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


Illinois

Precipitation Rankings, April 1979

View Period (Months):All1234567891011121824364860
Download: xml csv json
  • Record Driest
  • Bottom 1/10
  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
April 1979
1-Month
5.84"
(148.34mm)
3.72"
(94.49mm)
2.12"
(53.85mm)
113th Driest Driest since: 1978 1971
13th Wettest Wettest since: 1970 2011
Mar–Apr 1979
2-Month
10.46"
(265.68mm)
6.81"
(172.97mm)
3.65"
(92.71mm)
119th Driest Driest since: 1978 1915
7th Wettest Wettest since: 1973 1973
Feb–Apr 1979
3-Month
12.25"
(311.15mm)
8.66"
(219.96mm)
3.59"
(91.19mm)
116th Driest Driest since: 1978 1895
10th Wettest Wettest since: 1973 1945
Jan–Apr 1979
4-Month
15.22"
(386.59mm)
10.79"
(274.07mm)
4.43"
(112.52mm)
120th Driest Driest since: 1978 1895
6th Wettest Wettest since: 1950 1950
Ties: 1927
Dec 1978–Apr 1979
5-Month
18.39"
(467.11mm)
13.11"
(332.99mm)
5.28"
(134.12mm)
119th Driest Driest since: 1978 1934
6th Wettest Wettest since: 1973 1950
Nov 1978–Apr 1979
6-Month
21.77"
(552.96mm)
15.87"
(403.10mm)
5.90"
(149.86mm)
119th Driest Driest since: 1978 1934
6th Wettest Wettest since: 1973 1950
Oct 1978–Apr 1979
7-Month
23.67"
(601.22mm)
18.66"
(473.96mm)
5.01"
(127.26mm)
112th Driest Driest since: 1978 1934
13th Wettest Wettest since: 1974 1950
Sep 1978–Apr 1979
8-Month
26.52"
(673.61mm)
22.15"
(562.61mm)
4.37"
(111.00mm)
106th Driest Driest since: 1978 1940
19th Wettest Wettest since: 1974 1927
Aug 1978–Apr 1979
9-Month
29.75"
(755.65mm)
25.65"
(651.51mm)
4.10"
(104.14mm)
102nd Driest Driest since: 1978 1954
23rd Wettest Wettest since: 1974 1927
Jul 1978–Apr 1979
10-Month
34.43"
(874.52mm)
29.29"
(743.97mm)
5.14"
(130.55mm)
108th Driest Driest since: 1978 1931
17th Wettest Wettest since: 1974 1927
Ties: 1916
Jun 1978–Apr 1979
11-Month
37.51"
(952.75mm)
33.35"
(847.09mm)
4.16"
(105.66mm)
97th Driest Driest since: 1978 1934
28th Wettest Wettest since: 1974 1927
May 1978–Apr 1979
12-Month
42.37"
(1,076.20mm)
37.43"
(950.72mm)
4.94"
(125.48mm)
100th Driest Driest since: 1978 1931
25th Wettest Wettest since: 1975 2016
Nov 1977–Apr 1979
18-Month
56.19"
(1,427.23mm)
53.30"
(1,353.82mm)
2.89"
(73.41mm)
80th Driest Driest since: 1978 1902
44th Wettest Wettest since: 1976 1994
May 1977–Apr 1979
24-Month
82.61"
(2,098.29mm)
74.87"
(1,901.70mm)
7.74"
(196.59mm)
103rd Driest Driest since: 1978 1915
21st Wettest Wettest since: 1975 2010
May 1976–Apr 1979
36-Month
110.94"
(2,817.88mm)
112.27"
(2,851.66mm)
-1.33"
(-33.78mm)
48th Driest Driest since: 1978 1902
75th Wettest Wettest since: 1976 2011
May 1975–Apr 1979
48-Month
147.86"
(3,755.64mm)
149.64"
(3,800.86mm)
-1.78"
(-45.22mm)
47th Driest Driest since: 1968 1956
75th Wettest Wettest since: 1978 2011
May 1974–Apr 1979
60-Month
190.74"
(4,844.80mm)
187.06"
(4,751.32mm)
3.68"
(93.48mm)
67th Driest Driest since: 1971 1957
54th Wettest Wettest since: 1978 2011

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2019, retrieved on December 7, 2019 from https://www.ncdc.noaa.gov/cag/