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, February 1999

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
February 1999
1-Month
44.9°F
(7.2°C)
45.3°F
(7.4°C)
-0.4°F
(-0.2°C)
49th Coolest
Coolest since:
1903
80th Warmest
Warmest since:
2015
Jan–Feb 1999
2-Month
45.0°F
(7.2°C)
43.9°F
(6.6°C)
1.1°F
(0.6°C)
82nd Coolest
Coolest since:
1949
47th Warmest
Warmest since:
2015
Ties: 1907, 1914, 1943, 1967, 1977
Dec 1998–Feb 1999
3-Month
44.0°F
(6.7°C)
43.6°F
(6.4°C)
0.4°F
(0.3°C)
67th Coolest
Coolest since:
1949
61st Warmest
Warmest since:
2015
Ties: 1931, 1935, 1988, 2001, 2007
Nov 1998–Feb 1999
4-Month
45.2°F
(7.3°C)
45.1°F
(7.3°C)
0.1°F
(0.0°C)
54th Coolest
Coolest since:
1949
74th Warmest
Warmest since:
2015
Ties: 1904, 1907, 1942, 1995
Oct 1998–Feb 1999
5-Month
47.7°F
(8.7°C)
48.0°F
(8.9°C)
-0.3°F
(-0.2°C)
46th Coolest
Coolest since:
1949
82nd Warmest
Warmest since:
2015
Ties: 1964, 1975, 1983
Sep 1998–Feb 1999
6-Month
51.3°F
(10.7°C)
51.4°F
(10.8°C)
-0.1°F
(-0.1°C)
52nd Coolest
Coolest since:
1917, 1949
76th Warmest
Warmest since:
2015
Ties: 1906, 1957
Aug 1998–Feb 1999
7-Month
55.0°F
(12.8°C)
54.6°F
(12.6°C)
0.4°F
(0.2°C)
76th Coolest
Coolest since:
1917
52nd Warmest
Warmest since:
2015
Ties: 1965, 1977, 1993, 1994, 1995
Jul 1998–Feb 1999
8-Month
57.6°F
(14.2°C)
57.1°F
(13.9°C)
0.5°F
(0.3°C)
75th Coolest
Coolest since:
1917
53rd Warmest
Warmest since:
2015
Ties: 1914, 1988, 2008
Jun 1998–Feb 1999
9-Month
58.5°F
(14.7°C)
58.4°F
(14.7°C)
0.1°F
(0.0°C)
64th Coolest
Coolest since:
1917
64th Warmest
Warmest since:
2015
Ties: 1902, 1914, 1965, 1971, 1987, 1990
May 1998–Feb 1999
10-Month
58.1°F
(14.5°C)
58.6°F
(14.8°C)
-0.5°F
(-0.3°C)
33rd Coolest
Coolest since:
1917
95th Warmest
Warmest since:
2015
Ties: 1926, 1937, 1964, 1983
Apr 1998–Feb 1999
11-Month
57.5°F
(14.2°C)
58.1°F
(14.5°C)
-0.6°F
(-0.3°C)
25th Coolest
Coolest since:
1949
103rd Warmest
Warmest since:
2015
Ties: 1924, 1929
Mar 1998–Feb 1999
12-Month
56.8°F
(13.8°C)
57.3°F
(14.1°C)
-0.5°F
(-0.3°C)
26th Coolest
Coolest since:
1949
102nd Warmest
Warmest since:
2015
Ties: 1897, 1916, 1924, 1946
Sep 1997–Feb 1999
18-Month
55.2°F
(12.9°C)
55.3°F
(12.9°C)
-0.1°F
(0.0°C)
42nd Coolest
Coolest since:
1913, 1949
85th Warmest
Warmest since:
2015
Ties: 1928, 1948, 1953, 1957, 1983
Mar 1997–Feb 1999
24-Month
57.9°F
(14.4°C)
57.4°F
(14.1°C)
0.5°F
(0.3°C)
81st Coolest
Coolest since:
1913
46th Warmest
Warmest since:
2015, 2016
Ties: 1927, 1928
Mar 1996–Feb 1999
36-Month
58.3°F
(14.6°C)
57.3°F
(14.1°C)
1.0°F
(0.5°C)
98th Coolest
Coolest since:
1914
28th Warmest
Warmest since:
2016
Ties: 1941, 1988, 1990, 1992
Mar 1995–Feb 1999
48-Month
58.5°F
(14.7°C)
57.4°F
(14.1°C)
1.1°F
(0.6°C)
104th Coolest
Coolest since:
1913
21st Warmest
Warmest since:
2018
Ties: 1996
Mar 1994–Feb 1999
60-Month
58.5°F
(14.7°C)
57.4°F
(14.1°C)
1.1°F
(0.6°C)
104th Coolest
Coolest since:
1913
20th Warmest
Warmest since:
2018
Ties: 2013

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