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, May 1949

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
May 1949
1-Month
2.70"
(68.58mm)
4.08"
(103.63mm)
-1.38"
(-35.05mm)
27th Driest Driest since: 1939 1934
99th Wettest Wettest since: 1948 1995
Apr–May 1949
2-Month
4.45"
(113.03mm)
7.80"
(198.12mm)
-3.35"
(-85.09mm)
9th Driest Driest since: 1934 1934
117th Wettest Wettest since: 1948 1927
Mar–May 1949
3-Month
7.63"
(193.80mm)
10.89"
(276.61mm)
-3.26"
(-82.81mm)
16th Driest Driest since: 1936 1934
110th Wettest Wettest since: 1948 1927
Feb–May 1949
4-Month
10.16"
(258.06mm)
12.75"
(323.85mm)
-2.59"
(-65.79mm)
22nd Driest Driest since: 1941 1934
104th Wettest Wettest since: 1948 2019
Jan–May 1949
5-Month
16.11"
(409.19mm)
14.87"
(377.70mm)
1.24"
(31.49mm)
82nd Driest Driest since: 1948 1934
44th Wettest Wettest since: 1945 2019
Dec 1948–May 1949
6-Month
18.75"
(476.25mm)
17.20"
(436.88mm)
1.55"
(39.37mm)
84th Driest Driest since: 1948 1934
41st Wettest Wettest since: 1945 2019
Nov 1948–May 1949
7-Month
22.04"
(559.82mm)
19.95"
(506.73mm)
2.09"
(53.09mm)
87th Driest Driest since: 1948 1934
38th Wettest Wettest since: 1947 2019
Oct 1948–May 1949
8-Month
24.01"
(609.85mm)
22.74"
(577.60mm)
1.27"
(32.25mm)
78th Driest Driest since: 1948 1934
47th Wettest Wettest since: 1947 2019
Sep 1948–May 1949
9-Month
26.82"
(681.23mm)
26.24"
(666.50mm)
0.58"
(14.73mm)
69th Driest Driest since: 1948 1934
56th Wettest Wettest since: 1947 1927
Aug 1948–May 1949
10-Month
28.60"
(726.44mm)
29.74"
(755.40mm)
-1.14"
(-28.96mm)
50th Driest Driest since: 1948 1934
75th Wettest Wettest since: 1947 1927
Jul 1948–May 1949
11-Month
34.27"
(870.46mm)
33.37"
(847.60mm)
0.90"
(22.86mm)
68th Driest Driest since: 1948 1934
57th Wettest Wettest since: 1947 1927
Jun 1948–May 1949
12-Month
38.25"
(971.55mm)
37.43"
(950.72mm)
0.82"
(20.83mm)
67th Driest Driest since: 1948 1934
58th Wettest Wettest since: 1947 1927
Dec 1947–May 1949
18-Month
54.91"
(1,394.71mm)
54.62"
(1,387.35mm)
0.29"
(7.36mm)
54th Driest Driest since: 1948 1902
70th Wettest Wettest since: 1947 2009
Jun 1947–May 1949
24-Month
74.61"
(1,895.09mm)
74.85"
(1,901.19mm)
-0.24"
(-6.10mm)
56th Driest Driest since: 1945 1941
68th Wettest Wettest since: 1948 1974
Jun 1946–May 1949
36-Month
114.46"
(2,907.28mm)
112.24"
(2,850.90mm)
2.22"
(56.38mm)
68th Driest Driest since: 1946 1902
55th Wettest Wettest since: 1948 2011
Jun 1945–May 1949
48-Month
154.92"
(3,934.97mm)
149.63"
(3,800.60mm)
5.29"
(134.37mm)
78th Driest Driest since: 1948 1956
44th Wettest Wettest since: 1946 2011
Jun 1944–May 1949
60-Month
191.09"
(4,853.69mm)
187.07"
(4,751.58mm)
4.02"
(102.11mm)
71st Driest Driest since: 1948 1934
50th Wettest Wettest since: 1947 2011

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2019, retrieved on November 13, 2019 from https://www.ncdc.noaa.gov/cag/