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, June 1999

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
June 1999
1-Month
67.8°F
(19.9°C)
68.2°F
(20.1°C)
-0.4°F
(-0.2°C)
47th Coolest
Coolest since:
1923
82nd Warmest
Warmest since:
2021
May–Jun 1999
2-Month
64.1°F
(17.8°C)
64.5°F
(18.1°C)
-0.4°F
(-0.3°C)
44th Coolest
Coolest since:
1953
85th Warmest
Warmest since:
2001
Ties: 1914, 1941, 1982, 2005
Apr–Jun 1999
3-Month
59.8°F
(15.4°C)
61.0°F
(16.1°C)
-1.2°F
(-0.7°C)
33rd Coolest
Coolest since:
1967, 1998
96th Warmest
Warmest since:
2021
Ties: 1929, 1941
Mar–Jun 1999
4-Month
56.8°F
(13.8°C)
58.0°F
(14.4°C)
-1.2°F
(-0.6°C)
32nd Coolest
Coolest since:
1917
97th Warmest
Warmest since:
2015
Ties: 1909, 1982, 1983
Feb–Jun 1999
5-Month
54.4°F
(12.4°C)
55.4°F
(13.0°C)
-1.0°F
(-0.6°C)
28th Coolest
Coolest since:
1917
101st Warmest
Warmest since:
2015
Ties: 1899, 1906
Jan–Jun 1999
6-Month
52.8°F
(11.6°C)
53.2°F
(11.8°C)
-0.4°F
(-0.2°C)
46th Coolest
Coolest since:
1917
83rd Warmest
Warmest since:
2015
Ties: 1916, 1956, 1991
Dec 1998–Jun 1999
7-Month
51.3°F
(10.7°C)
51.8°F
(11.0°C)
-0.5°F
(-0.3°C)
41st Coolest
Coolest since:
1917
87th Warmest
Warmest since:
2015
Ties: 1901, 1973
Nov 1998–Jun 1999
8-Month
51.0°F
(10.6°C)
51.6°F
(10.9°C)
-0.6°F
(-0.3°C)
43rd Coolest
Coolest since:
1917
85th Warmest
Warmest since:
2015
Ties: 1916
Oct 1998–Jun 1999
9-Month
51.7°F
(10.9°C)
52.4°F
(11.3°C)
-0.7°F
(-0.4°C)
33rd Coolest
Coolest since:
1917
95th Warmest
Warmest since:
2015
Ties: 1908, 1945, 1953, 1967
Sep 1998–Jun 1999
10-Month
53.5°F
(11.9°C)
54.0°F
(12.2°C)
-0.5°F
(-0.3°C)
38th Coolest
Coolest since:
1917
90th Warmest
Warmest since:
2015
Ties: 1897, 1902, 1910, 1916, 1945, 1979
Aug 1998–Jun 1999
11-Month
55.6°F
(13.1°C)
55.8°F
(13.2°C)
-0.2°F
(-0.1°C)
49th Coolest
Coolest since:
1917
79th Warmest
Warmest since:
2015
Ties: 1950, 1958, 1995
Jul 1998–Jun 1999
12-Month
57.3°F
(14.1°C)
57.4°F
(14.1°C)
-0.1°F
(0.0°C)
53rd Coolest
Coolest since:
1917
75th Warmest
Warmest since:
2015
Ties: 1956, 1957, 1974, 1977, 1995
Jan 1998–Jun 1999
18-Month
55.4°F
(13.0°C)
56.0°F
(13.3°C)
-0.6°F
(-0.3°C)
26th Coolest
Coolest since:
1917
102nd Warmest
Warmest since:
2015
Ties: 1899, 1916, 1919, 1942
Jul 1997–Jun 1999
24-Month
57.1°F
(13.9°C)
57.4°F
(14.1°C)
-0.3°F
(-0.2°C)
38th Coolest
Coolest since:
1913
89th Warmest
Warmest since:
2015
Ties: 1906, 1924, 1943, 1946, 1972, 1973, 1983
Jul 1996–Jun 1999
36-Month
58.0°F
(14.4°C)
57.4°F
(14.1°C)
0.6°F
(0.3°C)
87th Coolest
Coolest since:
1913, 1917
39th Warmest
Warmest since:
2016
Ties: 1959, 1981, 1991, 2012
Jul 1995–Jun 1999
48-Month
58.5°F
(14.7°C)
57.4°F
(14.1°C)
1.1°F
(0.6°C)
107th Coolest
Coolest since:
1913
18th Warmest
Warmest since:
2016
Ties: 1992, 1998, 2002, 2008, 2013
Jul 1994–Jun 1999
60-Month
58.2°F
(14.6°C)
57.3°F
(14.1°C)
0.9°F
(0.5°C)
94th Coolest
Coolest since:
1913, 1917
30th Warmest
Warmest since:
2018
Ties: 1988, 1989, 1995, 2002

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