Regional Rankings

Regional Data Info
Please note, Palmer Indices are not available for NWS Regions. Degree Days are not available for Great Plains, Souther Plains and Gulf Coast Rockies and Westward, River Basins, or Agricultural Belts. 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 1901

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
July 1901
1-Month
74.7°F
(23.7°C)
74.7°F
(23.7°C)
0.0°F
(0.0°C)
54th Coolest
Coolest since:
1987
75th Warmest
Warmest since:
2021
Ties: 1930, 1951, 1964, 1976, 2012
Jun–Jul 1901
2-Month
71.1°F
(21.7°C)
71.5°F
(21.9°C)
-0.4°F
(-0.2°C)
45th Coolest
Coolest since:
1944
84th Warmest
Warmest since:
2021
Ties: 1929, 1946, 1954, 1958
May–Jul 1901
3-Month
67.3°F
(19.6°C)
67.9°F
(19.9°C)
-0.6°F
(-0.3°C)
39th Coolest
Coolest since:
1953, 1998
90th Warmest
Warmest since:
2021
Ties: 1914, 1917, 1921
Apr–Jul 1901
4-Month
63.4°F
(17.4°C)
64.4°F
(18.0°C)
-1.0°F
(-0.6°C)
32nd Coolest
Coolest since:
1944
97th Warmest
Warmest since:
2021
Ties: 1899, 1909, 1917, 1980, 1982
Mar–Jul 1901
5-Month
60.6°F
(15.9°C)
61.3°F
(16.3°C)
-0.7°F
(-0.4°C)
41st Coolest
Coolest since:
1912
88th Warmest
Warmest since:
2013, 2014
Ties: 1962, 1977
Feb–Jul 1901
6-Month
58.1°F
(14.5°C)
58.7°F
(14.8°C)
-0.6°F
(-0.3°C)
42nd Coolest
Coolest since:
1948
87th Warmest
Warmest since:
2015
Ties: 1938, 1991, 2010
Jan–Jul 1901
7-Month
55.7°F
(13.2°C)
56.3°F
(13.5°C)
-0.6°F
(-0.3°C)
39th Coolest
Coolest since:
1955
90th Warmest
Warmest since:
2014
Ties: 1899, 1945, 1983, 1999
Dec 1900–Jul 1901
8-Month
54.3°F
(12.4°C)
54.7°F
(12.6°C)
-0.4°F
(-0.2°C)
45th Coolest
Coolest since:
1917
83rd Warmest
Warmest since:
2015
Ties: 1897, 1906, 1945, 1973, 1982
Nov 1900–Jul 1901
9-Month
54.0°F
(12.2°C)
54.1°F
(12.3°C)
-0.1°F
(-0.1°C)
53rd Coolest
Coolest since:
1917
75th Warmest
Warmest since:
2015
Ties: 1896, 1982, 1993
Oct 1900–Jul 1901
10-Month
54.4°F
(12.4°C)
54.6°F
(12.6°C)
-0.2°F
(-0.2°C)
49th Coolest
Coolest since:
1917
79th Warmest
Warmest since:
2015
Ties: 1946, 2011
Sep 1900–Jul 1901
11-Month
55.2°F
(12.9°C)
55.9°F
(13.3°C)
-0.7°F
(-0.4°C)
28th Coolest
Coolest since:
1917
100th Warmest
Warmest since:
2015
Ties: 1899, 1902, 1907, 1908, 1916, 1919, 1964
Aug 1900–Jul 1901
12-Month
56.4°F
(13.6°C)
57.4°F
(14.1°C)
-1.0°F
(-0.5°C)
14th Coolest
Coolest since:
1917
114th Warmest
Warmest since:
2015
Ties: 1898, 1921, 1922, 1923, 1944, 1952
Feb 1900–Jul 1901
18-Month
57.5°F
(14.2°C)
57.8°F
(14.3°C)
-0.3°F
(-0.1°C)
42nd Coolest
Coolest since:
1913, 1949
86th Warmest
Warmest since:
2015
Ties: 1946, 1950, 1957, 1963, 1972
Aug 1899–Jul 1901
24-Month
57.0°F
(13.9°C)
57.4°F
(14.1°C)
-0.4°F
(-0.2°C)
34th Coolest
Coolest since:
1913
93rd Warmest
Warmest since:
2015
Ties: 1924, 1942, 1963, 1964, 1973, 1976, 1983
Aug 1898–Jul 1901
36-Month
57.0°F
(13.9°C)
57.4°F
(14.1°C)
-0.4°F
(-0.2°C)
32nd Coolest
Coolest since:
1913
94th Warmest
Warmest since:
2015, 2016
Ties: 1900, 1902, 1929, 1951, 1955, 1956, 1965, 1966
Aug 1897–Jul 1901
48-Month
56.8°F
(13.8°C)
57.4°F
(14.1°C)
-0.6°F
(-0.3°C)
20th Coolest
Coolest since:
1913
105th Warmest
Warmest since:
2016, 2018
Ties: 1899, 1921, 1951, 1952, 1955
Aug 1896–Jul 1901
60-Month
56.8°F
(13.8°C)
57.3°F
(14.1°C)
-0.5°F
(-0.3°C)
19th Coolest
Coolest to Date
1913
105th Warmest
Warmest since:
2017, 2018
Ties: 1902, 1904, 1905, 1909, 1918, 1925, 1948

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