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 1966

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 1966
1-Month
4.51"
(114.55mm)
4.08"
(103.63mm)
0.43"
(10.92mm)
78th Driest Driest since: 1965 1934
48th Wettest Wettest since: 1962 1995
Apr–May 1966
2-Month
9.83"
(249.68mm)
7.80"
(198.12mm)
2.03"
(51.56mm)
98th Driest Driest since: 1965 1934
28th Wettest Wettest since: 1957 1927
Mar–May 1966
3-Month
11.43"
(290.32mm)
10.89"
(276.61mm)
0.54"
(13.71mm)
76th Driest Driest since: 1965 1934
50th Wettest Wettest since: 1964 1927
Feb–May 1966
4-Month
13.60"
(345.44mm)
12.75"
(323.85mm)
0.85"
(21.59mm)
82nd Driest Driest since: 1965 1934
44th Wettest Wettest since: 1964 2019
Jan–May 1966
5-Month
15.00"
(381.00mm)
14.87"
(377.70mm)
0.13"
(3.30mm)
68th Driest Driest since: 1963 1934
58th Wettest Wettest since: 1965 2019
Dec 1965–May 1966
6-Month
17.88"
(454.15mm)
17.20"
(436.88mm)
0.68"
(17.27mm)
74th Driest Driest since: 1964 1934
51st Wettest Wettest since: 1965 2019
Nov 1965–May 1966
7-Month
19.04"
(483.62mm)
19.95"
(506.73mm)
-0.91"
(-23.11mm)
49th Driest Driest since: 1964 1934
76th Wettest Wettest since: 1965 2019
Oct 1965–May 1966
8-Month
20.45"
(519.43mm)
22.74"
(577.60mm)
-2.29"
(-58.17mm)
30th Driest Driest since: 1964 1934
95th Wettest Wettest since: 1965 2019
Sep 1965–May 1966
9-Month
27.25"
(692.15mm)
26.24"
(666.50mm)
1.01"
(25.65mm)
74th Driest Driest since: 1965 1934
51st Wettest Wettest since: 1962 1927
Aug 1965–May 1966
10-Month
33.32"
(846.33mm)
29.74"
(755.40mm)
3.58"
(90.93mm)
93rd Driest Driest since: 1965 1934
32nd Wettest Wettest since: 1962 1927
Jul 1965–May 1966
11-Month
36.78"
(934.21mm)
33.37"
(847.60mm)
3.41"
(86.61mm)
90th Driest Driest since: 1965 1934
35th Wettest Wettest since: 1962 1927
Jun 1965–May 1966
12-Month
40.62"
(1,031.75mm)
37.43"
(950.72mm)
3.19"
(81.03mm)
85th Driest Driest since: 1965 1934
40th Wettest Wettest since: 1962 1927
Dec 1964–May 1966
18-Month
58.55"
(1,487.17mm)
54.62"
(1,387.35mm)
3.93"
(99.82mm)
83rd Driest Driest since: 1965 1902
41st Wettest Wettest since: 1962 2009
Jun 1964–May 1966
24-Month
73.83"
(1,875.28mm)
74.85"
(1,901.19mm)
-1.02"
(-25.91mm)
50th Driest Driest since: 1965 1941
74th Wettest Wettest since: 1962 1974
Jun 1963–May 1966
36-Month
104.44"
(2,652.78mm)
112.24"
(2,850.90mm)
-7.80"
(-198.12mm)
22nd Driest Driest since: 1965 1902
101st Wettest Wettest since: 1963 2011
Jun 1962–May 1966
48-Month
135.26"
(3,435.60mm)
149.63"
(3,800.60mm)
-14.37"
(-365.00mm)
6th Driest Driest since: 1957 1956
116th Wettest Wettest since: 1965 2011
Jun 1961–May 1966
60-Month
178.05"
(4,522.47mm)
187.07"
(4,751.58mm)
-9.02"
(-229.11mm)
25th Driest Driest since: 1965 1934
96th Wettest Wettest since: 1963 2011

Citing This Page

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