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, July 1978

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
July 1978
1-Month
74.8°F
(23.8°C)
74.7°F
(23.7°C)
0.1°F
(0.1°C)
60th Coolest
Coolest since:
1987
69th Warmest
Warmest since:
2021
Ties: 1905, 1977
Jun–Jul 1978
2-Month
71.9°F
(22.2°C)
71.5°F
(21.9°C)
0.4°F
(0.3°C)
71st Coolest
Coolest since:
1944
58th Warmest
Warmest since:
2021
Ties: 1935, 1939, 1942
May–Jul 1978
3-Month
68.3°F
(20.2°C)
67.9°F
(19.9°C)
0.4°F
(0.3°C)
61st Coolest
Coolest since:
1953, 1998
68th Warmest
Warmest since:
2021
Ties: 1904, 1957
Apr–Jul 1978
4-Month
64.1°F
(17.8°C)
64.4°F
(18.0°C)
-0.3°F
(-0.2°C)
46th Coolest
Coolest since:
1944
83rd Warmest
Warmest since:
2021
Ties: 1914, 1930, 1976
Mar–Jul 1978
5-Month
61.8°F
(16.6°C)
61.3°F
(16.3°C)
0.5°F
(0.3°C)
75th Coolest
Coolest since:
1912
54th Warmest
Warmest since:
2013, 2014
Ties: 1914, 1924, 1973
Feb–Jul 1978
6-Month
59.2°F
(15.1°C)
58.6°F
(14.8°C)
0.6°F
(0.3°C)
76th Coolest
Coolest since:
1948
53rd Warmest
Warmest since:
2015
Ties: 1966, 1973
Jan–Jul 1978
7-Month
57.3°F
(14.1°C)
56.3°F
(13.5°C)
1.0°F
(0.6°C)
87th Coolest
Coolest since:
1955
42nd Warmest
Warmest since:
2014
Ties: 1947, 1960, 1970, 1987, 2008
Dec 1977–Jul 1978
8-Month
56.0°F
(13.3°C)
54.6°F
(12.6°C)
1.4°F
(0.7°C)
98th Coolest
Coolest since:
1917
30th Warmest
Warmest since:
2015
Ties: 2002, 2012
Nov 1977–Jul 1978
9-Month
55.5°F
(13.1°C)
54.1°F
(12.3°C)
1.4°F
(0.8°C)
101st Coolest
Coolest since:
1917
27th Warmest
Warmest since:
2015
Ties: 2002
Oct 1977–Jul 1978
10-Month
56.1°F
(13.4°C)
54.7°F
(12.6°C)
1.4°F
(0.8°C)
102nd Coolest
Coolest since:
1917
26th Warmest
Warmest since:
2015
Ties: 1926
Sep 1977–Jul 1978
11-Month
57.1°F
(13.9°C)
55.8°F
(13.2°C)
1.3°F
(0.7°C)
101st Coolest
Coolest since:
1917
27th Warmest
Warmest since:
2015
Ties: 1988, 1989, 2019
Aug 1977–Jul 1978
12-Month
58.6°F
(14.8°C)
57.3°F
(14.1°C)
1.3°F
(0.7°C)
100th Coolest
Coolest since:
1917
28th Warmest
Warmest since:
2015
Ties: 1988, 1994
Feb 1977–Jul 1978
18-Month
58.6°F
(14.8°C)
57.8°F
(14.3°C)
0.8°F
(0.5°C)
88th Coolest
Coolest since:
1913, 1949
40th Warmest
Warmest since:
2015
Ties: 1931, 1951, 1985
Aug 1976–Jul 1978
24-Month
58.0°F
(14.4°C)
57.4°F
(14.1°C)
0.6°F
(0.3°C)
85th Coolest
Coolest since:
1913
42nd Warmest
Warmest since:
2015
Ties: 1934, 1968, 1986, 1987
Aug 1975–Jul 1978
36-Month
57.8°F
(14.3°C)
57.4°F
(14.1°C)
0.4°F
(0.2°C)
80th Coolest
Coolest since:
1913
46th Warmest
Warmest since:
2015, 2016
Ties: 1935, 1942, 1968, 1980, 1983, 1985, 1999
Aug 1974–Jul 1978
48-Month
57.5°F
(14.2°C)
57.4°F
(14.1°C)
0.1°F
(0.1°C)
58th Coolest
Coolest since:
1913
67th Warmest
Warmest since:
2016
Ties: 1928, 1954, 1969
Aug 1973–Jul 1978
60-Month
57.4°F
(14.1°C)
57.3°F
(14.1°C)
0.1°F
(0.0°C)
53rd Coolest
Coolest since:
1913
71st Warmest
Warmest since:
2017, 2018
Ties: 1964, 1968, 1969, 1979

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