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, August 1951

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
August 1951
1-Month
73.1°F
(22.8°C)
73.7°F
(23.2°C)
-0.6°F
(-0.4°C)
36th Coolest
Coolest since:
1899
93rd Warmest
Warmest since:
2020
Ties: 1903, 1908, 1909, 1993
Jul–Aug 1951
2-Month
73.9°F
(23.3°C)
74.2°F
(23.4°C)
-0.3°F
(-0.1°C)
42nd Coolest
Coolest since:
1912
87th Warmest
Warmest since:
2017, 2021
Ties: 1925, 1928, 1935, 1974
Jun–Aug 1951
3-Month
72.1°F
(22.3°C)
72.2°F
(22.3°C)
-0.1°F
(0.0°C)
48th Coolest
Coolest since:
1907
81st Warmest
Warmest since:
2021
Ties: 1906, 1968, 1987, 2011
May–Aug 1951
4-Month
69.4°F
(20.8°C)
69.4°F
(20.8°C)
0.0°F
(0.0°C)
61st Coolest
Coolest since:
1907
68th Warmest
Warmest since:
2021
Ties: 1946
Apr–Aug 1951
5-Month
66.5°F
(19.2°C)
66.3°F
(19.1°C)
0.2°F
(0.1°C)
66th Coolest
Coolest since:
1912
63rd Warmest
Warmest since:
2021
Ties: 1974, 1977
Mar–Aug 1951
6-Month
63.5°F
(17.5°C)
63.4°F
(17.4°C)
0.1°F
(0.1°C)
68th Coolest
Coolest since:
1912
61st Warmest
Warmest since:
2021
Ties: 1958, 1968
Feb–Aug 1951
7-Month
60.8°F
(16.0°C)
60.8°F
(16.0°C)
0.0°F
(0.0°C)
60th Coolest
Coolest since:
1948
69th Warmest
Warmest since:
2015
Ties: 1904, 1937, 1943
Jan–Aug 1951
8-Month
58.4°F
(14.7°C)
58.5°F
(14.7°C)
-0.1°F
(0.0°C)
57th Coolest
Coolest since:
1917
72nd Warmest
Warmest since:
2015
Ties: 1904, 1906, 1957, 2010
Dec 1950–Aug 1951
9-Month
57.3°F
(14.1°C)
56.8°F
(13.8°C)
0.5°F
(0.3°C)
80th Coolest
Coolest since:
1917, 1949
48th Warmest
Warmest since:
2015
Ties: 1972, 1985
Nov 1950–Aug 1951
10-Month
56.9°F
(13.8°C)
56.0°F
(13.3°C)
0.9°F
(0.5°C)
88th Coolest
Coolest since:
1917
40th Warmest
Warmest since:
2015
Ties: 1961, 1988
Oct 1950–Aug 1951
11-Month
57.3°F
(14.1°C)
56.3°F
(13.5°C)
1.0°F
(0.6°C)
93rd Coolest
Coolest since:
1917
35th Warmest
Warmest since:
2015
Ties: 1987, 1989, 1990, 2008
Sep 1950–Aug 1951
12-Month
58.2°F
(14.6°C)
57.4°F
(14.1°C)
0.8°F
(0.5°C)
90th Coolest
Coolest since:
1917
38th Warmest
Warmest since:
2015
Ties: 1926, 1968, 1990, 2008
Mar 1950–Aug 1951
18-Month
60.1°F
(15.6°C)
59.4°F
(15.2°C)
0.7°F
(0.4°C)
88th Coolest
Coolest since:
1913, 1917, 1949
40th Warmest
Warmest since:
2015
Ties: 1927, 1931, 1970, 1984, 1985, 1998, 2010
Sep 1949–Aug 1951
24-Month
57.9°F
(14.4°C)
57.4°F
(14.1°C)
0.5°F
(0.3°C)
81st Coolest
Coolest since:
1913
46th Warmest
Warmest since:
2015
Ties: 1995
Sep 1948–Aug 1951
36-Month
57.0°F
(13.9°C)
57.3°F
(14.1°C)
-0.3°F
(-0.2°C)
31st Coolest
Coolest since:
1913
95th Warmest
Warmest since:
2016
Ties: 1901, 1907, 1916, 1925, 1933, 1946, 1955, 1956, 1965, 1974, 1976
Sep 1947–Aug 1951
48-Month
56.8°F
(13.8°C)
57.4°F
(14.1°C)
-0.6°F
(-0.3°C)
21st Coolest
Coolest since:
1913
104th Warmest
Warmest since:
2016, 2017, 2018
Ties: 1901, 1921, 1955, 1976
Sep 1946–Aug 1951
60-Month
56.9°F
(13.8°C)
57.4°F
(14.1°C)
-0.5°F
(-0.3°C)
25th Coolest
Coolest since:
1913
99th Warmest
Warmest since:
2018
Ties: 1900, 1901, 1904, 1905, 1906, 1953, 1956, 1975, 1976

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