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


Illinois

Precipitation Rankings, April 1977

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 1977
1-Month
2.00"
(50.80mm)
3.72"
(94.49mm)
-1.72"
(-43.69mm)
15th Driest Driest since: 1971 1971
111th Wettest Wettest since: 1976 2011
Mar–Apr 1977
2-Month
7.58"
(192.53mm)
6.81"
(172.97mm)
0.77"
(19.56mm)
86th Driest Driest since: 1976 1915
40th Wettest Wettest since: 1975 1973
Ties: 1961
Feb–Apr 1977
3-Month
9.00"
(228.60mm)
8.66"
(219.96mm)
0.34"
(8.64mm)
72nd Driest Driest since: 1971 1895
54th Wettest Wettest since: 1976 1945
Jan–Apr 1977
4-Month
10.13"
(257.30mm)
10.79"
(274.07mm)
-0.66"
(-16.77mm)
51st Driest Driest since: 1971 1895
75th Wettest Wettest since: 1976 1950
Dec 1976–Apr 1977
5-Month
10.57"
(268.48mm)
13.11"
(332.99mm)
-2.54"
(-64.51mm)
19th Driest Driest since: 1971 1934
106th Wettest Wettest since: 1976 1950
Nov 1976–Apr 1977
6-Month
11.18"
(283.97mm)
15.87"
(403.10mm)
-4.69"
(-119.13mm)
8th Driest Driest since: 1971 1934
117th Wettest Wettest since: 1976 1950
Oct 1976–Apr 1977
7-Month
14.36"
(364.74mm)
18.66"
(473.96mm)
-4.30"
(-109.22mm)
13th Driest Driest since: 1971 1934
112th Wettest Wettest since: 1976 1950
Sep 1976–Apr 1977
8-Month
16.60"
(421.64mm)
22.15"
(562.61mm)
-5.55"
(-140.97mm)
11th Driest Driest since: 1954 1940
114th Wettest Wettest since: 1976 1927
Aug 1976–Apr 1977
9-Month
18.48"
(469.39mm)
25.65"
(651.51mm)
-7.17"
(-182.12mm)
5th Driest Driest since: 1954 1954
120th Wettest Wettest since: 1976 1927
Jul 1976–Apr 1977
10-Month
21.85"
(554.99mm)
29.29"
(743.97mm)
-7.44"
(-188.98mm)
6th Driest Driest since: 1954 1931
119th Wettest Wettest since: 1976 1927
Jun 1976–Apr 1977
11-Month
24.76"
(628.90mm)
33.35"
(847.09mm)
-8.59"
(-218.19mm)
6th Driest Driest since: 1954 1934
119th Wettest Wettest since: 1976 1927
May 1976–Apr 1977
12-Month
28.33"
(719.58mm)
37.43"
(950.72mm)
-9.10"
(-231.14mm)
6th Driest Driest since: 1954 1931
119th Wettest Wettest since: 1976 2016
Nov 1975–Apr 1977
18-Month
44.18"
(1,122.17mm)
53.30"
(1,353.82mm)
-9.12"
(-231.65mm)
7th Driest Driest since: 1964 1902
117th Wettest Wettest since: 1976 1994
May 1975–Apr 1977
24-Month
65.25"
(1,657.35mm)
74.87"
(1,901.70mm)
-9.62"
(-244.35mm)
11th Driest Driest since: 1965 1915
113th Wettest Wettest since: 1976 2010
May 1974–Apr 1977
36-Month
108.13"
(2,746.50mm)
112.27"
(2,851.66mm)
-4.14"
(-105.16mm)
33rd Driest Driest since: 1967 1902
90th Wettest Wettest since: 1976 2011
May 1973–Apr 1977
48-Month
153.66"
(3,902.96mm)
149.64"
(3,800.86mm)
4.02"
(102.10mm)
73rd Driest Driest since: 1972 1956
49th Wettest Wettest since: 1976 2011
May 1972–Apr 1977
60-Month
199.64"
(5,070.86mm)
187.06"
(4,751.32mm)
12.58"
(319.54mm)
95th Driest Driest since: 1973 1957
26th Wettest Wettest since: 1976 2011

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published January 2020, retrieved on January 25, 2020 from https://www.ncdc.noaa.gov/cag/