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, October 1909

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
October 1909
1-Month
58.0°F
(14.4°C)
59.5°F
(15.3°C)
-1.5°F
(-0.9°C)
27th Coolest
Coolest since:
1916
102nd Warmest
Warmest since:
2020
Ties: 1922, 1970
Sep–Oct 1909
2-Month
62.7°F
(17.1°C)
64.0°F
(17.8°C)
-1.3°F
(-0.7°C)
22nd Coolest
Coolest since:
1916, 1920
107th Warmest
Warmest since:
2020
Aug–Oct 1909
3-Month
66.2°F
(19.0°C)
67.3°F
(19.6°C)
-1.1°F
(-0.6°C)
23rd Coolest
Coolest since:
1900
106th Warmest
Warmest since:
2020
Ties: 1923, 1986
Jul–Oct 1909
4-Month
67.7°F
(19.8°C)
69.1°F
(20.6°C)
-1.4°F
(-0.8°C)
12th Coolest
Coolest since:
1912
117th Warmest
Warmest since:
2020
Ties: 1919
Jun–Oct 1909
5-Month
67.8°F
(19.9°C)
68.9°F
(20.5°C)
-1.1°F
(-0.6°C)
12th Coolest
Coolest since:
1912
117th Warmest
Warmest since:
2020
Ties: 1895, 1919, 1982
May–Oct 1909
6-Month
66.2°F
(19.0°C)
67.5°F
(19.7°C)
-1.3°F
(-0.7°C)
11th Coolest
Coolest since:
1916
118th Warmest
Warmest since:
2020
Ties: 1900
Apr–Oct 1909
7-Month
64.6°F
(18.1°C)
65.6°F
(18.7°C)
-1.0°F
(-0.6°C)
17th Coolest
Coolest since:
1912
112th Warmest
Warmest since:
2020
Ties: 1905, 1971, 1998
Mar–Oct 1909
8-Month
62.2°F
(16.8°C)
63.5°F
(17.5°C)
-1.3°F
(-0.7°C)
11th Coolest
Coolest since:
1912
118th Warmest
Warmest since:
2014, 2015
Ties: 1923, 1941
Feb–Oct 1909
9-Month
60.2°F
(15.7°C)
61.5°F
(16.4°C)
-1.3°F
(-0.7°C)
10th Coolest
Coolest since:
1912
119th Warmest
Warmest since:
2015
Ties: 1944
Jan–Oct 1909
10-Month
58.7°F
(14.8°C)
59.6°F
(15.3°C)
-0.9°F
(-0.5°C)
21st Coolest
Coolest since:
1911, 1912
108th Warmest
Warmest since:
2015
Ties: 1897, 1982
Dec 1908–Oct 1909
11-Month
57.0°F
(13.9°C)
58.1°F
(14.5°C)
-1.1°F
(-0.6°C)
13th Coolest
Coolest since:
1912
115th Warmest
Warmest since:
2015
Ties: 1899, 1907, 1919, 1923, 1944
Nov 1908–Oct 1909
12-Month
56.4°F
(13.6°C)
57.3°F
(14.1°C)
-0.9°F
(-0.5°C)
16th Coolest
Coolest since:
1912
112th Warmest
Warmest since:
2015
Ties: 1933
May 1908–Oct 1909
18-Month
59.5°F
(15.3°C)
60.8°F
(16.0°C)
-1.3°F
(-0.7°C)
6th Coolest
Coolest since:
1912
122nd Warmest
Warmest since:
2015
Ties: 1908
Nov 1907–Oct 1909
24-Month
56.5°F
(13.6°C)
57.4°F
(14.1°C)
-0.9°F
(-0.5°C)
12th Coolest
Coolest since:
1912, 1949
115th Warmest
Warmest since:
2015
Ties: 1899, 1911, 1950
Nov 1906–Oct 1909
36-Month
56.4°F
(13.6°C)
57.4°F
(14.1°C)
-1.0°F
(-0.5°C)
7th Coolest
Coolest since:
1913
119th Warmest
Warmest since:
2016
Ties: 1914
Nov 1905–Oct 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:
1912, 1913
112th Warmest
Warmest since:
2017
Ties: 1910, 1950
Nov 1904–Oct 1909
60-Month
56.8°F
(13.8°C)
57.4°F
(14.1°C)
-0.6°F
(-0.3°C)
19th Coolest
Coolest since:
1913
105th Warmest
Warmest since:
2018
Ties: 1900, 1901, 1902, 1907, 1925, 1948, 1952

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