Climate at a Glance

Regional Rankings

Look up monthly rankings for 1-12, 18, 24, 36, 48, and 60-month time periods using the options below. Data and statistics are as of October 2020. For more information, please see Climatological Rankings.


California River Basin

Average Temperature Rankings, May 1999

View Period (Months):All1234567891011121824364860
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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
May 1999
1-Month
60.4°F
(15.8°C)
60.7°F
(15.9°C)
-0.3°F
(-0.1°C)
45th Coolest Coolest since: 1998 1977
82nd Warmest Warmest since: 1997 2001
Ties: 1913, 1920, 1932
Apr–May 1999
2-Month
55.8°F
(13.2°C)
57.3°F
(14.1°C)
-1.5°F
(-0.9°C)
33rd Coolest Coolest since: 1998 1967
94th Warmest Warmest since: 1997 1992
Mar–May 1999
3-Month
53.1°F
(11.7°C)
54.5°F
(12.5°C)
-1.4°F
(-0.8°C)
28th Coolest Coolest since: 1998 1917
99th Warmest Warmest since: 1997 1934
Ties: 1944
Feb–May 1999
4-Month
51.0°F
(10.6°C)
52.2°F
(11.2°C)
-1.2°F
(-0.6°C)
31st Coolest Coolest since: 1998 1917
96th Warmest Warmest since: 1997 1934
Ties: 1935
Jan–May 1999
5-Month
49.8°F
(9.9°C)
50.2°F
(10.1°C)
-0.4°F
(-0.2°C)
45th Coolest Coolest since: 1998 1917
82nd Warmest Warmest since: 1997 2015
Ties: 1973, 1974, 1979, 2010
Dec 1998–May 1999
6-Month
48.5°F
(9.2°C)
49.0°F
(9.4°C)
-0.5°F
(-0.2°C)
40th Coolest Coolest since: 1998 1917
86th Warmest Warmest since: 1997 2015
Ties: 1896, 1906, 1908, 1953
Nov 1998–May 1999
7-Month
48.6°F
(9.2°C)
49.2°F
(9.6°C)
-0.6°F
(-0.4°C)
39th Coolest Coolest since: 1998 1917
87th Warmest Warmest since: 1997 2015
Ties: 1897, 1902, 1983
Oct 1998–May 1999
8-Month
49.7°F
(9.8°C)
50.4°F
(10.2°C)
-0.7°F
(-0.4°C)
28th Coolest Coolest since: 1998 1917
98th Warmest Warmest since: 1998 2015
Ties: 1906, 1915, 1944, 1969, 1985, 1998
Sep 1998–May 1999
9-Month
51.9°F
(11.1°C)
52.5°F
(11.4°C)
-0.6°F
(-0.3°C)
36th Coolest Coolest since: 1983 1917
90th Warmest Warmest since: 1998 2015
Ties: 1897, 1923
Aug 1998–May 1999
10-Month
54.4°F
(12.4°C)
54.6°F
(12.6°C)
-0.2°F
(-0.2°C)
48th Coolest Coolest since: 1998 1917
78th Warmest Warmest since: 1997 2015
Ties: 1950, 1958, 1967, 1972, 1985, 1991
Jul 1998–May 1999
11-Month
56.4°F
(13.6°C)
56.4°F
(13.6°C)
0.0°F
(0.0°C)
54th Coolest Coolest since: 1998 1917
72nd Warmest Warmest since: 1997 2015
Ties: 1907, 1927, 1935, 1965, 1966, 1991
Jun 1998–May 1999
12-Month
57.1°F
(13.9°C)
57.4°F
(14.1°C)
-0.3°F
(-0.2°C)
40th Coolest Coolest since: 1998 1917
86th Warmest Warmest since: 1998 2015
Ties: 1907, 1923, 1924, 1925, 1956, 1957, 1966, 1967, 1998
Dec 1997–May 1999
18-Month
54.0°F
(12.2°C)
54.6°F
(12.6°C)
-0.6°F
(-0.4°C)
24th Coolest Coolest since: 1976 1917
101st Warmest Warmest since: 1998 2015
Ties: 1955, 1964, 1965, 1972
Jun 1997–May 1999
24-Month
57.1°F
(13.9°C)
57.3°F
(14.1°C)
-0.2°F
(-0.2°C)
37th Coolest Coolest since: 1977 1913, 1917
88th Warmest Warmest since: 1998 2015
Ties: 1924, 1925, 1930, 1942, 1957, 1967, 1972, 1975, 1976, 1977
Jun 1996–May 1999
36-Month
58.0°F
(14.4°C)
57.3°F
(14.1°C)
0.7°F
(0.3°C)
86th Coolest Coolest since: 1995 1913, 1917
38th Warmest Warmest since: 1998 2016
Ties: 1959, 1980, 2012
Jun 1995–May 1999
48-Month
58.4°F
(14.7°C)
57.3°F
(14.1°C)
1.1°F
(0.6°C)
104th Coolest Coolest since: 1996 1913
19th Warmest Warmest since: 1998 2016, 2017, 2018
Ties: 1989, 1995, 1996, 2002, 2012, 2013
Jun 1994–May 1999
60-Month
58.3°F
(14.6°C)
57.3°F
(14.1°C)
1.0°F
(0.5°C)
98th Coolest Coolest since: 1995 1913, 1917
24th Warmest Warmest since: 1998 2018
Ties: 1990, 1994, 2001, 2012

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published November 2020, retrieved on December 2, 2020 from https://www.ncdc.noaa.gov/cag/