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 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
May 1977
1-Month
3.23"
(82.04mm)
4.08"
(103.63mm)
-0.85"
(-21.59mm)
38th Driest Driest since: 1972 1934
88th Wettest Wettest since: 1976 1995
Apr–May 1977
2-Month
5.23"
(132.84mm)
7.80"
(198.12mm)
-2.57"
(-65.28mm)
16th Driest Driest since: 1971 1934
110th Wettest Wettest since: 1976 1927
Mar–May 1977
3-Month
10.81"
(274.57mm)
10.89"
(276.61mm)
-0.08"
(-2.04mm)
64th Driest Driest since: 1976 1934
62nd Wettest Wettest since: 1975 1927
Feb–May 1977
4-Month
12.23"
(310.64mm)
12.75"
(323.85mm)
-0.52"
(-13.21mm)
53rd Driest Driest since: 1972 1934
73rd Wettest Wettest since: 1976 2019
Jan–May 1977
5-Month
13.36"
(339.34mm)
14.87"
(377.70mm)
-1.51"
(-38.36mm)
40th Driest Driest since: 1972 1934
86th Wettest Wettest since: 1976 2019
Dec 1976–May 1977
6-Month
13.80"
(350.52mm)
17.20"
(436.88mm)
-3.40"
(-86.36mm)
20th Driest Driest since: 1971 1934
105th Wettest Wettest since: 1976 2019
Nov 1976–May 1977
7-Month
14.41"
(366.01mm)
19.95"
(506.73mm)
-5.54"
(-140.72mm)
7th Driest Driest since: 1971 1934
118th Wettest Wettest since: 1976 2019
Oct 1976–May 1977
8-Month
17.59"
(446.79mm)
22.74"
(577.60mm)
-5.15"
(-130.81mm)
10th Driest Driest since: 1971 1934
115th Wettest Wettest since: 1976 2019
Sep 1976–May 1977
9-Month
19.83"
(503.68mm)
26.24"
(666.50mm)
-6.41"
(-162.82mm)
8th Driest Driest since: 1954 1934
117th Wettest Wettest since: 1976 1927
Aug 1976–May 1977
10-Month
21.71"
(551.43mm)
29.74"
(755.40mm)
-8.03"
(-203.97mm)
3rd Driest Driest since: 1954 1934
122nd Wettest Wettest since: 1976 1927
Jul 1976–May 1977
11-Month
25.08"
(637.03mm)
33.37"
(847.60mm)
-8.29"
(-210.57mm)
6th Driest Driest since: 1954 1934
119th Wettest Wettest since: 1976 1927
Jun 1976–May 1977
12-Month
27.99"
(710.95mm)
37.43"
(950.72mm)
-9.44"
(-239.77mm)
5th Driest Driest since: 1954 1934
120th Wettest Wettest since: 1976 1927
Dec 1975–May 1977
18-Month
44.41"
(1,128.01mm)
54.62"
(1,387.35mm)
-10.21"
(-259.34mm)
7th Driest Driest since: 1964 1902
117th Wettest Wettest since: 1976 2009
Jun 1975–May 1977
24-Month
64.39"
(1,635.51mm)
74.85"
(1,901.19mm)
-10.46"
(-265.68mm)
11th Driest Driest since: 1965 1941
113th Wettest Wettest since: 1976 1974
Jun 1974–May 1977
36-Month
104.35"
(2,650.49mm)
112.24"
(2,850.90mm)
-7.89"
(-200.41mm)
20th Driest Driest since: 1965 1902
103rd Wettest Wettest since: 1976 2011
Jun 1973–May 1977
48-Month
151.97"
(3,860.04mm)
149.63"
(3,800.60mm)
2.34"
(59.44mm)
66th Driest Driest since: 1972 1956
56th Wettest Wettest since: 1976 2011
Jun 1972–May 1977
60-Month
200.37"
(5,089.40mm)
187.07"
(4,751.58mm)
13.30"
(337.82mm)
96th Driest Driest since: 1973 1934
25th Wettest Wettest since: 1976 2011

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2019, retrieved on November 18, 2019 from https://www.ncdc.noaa.gov/cag/