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, October 1947

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Warmest/Coolest
Since		Record
October 1947
1-Month		59.4°F
(15.2°C)		59.5°F
(15.3°C)		-0.1°F
(-0.1°C)		65th Coolest
Coolest since:
1916
64th Warmest
Warmest since:
2020
Ties: 1943, 1961, 1968, 2002
Sep–Oct 1947
2-Month		65.1°F
(18.4°C)		64.0°F
(17.8°C)		1.1°F
(0.6°C)		89th Coolest
Coolest since:
1916, 1920
40th Warmest
Warmest since:
2020
Ties: 1932, 1960
Aug–Oct 1947
3-Month		67.2°F
(19.6°C)		67.3°F
(19.6°C)		-0.1°F
(0.0°C)		50th Coolest
Coolest since:
1900
79th Warmest
Warmest since:
2020
Ties: 1904, 1940, 1953, 1965
Jul–Oct 1947
4-Month		68.6°F
(20.3°C)		69.1°F
(20.6°C)		-0.5°F
(-0.3°C)		32nd Coolest
Coolest since:
1912
97th Warmest
Warmest since:
2020
Ties: 1904, 1918, 1972, 1975, 1989
Jun–Oct 1947
5-Month		68.4°F
(20.2°C)		68.9°F
(20.5°C)		-0.5°F
(-0.3°C)		31st Coolest
Coolest since:
1912
98th Warmest
Warmest since:
2020
Ties: 1915, 1956
May–Oct 1947
6-Month		67.8°F
(19.9°C)		67.6°F
(19.8°C)		0.2°F
(0.1°C)		63rd Coolest
Coolest since:
1916
66th Warmest
Warmest since:
2020
Ties: 1904, 1951, 1983, 1985
Apr–Oct 1947
7-Month		66.2°F
(19.0°C)		65.6°F
(18.7°C)		0.6°F
(0.3°C)		81st Coolest
Coolest since:
1912
48th Warmest
Warmest since:
2020
Ties: 1910, 1950
Mar–Oct 1947
8-Month		64.3°F
(17.9°C)		63.5°F
(17.5°C)		0.8°F
(0.4°C)		87th Coolest
Coolest since:
1912
42nd Warmest
Warmest since:
2014, 2015
Ties: 1937, 1972, 1974, 1979, 1993
Feb–Oct 1947
9-Month		62.5°F
(16.9°C)		61.5°F
(16.4°C)		1.0°F
(0.5°C)		92nd Coolest
Coolest since:
1912
37th Warmest
Warmest since:
2015
Jan–Oct 1947
10-Month		60.3°F
(15.7°C)		59.6°F
(15.3°C)		0.7°F
(0.4°C)		86th Coolest
Coolest since:
1911, 1912
43rd Warmest
Warmest since:
2015
Dec 1946–Oct 1947
11-Month		58.8°F
(14.9°C)		58.1°F
(14.5°C)		0.7°F
(0.4°C)		87th Coolest
Coolest since:
1912
41st Warmest
Warmest since:
2015
Ties: 1939, 1961, 1970, 1995
Nov 1946–Oct 1947
12-Month		57.8°F
(14.3°C)		57.4°F
(14.1°C)		0.4°F
(0.2°C)		81st Coolest
Coolest since:
1912
47th Warmest
Warmest since:
2015
Ties: 1954, 1977, 1989
May 1946–Oct 1947
18-Month		60.8°F
(16.0°C)		60.8°F
(16.0°C)		0.0°F
(0.0°C)		57th Coolest
Coolest since:
1912
71st Warmest
Warmest since:
2015
Ties: 1914, 1928, 1950
Nov 1945–Oct 1947
24-Month		57.3°F
(14.1°C)		57.4°F
(14.1°C)		-0.1°F
(0.0°C)		54th Coolest
Coolest since:
1912, 1949
73rd Warmest
Warmest since:
2015
Ties: 1901, 1906, 1962
Nov 1944–Oct 1947
36-Month		57.2°F
(14.0°C)		57.4°F
(14.1°C)		-0.2°F
(-0.1°C)		45th Coolest
Coolest since:
1913
81st Warmest
Warmest since:
2016
Ties: 1929, 1933, 1945, 1953
Nov 1943–Oct 1947
48-Month		57.0°F
(13.9°C)		57.4°F
(14.1°C)		-0.4°F
(-0.2°C)		35th Coolest
Coolest since:
1912, 1913
90th Warmest
Warmest since:
2017
Ties: 1907, 1952, 1957, 1975
Nov 1942–Oct 1947
60-Month		57.2°F
(14.0°C)		57.4°F
(14.1°C)		-0.2°F
(-0.1°C)		45th Coolest
Coolest since:
1913
79th Warmest
Warmest since:
2018
Ties: 1927, 1967, 1973

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