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 September 2019. For more information, please see Climatological Rankings.


Illinois

Precipitation Rankings, June 1978

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
June 1978
1-Month
3.08"
(78.23mm)
4.09"
(103.89mm)
-1.01"
(-25.66mm)
31st Driest Driest since: 1976 1988
95th Wettest Wettest since: 1977 2015
May–Jun 1978
2-Month
7.94"
(201.68mm)
8.17"
(207.52mm)
-0.23"
(-5.84mm)
60th Driest Driest since: 1977 1988
66th Wettest Wettest since: 1975 2015
Apr–Jun 1978
3-Month
11.61"
(294.89mm)
11.88"
(301.75mm)
-0.27"
(-6.86mm)
58th Driest Driest since: 1977 1988
68th Wettest Wettest since: 1975 2011
Mar–Jun 1978
4-Month
14.62"
(371.35mm)
14.97"
(380.24mm)
-0.35"
(-8.89mm)
58th Driest Driest since: 1977 2005
68th Wettest Wettest since: 1975 1945
Feb–Jun 1978
5-Month
15.29"
(388.37mm)
16.83"
(427.48mm)
-1.54"
(-39.11mm)
37th Driest Driest since: 1971 1934
89th Wettest Wettest since: 1977 1945
Ties: 1905
Jan–Jun 1978
6-Month
16.51"
(419.35mm)
18.96"
(481.58mm)
-2.45"
(-62.23mm)
28th Driest Driest since: 1971 1934
98th Wettest Wettest since: 1977 2019
Dec 1977–Jun 1978
7-Month
19.16"
(486.66mm)
21.28"
(540.51mm)
-2.12"
(-53.85mm)
35th Driest Driest since: 1977 1934
90th Wettest Wettest since: 1976 2019
Nov 1977–Jun 1978
8-Month
21.76"
(552.70mm)
24.04"
(610.62mm)
-2.28"
(-57.92mm)
32nd Driest Driest since: 1977 1934
93rd Wettest Wettest since: 1976 2019
Oct 1977–Jun 1978
9-Month
25.80"
(655.32mm)
26.83"
(681.48mm)
-1.03"
(-26.16mm)
47th Driest Driest since: 1977 1934
78th Wettest Wettest since: 1975 2019
Sep 1977–Jun 1978
10-Month
30.62"
(777.75mm)
30.32"
(770.13mm)
0.30"
(7.62mm)
62nd Driest Driest since: 1977 1934
63rd Wettest Wettest since: 1975 1927
Aug 1977–Jun 1978
11-Month
37.48"
(951.99mm)
33.82"
(859.03mm)
3.66"
(92.96mm)
89th Driest Driest since: 1977 1934
36th Wettest Wettest since: 1974 1927
Jul 1977–Jun 1978
12-Month
41.26"
(1,048.00mm)
37.46"
(951.48mm)
3.80"
(96.52mm)
87th Driest Driest since: 1977 1934
38th Wettest Wettest since: 1974 1927
Jan 1977–Jun 1978
18-Month
58.31"
(1,481.07mm)
56.38"
(1,432.05mm)
1.93"
(49.02mm)
69th Driest Driest since: 1977 1931
56th Wettest Wettest since: 1975 2009
Jul 1976–Jun 1978
24-Month
70.03"
(1,778.76mm)
74.91"
(1,902.71mm)
-4.88"
(-123.95mm)
28th Driest Driest since: 1977 1954
96th Wettest Wettest since: 1976 1974
Jul 1975–Jun 1978
36-Month
105.33"
(2,675.38mm)
112.32"
(2,852.93mm)
-6.99"
(-177.55mm)
24th Driest Driest since: 1977 1956
99th Wettest Wettest since: 1976 2011
Jul 1974–Jun 1978
48-Month
143.55"
(3,646.17mm)
149.71"
(3,802.63mm)
-6.16"
(-156.46mm)
33rd Driest Driest since: 1967 1956
89th Wettest Wettest since: 1977 2011
Jul 1973–Jun 1978
60-Month
190.84"
(4,847.34mm)
187.15"
(4,753.61mm)
3.69"
(93.73mm)
73rd Driest Driest since: 1972 1934
48th Wettest Wettest since: 1977 2011

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2019, retrieved on October 15, 2019 from https://www.ncdc.noaa.gov/cag/