
Jul 1928–Jun 1930
24-Month
57.2°F
(14.0°C)
57.4°F
(14.1°C)
-0.2°F
(-0.1°C)
46th Coolest
Coolest since:
1913
81st Warmest
Warmest since:
2015
Ties: 1900, 1958, 1963, 1967
Jul 1927–Jun 1930
36-Month
57.3°F
(14.1°C)
57.3°F
(14.1°C)
0.0°F
(0.0°C)
52nd Coolest
Coolest since:
1913, 1917
74th Warmest
Warmest since:
2016
Ties: 1943, 1947, 1952, 1953, 1958
Jul 1926–Jun 1930
48-Month
57.3°F
(14.1°C)
57.3°F
(14.1°C)
0.0°F
(0.0°C)
51st Coolest
Coolest since:
1913
74th Warmest
Warmest since:
2016
Ties: 1926, 1929, 1932, 1972, 1973
Jul 1925–Jun 1930
60-Month
57.5°F
(14.2°C)
57.4°F
(14.1°C)
0.1°F
(0.1°C)
59th Coolest
Coolest since:
1913, 1917
65th Warmest
Warmest since:
2018
Ties: 1928, 1931, 1964, 1971

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