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 1909

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
July 1909
1-Month
72.3°F
(22.4°C)
74.7°F
(23.7°C)
-2.4°F
(-1.3°C)
7th Coolest
Coolest since:
1987
122nd Warmest
Warmest since:
2021
Jun–Jul 1909
2-Month
70.2°F
(21.2°C)
71.4°F
(21.9°C)
-1.2°F
(-0.7°C)
19th Coolest
Coolest since:
1944
110th Warmest
Warmest since:
2021
Ties: 1914, 1920
May–Jul 1909
3-Month
66.3°F
(19.1°C)
67.9°F
(19.9°C)
-1.6°F
(-0.8°C)
15th Coolest
Coolest since:
1953, 1998
114th Warmest
Warmest since:
2021
Ties: 1899, 1911, 1912
Apr–Jul 1909
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, 1901, 1917, 1980, 1982
Mar–Jul 1909
5-Month
59.9°F
(15.5°C)
61.3°F
(16.3°C)
-1.4°F
(-0.8°C)
21st Coolest
Coolest since:
1912
108th Warmest
Warmest since:
2013, 2014
Ties: 1971
Feb–Jul 1909
6-Month
57.2°F
(14.0°C)
58.7°F
(14.8°C)
-1.5°F
(-0.8°C)
15th Coolest
Coolest since:
1948
114th Warmest
Warmest since:
2015
Ties: 1922, 1967
Jan–Jul 1909
7-Month
55.4°F
(13.0°C)
56.3°F
(13.5°C)
-0.9°F
(-0.5°C)
21st Coolest
Coolest since:
1955
108th Warmest
Warmest since:
2014
Ties: 1907, 1908, 1932, 1942, 1962, 1965, 1971, 1982
Dec 1908–Jul 1909
8-Month
53.6°F
(12.0°C)
54.7°F
(12.6°C)
-1.1°F
(-0.6°C)
19th Coolest
Coolest since:
1917
109th Warmest
Warmest since:
2015
Ties: 1911, 1923, 1971
Nov 1908–Jul 1909
9-Month
53.2°F
(11.8°C)
54.1°F
(12.3°C)
-0.9°F
(-0.5°C)
21st Coolest
Coolest since:
1917
107th Warmest
Warmest since:
2015
Ties: 1898, 1907, 1911, 1915, 1919, 1965, 1979
Oct 1908–Jul 1909
10-Month
53.5°F
(11.9°C)
54.7°F
(12.6°C)
-1.2°F
(-0.7°C)
16th Coolest
Coolest since:
1917
112th Warmest
Warmest since:
2015
Ties: 1898
Sep 1908–Jul 1909
11-Month
54.7°F
(12.6°C)
55.9°F
(13.3°C)
-1.2°F
(-0.7°C)
11th Coolest
Coolest since:
1917
117th Warmest
Warmest since:
2015
Ties: 1933
Aug 1908–Jul 1909
12-Month
56.3°F
(13.5°C)
57.4°F
(14.1°C)
-1.1°F
(-0.6°C)
11th Coolest
Coolest since:
1917
117th Warmest
Warmest since:
2015
Ties: 1932, 1942, 1952
Feb 1908–Jul 1909
18-Month
56.6°F
(13.7°C)
57.8°F
(14.3°C)
-1.2°F
(-0.6°C)
6th Coolest
Coolest since:
1913, 1949
122nd Warmest
Warmest since:
2015
Ties: 1923
Aug 1907–Jul 1909
24-Month
56.4°F
(13.6°C)
57.4°F
(14.1°C)
-1.0°F
(-0.5°C)
9th Coolest
Coolest since:
1913
118th Warmest
Warmest since:
2015
Ties: 1920, 1922, 1923, 1950
Aug 1906–Jul 1909
36-Month
56.5°F
(13.6°C)
57.4°F
(14.1°C)
-0.9°F
(-0.5°C)
12th Coolest
Coolest since:
1913
114th Warmest
Warmest since:
2015, 2016
Ties: 1918
Aug 1905–Jul 1909
48-Month
56.6°F
(13.7°C)
57.4°F
(14.1°C)
-0.8°F
(-0.4°C)
13th Coolest
Coolest since:
1913
112th Warmest
Warmest since:
2016
Ties: 1903, 1904, 1910, 1911
Aug 1904–Jul 1909
60-Month
56.8°F
(13.8°C)
57.3°F
(14.1°C)
-0.5°F
(-0.3°C)
19th Coolest
Coolest since:
1913
105th Warmest
Warmest since:
2017, 2018
Ties: 1901, 1902, 1904, 1905, 1918, 1925, 1948

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