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


Illinois

Precipitation Rankings, April 1971

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
April 1971
1-Month
1.29"
(32.77mm)
3.72"
(94.49mm)
-2.43"
(-61.72mm)
1st Driest Driest to Date 1971
125th Wettest Wettest since: 1970 2011
Mar–Apr 1971
2-Month
2.79"
(70.87mm)
6.81"
(172.97mm)
-4.02"
(-102.10mm)
2nd Driest Driest since: 1915 1915
124th Wettest Wettest since: 1970 1973
Feb–Apr 1971
3-Month
5.73"
(145.54mm)
8.66"
(219.96mm)
-2.93"
(-74.42mm)
9th Driest Driest since: 1958 1895
117th Wettest Wettest since: 1970 1945
Jan–Apr 1971
4-Month
7.08"
(179.83mm)
10.79"
(274.07mm)
-3.71"
(-94.24mm)
7th Driest Driest since: 1958 1895
119th Wettest Wettest since: 1970 1950
Dec 1970–Apr 1971
5-Month
8.51"
(216.15mm)
13.11"
(332.99mm)
-4.60"
(-116.84mm)
5th Driest Driest since: 1936 1934
120th Wettest Wettest since: 1970 1950
Nov 1970–Apr 1971
6-Month
10.07"
(255.78mm)
15.87"
(403.10mm)
-5.80"
(-147.32mm)
4th Driest Driest since: 1934 1934
121st Wettest Wettest since: 1970 1950
Oct 1970–Apr 1971
7-Month
13.42"
(340.87mm)
18.66"
(473.96mm)
-5.24"
(-133.09mm)
6th Driest Driest since: 1934 1934
119th Wettest Wettest since: 1970 1950
Sep 1970–Apr 1971
8-Month
21.05"
(534.67mm)
22.15"
(562.61mm)
-1.10"
(-27.94mm)
43rd Driest Driest since: 1965 1940
82nd Wettest Wettest since: 1970 1927
Ties: 1965
Aug 1970–Apr 1971
9-Month
24.66"
(626.36mm)
25.65"
(651.51mm)
-0.99"
(-25.15mm)
51st Driest Driest since: 1970 1954
74th Wettest Wettest since: 1969 1927
Jul 1970–Apr 1971
10-Month
27.76"
(705.10mm)
29.29"
(743.97mm)
-1.53"
(-38.87mm)
41st Driest Driest since: 1967 1931
84th Wettest Wettest since: 1970 1927
Jun 1970–Apr 1971
11-Month
33.53"
(851.66mm)
33.35"
(847.09mm)
0.18"
(4.57mm)
59th Driest Driest since: 1967 1934
66th Wettest Wettest since: 1970 1927
May 1970–Apr 1971
12-Month
38.88"
(987.55mm)
37.43"
(950.72mm)
1.45"
(36.83mm)
71st Driest Driest since: 1969 1931
54th Wettest Wettest since: 1970 2016
Nov 1969–Apr 1971
18-Month
52.16"
(1,324.86mm)
53.30"
(1,353.82mm)
-1.14"
(-28.96mm)
49th Driest Driest since: 1967 1902
75th Wettest Wettest since: 1970 1994
May 1969–Apr 1971
24-Month
78.54"
(1,994.92mm)
74.87"
(1,901.70mm)
3.67"
(93.22mm)
82nd Driest Driest since: 1970 1915
42nd Wettest Wettest since: 1951 2010
Ties: 1939
May 1968–Apr 1971
36-Month
117.21"
(2,977.13mm)
112.27"
(2,851.66mm)
4.94"
(125.47mm)
87th Driest Driest since: 1970 1902
36th Wettest Wettest since: 1952 2011
May 1967–Apr 1971
48-Month
155.62"
(3,952.75mm)
149.64"
(3,800.86mm)
5.98"
(151.89mm)
80th Driest Driest since: 1970 1956
42nd Wettest Wettest since: 1953 2011
May 1966–Apr 1971
60-Month
190.22"
(4,831.59mm)
187.06"
(4,751.32mm)
3.16"
(80.27mm)
64th Driest Driest since: 1969 1957
57th Wettest Wettest since: 1970 2011

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published December 2019, retrieved on December 12, 2019 from https://www.ncdc.noaa.gov/cag/