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 1910

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PeriodValue1901-2000
Mean
AnomalyRank
(1895-2023)
Warmest/Coolest
Since
Record
January 1910
1-Month
38.8°F
(3.8°C)
42.3°F
(5.7°C)
-3.5°F
(-1.9°C)
11th Coolest
Coolest since:
1937
119th Warmest
Warmest since:
2014
Ties: 1913, 1952
Dec 1909–Jan 1910
2-Month
39.4°F
(4.1°C)
42.7°F
(5.9°C)
-3.3°F
(-1.8°C)
6th Coolest
Coolest to Date
1949
123rd Warmest
Warmest since:
2018
Ties: 1950
Nov 1909–Jan 1910
3-Month
42.3°F
(5.7°C)
45.0°F
(7.2°C)
-2.7°F
(-1.5°C)
8th Coolest
Coolest to Date
1949
121st Warmest
Warmest since:
2018
Oct 1909–Jan 1910
4-Month
46.3°F
(7.9°C)
48.6°F
(9.2°C)
-2.3°F
(-1.3°C)
8th Coolest
Coolest since:
1917
121st Warmest
Warmest since:
2015
Sep 1909–Jan 1910
5-Month
50.5°F
(10.3°C)
52.6°F
(11.4°C)
-2.1°F
(-1.1°C)
9th Coolest
Coolest since:
1917
120th Warmest
Warmest since:
2015
Aug 1909–Jan 1910
6-Month
54.3°F
(12.4°C)
56.1°F
(13.4°C)
-1.8°F
(-1.0°C)
6th Coolest
Coolest since:
1917
123rd Warmest
Warmest since:
2021
Ties: 1898
Jul 1909–Jan 1910
7-Month
56.8°F
(13.8°C)
58.8°F
(14.9°C)
-2.0°F
(-1.1°C)
4th Coolest
Coolest to Date
1917
125th Warmest
Warmest since:
2015, 2018
Jun 1909–Jan 1910
8-Month
58.3°F
(14.6°C)
60.0°F
(15.6°C)
-1.7°F
(-1.0°C)
4th Coolest
Coolest to Date
1917
125th Warmest
Warmest since:
2018
Ties: 1912, 1921
May 1909–Jan 1910
9-Month
58.3°F
(14.6°C)
60.0°F
(15.6°C)
-1.7°F
(-1.0°C)
5th Coolest
Coolest to Date
1917
124th Warmest
Warmest since:
2015
Apr 1909–Jan 1910
10-Month
57.9°F
(14.4°C)
59.4°F
(15.2°C)
-1.5°F
(-0.8°C)
5th Coolest
Coolest to Date
1917
124th Warmest
Warmest since:
2015
Ties: 1921, 1972
Mar 1909–Jan 1910
11-Month
56.8°F
(13.8°C)
58.5°F
(14.7°C)
-1.7°F
(-0.9°C)
4th Coolest
Coolest to Date
1949
125th Warmest
Warmest since:
2015
Ties: 1912, 1921
Feb 1909–Jan 1910
12-Month
55.7°F
(13.2°C)
57.4°F
(14.1°C)
-1.7°F
(-0.9°C)
5th Coolest
Coolest to Date
1949
124th Warmest
Warmest since:
2015
Aug 1908–Jan 1910
18-Month
55.6°F
(13.1°C)
56.9°F
(13.8°C)
-1.3°F
(-0.7°C)
6th Coolest
Coolest to Date
1913
122nd Warmest
Warmest since:
2016, 2022
Ties: 1918
Feb 1908–Jan 1910
24-Month
56.0°F
(13.3°C)
57.4°F
(14.1°C)
-1.4°F
(-0.8°C)
3rd Coolest
Coolest to Date
1913
125th Warmest
Warmest since:
2016
Ties: 1914, 1917
Feb 1907–Jan 1910
36-Month
56.3°F
(13.5°C)
57.4°F
(14.1°C)
-1.1°F
(-0.6°C)
3rd Coolest
Coolest to Date
1914
124th Warmest
Warmest since:
2016, 2017
Feb 1906–Jan 1910
48-Month
56.4°F
(13.6°C)
57.4°F
(14.1°C)
-1.0°F
(-0.5°C)
3rd Coolest
Coolest to Date
1913
123rd Warmest
Warmest since:
2018
Ties: 1912, 1914, 1916, 1923, 1924, 1950
Feb 1905–Jan 1910
60-Month
56.5°F
(13.6°C)
57.3°F
(14.1°C)
-0.8°F
(-0.5°C)
7th Coolest
Coolest to Date
1913
118th Warmest
Warmest since:
2018, 2019
Ties: 1912, 1915, 1920, 1923, 1949

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