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 1999

View Period (Months):
Download: CSV JSON XML
  • Record Coolest
  • Bottom ⅒
  • Bottom ⅓
  • Normal
  • Top ⅓
  • Top ⅒
  • Record Warmest
PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Warmest/Coolest
Since		Record
October 1999
1-Month		63.7°F
(17.6°C)		59.5°F
(15.3°C)		4.2°F
(2.3°C)		118th Coolest
Coolest since:
1916
11th Warmest
Warmest since:
2020
Ties: 1952, 1978
Sep–Oct 1999
2-Month		67.2°F
(19.6°C)		64.0°F
(17.8°C)		3.2°F
(1.8°C)		120th Coolest
Coolest since:
1916, 1920
9th Warmest
Warmest since:
2020
Ties: 1952
Aug–Oct 1999
3-Month		69.0°F
(20.6°C)		67.3°F
(19.6°C)		1.7°F
(1.0°C)		108th Coolest
Coolest since:
1900
21st Warmest
Warmest since:
2020
Jul–Oct 1999
4-Month		70.1°F
(21.2°C)		69.1°F
(20.6°C)		1.0°F
(0.6°C)		93rd Coolest
Coolest since:
1912
36th Warmest
Warmest since:
2020
Ties: 1974, 1984, 2010, 2013
Jun–Oct 1999
5-Month		69.6°F
(20.9°C)		68.9°F
(20.5°C)		0.7°F
(0.4°C)		82nd Coolest
Coolest since:
1912
47th Warmest
Warmest since:
2020
Ties: 1918, 1922, 1940, 1978, 2000
May–Oct 1999
6-Month		68.1°F
(20.1°C)		67.6°F
(19.8°C)		0.5°F
(0.3°C)		76th Coolest
Coolest since:
1916
53rd Warmest
Warmest since:
2020
Apr–Oct 1999
7-Month		65.7°F
(18.7°C)		65.6°F
(18.7°C)		0.1°F
(0.0°C)		57th Coolest
Coolest since:
1912
72nd Warmest
Warmest since:
2020
Ties: 1897, 1898, 1904, 1935, 1972, 1986, 1995
Mar–Oct 1999
8-Month		63.4°F
(17.4°C)		63.5°F
(17.5°C)		-0.1°F
(-0.1°C)		55th Coolest
Coolest since:
1912
74th Warmest
Warmest since:
2014, 2015
Ties: 1933, 1938, 1949, 1967, 1977, 1991
Feb–Oct 1999
9-Month		61.4°F
(16.3°C)		61.5°F
(16.4°C)		-0.1°F
(-0.1°C)		53rd Coolest
Coolest since:
1912
76th Warmest
Warmest since:
2015
Ties: 1904, 1932, 1963, 1980, 2011
Jan–Oct 1999
10-Month		59.7°F
(15.4°C)		59.6°F
(15.3°C)		0.1°F
(0.1°C)		67th Coolest
Coolest since:
1911, 1912
62nd Warmest
Warmest since:
2015
Ties: 1910, 1951, 1967, 1977
Dec 1998–Oct 1999
11-Month		58.1°F
(14.5°C)		58.1°F
(14.5°C)		0.0°F
(0.0°C)		59th Coolest
Coolest since:
1912
69th Warmest
Warmest since:
2015
Ties: 1905, 1983, 1985
Nov 1998–Oct 1999
12-Month		57.3°F
(14.1°C)		57.4°F
(14.1°C)		-0.1°F
(0.0°C)		54th Coolest
Coolest since:
1912
74th Warmest
Warmest since:
2015
Ties: 1900, 1935, 1957, 1972
May 1998–Oct 1999
18-Month		60.5°F
(15.8°C)		60.8°F
(16.0°C)		-0.3°F
(-0.2°C)		41st Coolest
Coolest since:
1912
87th Warmest
Warmest since:
2015
Ties: 1946, 1952, 1957, 1962, 1969, 1971, 1972, 1976
Nov 1997–Oct 1999
24-Month		57.2°F
(14.0°C)		57.4°F
(14.1°C)		-0.2°F
(-0.1°C)		46th Coolest
Coolest since:
1912, 1949
81st Warmest
Warmest since:
2015
Ties: 1925, 1929, 1938, 1944, 1954, 1966, 1974
Nov 1996–Oct 1999
36-Month		57.9°F
(14.4°C)		57.4°F
(14.1°C)		0.5°F
(0.3°C)		83rd Coolest
Coolest since:
1913
43rd Warmest
Warmest since:
2016
Ties: 1928, 1978, 2000
Nov 1995–Oct 1999
48-Month		58.4°F
(14.7°C)		57.4°F
(14.1°C)		1.0°F
(0.6°C)		103rd Coolest
Coolest since:
1912, 1913
22nd Warmest
Warmest since:
2017
Ties: 1989, 1990, 1992, 1996, 2012, 2013
Nov 1994–Oct 1999
60-Month		58.2°F
(14.6°C)		57.4°F
(14.1°C)		0.8°F
(0.5°C)		93rd Coolest
Coolest since:
1913
31st Warmest
Warmest since:
2018
Ties: 1961, 1993, 1995, 2002

Citing This Page