Climate at a Glance

Statewide 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 January 2020. For more information, please see Climatological Rankings.


Iowa

Average Temperature Rankings, September 1978

View Period (Months):All1234567891011121824364860
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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
September 1978
1-Month
67.5°F
(19.7°C)
63.0°F
(17.2°C)
4.5°F
(2.5°C)
116th Coolest Coolest since: 1977 1896, 1993
10th Warmest Warmest since: 1939 1897, 1931
Aug–Sep 1978
2-Month
69.4°F
(20.8°C)
67.2°F
(19.6°C)
2.2°F
(1.2°C)
108th Coolest Coolest since: 1977 1974, 1992
18th Warmest Warmest since: 1955 1947
Ties: 1905, 1922, 1930, 2007, 2013
Jul–Sep 1978
3-Month
70.5°F
(21.4°C)
69.5°F
(20.8°C)
1.0°F
(0.6°C)
92nd Coolest Coolest since: 1977 1992
34th Warmest Warmest since: 1955 1936
Jun–Sep 1978
4-Month
70.3°F
(21.3°C)
69.3°F
(20.7°C)
1.0°F
(0.6°C)
90th Coolest Coolest since: 1977 1915
36th Warmest Warmest since: 1955 1936
Ties: 1897, 1922, 1940
May–Sep 1978
5-Month
68.2°F
(20.1°C)
67.5°F
(19.7°C)
0.7°F
(0.4°C)
91st Coolest Coolest since: 1976 1915
35th Warmest Warmest since: 1977 1936
Ties: 1944, 1953, 1970
Apr–Sep 1978
6-Month
64.8°F
(18.2°C)
64.2°F
(17.9°C)
0.6°F
(0.3°C)
78th Coolest Coolest since: 1976 1907
48th Warmest Warmest since: 1977 1936
Ties: 1896, 1949
Mar–Sep 1978
7-Month
60.0°F
(15.6°C)
60.0°F
(15.6°C)
0.0°F
(0.0°C)
60th Coolest Coolest since: 1975 1951
66th Warmest Warmest since: 1977 2012
Ties: 1935
Feb–Sep 1978
8-Month
54.0°F
(12.2°C)
55.4°F
(13.0°C)
-1.4°F
(-0.8°C)
26th Coolest Coolest since: 1975 1950
100th Warmest Warmest since: 1977 2012
Ties: 1903, 1923
Jan–Sep 1978
9-Month
48.9°F
(9.4°C)
51.2°F
(10.7°C)
-2.3°F
(-1.3°C)
14th Coolest Coolest since: 1965 1912
112th Warmest Warmest since: 1977 2012
Dec 1977–Sep 1978
10-Month
45.9°F
(7.7°C)
48.3°F
(9.1°C)
-2.4°F
(-1.4°C)
8th Coolest Coolest since: 1965 1979
117th Warmest Warmest since: 1977 2012
Ties: 1950, 1965, 1982
Nov 1977–Sep 1978
11-Month
45.0°F
(7.2°C)
47.2°F
(8.4°C)
-2.2°F
(-1.2°C)
8th Coolest Coolest since: 1951 1912
117th Warmest Warmest since: 1977 2012
Ties: 1920
Oct 1977–Sep 1978
12-Month
45.3°F
(7.4°C)
47.5°F
(8.6°C)
-2.2°F
(-1.2°C)
8th Coolest Coolest since: 1951 1912
117th Warmest Warmest since: 1977 2012
Apr 1977–Sep 1978
18-Month
52.5°F
(11.4°C)
53.1°F
(11.7°C)
-0.6°F
(-0.3°C)
35th Coolest Coolest since: 1975 1951
90th Warmest Warmest since: 1977 2012
Ties: 1928, 1943, 1946, 1958, 1968
Oct 1976–Sep 1978
24-Month
46.4°F
(8.0°C)
47.6°F
(8.7°C)
-1.2°F
(-0.7°C)
14th Coolest Coolest since: 1970 1979
110th Warmest Warmest since: 1977 2017
Ties: 1912, 1961, 1970, 2014
Oct 1975–Sep 1978
36-Month
47.5°F
(8.6°C)
47.5°F
(8.6°C)
0.0°F
(0.0°C)
67th Coolest Coolest since: 1975 1979
56th Warmest Warmest since: 1977 2000
Ties: 1910, 1925, 1959, 1964, 2009
Oct 1974–Sep 1978
48-Month
47.3°F
(8.5°C)
47.5°F
(8.6°C)
-0.2°F
(-0.1°C)
47th Coolest Coolest since: 1975 1905, 1918
75th Warmest Warmest since: 1977 1934
Ties: 1901, 1909, 1950, 1975, 1985
Oct 1973–Sep 1978
60-Month
47.4°F
(8.6°C)
47.5°F
(8.6°C)
-0.1°F
(0.0°C)
53rd Coolest Coolest since: 1975 1906, 1907
68th Warmest Warmest since: 1977 2002
Ties: 1921, 1947, 1950

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published February 2020, retrieved on February 28, 2020 from https://www.ncdc.noaa.gov/cag/