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 1975

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Warmest/Coolest
Since		Record
October 1975
1-Month		57.5°F
(14.2°C)		59.5°F
(15.3°C)		-2.0°F
(-1.1°C)		22nd Coolest
Coolest since:
1916
107th Warmest
Warmest since:
2020
Sep–Oct 1975
2-Month		64.3°F
(17.9°C)		64.0°F
(17.8°C)		0.3°F
(0.1°C)		71st Coolest
Coolest since:
1916, 1920
58th Warmest
Warmest since:
2020
Ties: 1929, 1968, 1976, 1994
Aug–Oct 1975
3-Month		66.9°F
(19.4°C)		67.3°F
(19.6°C)		-0.4°F
(-0.2°C)		41st Coolest
Coolest since:
1900
88th Warmest
Warmest since:
2020
Ties: 1901, 1903, 1910, 1970
Jul–Oct 1975
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, 1947, 1972, 1989
Jun–Oct 1975
5-Month		68.5°F
(20.3°C)		68.9°F
(20.5°C)		-0.4°F
(-0.2°C)		34th Coolest
Coolest since:
1912
95th Warmest
Warmest since:
2020
Ties: 1910, 1953, 1963
May–Oct 1975
6-Month		67.2°F
(19.6°C)		67.6°F
(19.8°C)		-0.4°F
(-0.2°C)		35th Coolest
Coolest since:
1916
94th Warmest
Warmest since:
2020
Ties: 1898, 1943, 1949, 1954, 1957, 1962
Apr–Oct 1975
7-Month		64.3°F
(17.9°C)		65.6°F
(18.7°C)		-1.3°F
(-0.8°C)		12th Coolest
Coolest since:
1912
117th Warmest
Warmest since:
2020
Mar–Oct 1975
8-Month		62.1°F
(16.7°C)		63.5°F
(17.5°C)		-1.4°F
(-0.8°C)		7th Coolest
Coolest since:
1912
122nd Warmest
Warmest since:
2014, 2015
Ties: 1899, 1902, 1908
Feb–Oct 1975
9-Month		60.0°F
(15.6°C)		61.5°F
(16.4°C)		-1.5°F
(-0.8°C)		6th Coolest
Coolest since:
1912
123rd Warmest
Warmest since:
2015
Ties: 1908
Jan–Oct 1975
10-Month		58.3°F
(14.6°C)		59.6°F
(15.3°C)		-1.3°F
(-0.7°C)		9th Coolest
Coolest since:
1911, 1912
120th Warmest
Warmest since:
2015
Ties: 1920, 1922, 1923, 1944
Dec 1974–Oct 1975
11-Month		56.8°F
(13.8°C)		58.1°F
(14.5°C)		-1.3°F
(-0.7°C)		9th Coolest
Coolest since:
1912
119th Warmest
Warmest since:
2015
Ties: 1916, 1920
Nov 1974–Oct 1975
12-Month		56.2°F
(13.4°C)		57.4°F
(14.1°C)		-1.2°F
(-0.7°C)		10th Coolest
Coolest since:
1912
118th Warmest
Warmest since:
2015
Ties: 1907, 1919, 1955
May 1974–Oct 1975
18-Month		60.4°F
(15.8°C)		60.8°F
(16.0°C)		-0.4°F
(-0.2°C)		37th Coolest
Coolest since:
1912
91st Warmest
Warmest since:
2015
Ties: 1925, 1956, 1973
Nov 1973–Oct 1975
24-Month		57.0°F
(13.9°C)		57.4°F
(14.1°C)		-0.4°F
(-0.2°C)		33rd Coolest
Coolest since:
1912, 1949
94th Warmest
Warmest since:
2015
Ties: 1902, 1930, 1946, 1955, 1972, 1973
Nov 1972–Oct 1975
36-Month		56.9°F
(13.8°C)		57.4°F
(14.1°C)		-0.5°F
(-0.3°C)		27th Coolest
Coolest since:
1913
99th Warmest
Warmest since:
2016
Ties: 1898, 1901, 1905, 1907, 1915, 1955, 1973
Nov 1971–Oct 1975
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, 1947, 1952, 1957
Nov 1970–Oct 1975
60-Month		56.9°F
(13.8°C)		57.4°F
(14.1°C)		-0.5°F
(-0.3°C)		27th Coolest
Coolest since:
1913
97th Warmest
Warmest since:
2018
Ties: 1904, 1905, 1906, 1908, 1956

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