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, January 1915

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PeriodValue1901-2000
Mean
AnomalyRank
(1895-2023)
Warmest/Coolest
Since
Record
January 1915
1-Month
41.4°F
(5.2°C)
42.3°F
(5.7°C)
-0.9°F
(-0.5°C)
35th Coolest
Coolest since:
1937
95th Warmest
Warmest since:
2014
Dec 1914–Jan 1915
2-Month
40.2°F
(4.6°C)
42.7°F
(5.9°C)
-2.5°F
(-1.3°C)
15th Coolest
Coolest since:
1949
114th Warmest
Warmest since:
2018
Nov 1914–Jan 1915
3-Month
44.0°F
(6.7°C)
45.0°F
(7.2°C)
-1.0°F
(-0.5°C)
25th Coolest
Coolest since:
1949
104th Warmest
Warmest since:
2018
Ties: 1912, 1923, 1966, 1991
Oct 1914–Jan 1915
4-Month
47.8°F
(8.8°C)
48.6°F
(9.2°C)
-0.8°F
(-0.4°C)
28th Coolest
Coolest since:
1917
101st Warmest
Warmest since:
2015
Ties: 1906, 1907, 1919
Sep 1914–Jan 1915
5-Month
51.5°F
(10.8°C)
52.6°F
(11.4°C)
-1.1°F
(-0.6°C)
20th Coolest
Coolest since:
1917
109th Warmest
Warmest since:
2015
Aug 1914–Jan 1915
6-Month
55.2°F
(12.9°C)
56.1°F
(13.4°C)
-0.9°F
(-0.5°C)
22nd Coolest
Coolest since:
1917
107th Warmest
Warmest since:
2021
Ties: 1916, 1952, 1957
Jul 1914–Jan 1915
7-Month
57.8°F
(14.3°C)
58.8°F
(14.9°C)
-1.0°F
(-0.6°C)
17th Coolest
Coolest since:
1917
112th Warmest
Warmest since:
2015, 2018
Ties: 1919, 1920, 1929
Jun 1914–Jan 1915
8-Month
58.9°F
(14.9°C)
60.0°F
(15.6°C)
-1.1°F
(-0.7°C)
12th Coolest
Coolest since:
1917
117th Warmest
Warmest since:
2018
Ties: 1916, 1947
May 1914–Jan 1915
9-Month
59.2°F
(15.1°C)
60.0°F
(15.6°C)
-0.8°F
(-0.5°C)
19th Coolest
Coolest since:
1917
110th Warmest
Warmest since:
2015
Ties: 1907
Apr 1914–Jan 1915
10-Month
58.7°F
(14.8°C)
59.4°F
(15.2°C)
-0.7°F
(-0.4°C)
22nd Coolest
Coolest since:
1917
107th Warmest
Warmest since:
2015
Ties: 1926, 1979
Mar 1914–Jan 1915
11-Month
58.2°F
(14.6°C)
58.5°F
(14.7°C)
-0.3°F
(-0.1°C)
46th Coolest
Coolest since:
1949
83rd Warmest
Warmest since:
2015
Ties: 1899, 1914, 1933, 1950, 1973, 1977
Feb 1914–Jan 1915
12-Month
57.1°F
(13.9°C)
57.4°F
(14.1°C)
-0.3°F
(-0.2°C)
40th Coolest
Coolest since:
1949
89th Warmest
Warmest since:
2015
Ties: 1936, 1939, 1943, 1946, 1964
Aug 1913–Jan 1915
18-Month
57.1°F
(13.9°C)
56.9°F
(13.8°C)
0.2°F
(0.1°C)
68th Coolest
Coolest since:
1913
60th Warmest
Warmest since:
2016, 2022
Ties: 1919, 1937, 1938, 1980, 1986
Feb 1913–Jan 1915
24-Month
57.0°F
(13.9°C)
57.4°F
(14.1°C)
-0.4°F
(-0.2°C)
32nd Coolest
Coolest since:
1913
96th Warmest
Warmest since:
2016
Ties: 1897, 1900, 1905, 1919, 1943, 1945, 1955, 1956, 1958, 1965
Feb 1912–Jan 1915
36-Month
56.4°F
(13.6°C)
57.4°F
(14.1°C)
-1.0°F
(-0.5°C)
4th Coolest
Coolest since:
1914
123rd Warmest
Warmest since:
2016, 2017
Ties: 1912, 1917, 1918, 1921, 1922, 1923, 1949, 1950
Feb 1911–Jan 1915
48-Month
56.2°F
(13.4°C)
57.4°F
(14.1°C)
-1.2°F
(-0.7°C)
2nd Coolest
Coolest since:
1913
124th Warmest
Warmest since:
2018
Feb 1910–Jan 1915
60-Month
56.5°F
(13.6°C)
57.3°F
(14.1°C)
-0.8°F
(-0.5°C)
7th Coolest
Coolest since:
1913
118th Warmest
Warmest since:
2018, 2019
Ties: 1910, 1912, 1920, 1923, 1949

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