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, October 1987

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
October 1987
1-Month
1.30"
(33.02mm)
2.79"
(70.87mm)
-1.49"
(-37.85mm)
16th Driest Driest since: 1968 1964
110th Wettest Wettest since: 1986 1941
Sep–Oct 1987
2-Month
3.41"
(86.61mm)
6.29"
(159.77mm)
-2.88"
(-73.16mm)
11th Driest Driest since: 1979 1897
115th Wettest Wettest since: 1986 1941
Aug–Oct 1987
3-Month
8.75"
(222.25mm)
9.78"
(248.41mm)
-1.03"
(-26.16mm)
50th Driest Driest since: 1982 1897
76th Wettest Wettest since: 1986 1926
Ties: 1982
Jul–Oct 1987
4-Month
13.12"
(333.25mm)
13.42"
(340.87mm)
-0.30"
(-7.62mm)
57th Driest Driest since: 1983 1897
69th Wettest Wettest since: 1986 1993
Jun–Oct 1987
5-Month
16.45"
(417.83mm)
17.50"
(444.50mm)
-1.05"
(-26.67mm)
46th Driest Driest since: 1983 1908
80th Wettest Wettest since: 1986 1993
May–Oct 1987
6-Month
19.05"
(483.87mm)
21.59"
(548.39mm)
-2.54"
(-64.52mm)
30th Driest Driest since: 1979 1897
96th Wettest Wettest since: 1986 1993
Apr–Oct 1987
7-Month
21.57"
(547.88mm)
25.30"
(642.62mm)
-3.73"
(-94.74mm)
24th Driest Driest since: 1976 1988
102nd Wettest Wettest since: 1986 2009
Mar–Oct 1987
8-Month
23.65"
(600.71mm)
28.39"
(721.11mm)
-4.74"
(-120.40mm)
16th Driest Driest since: 1971 1988
110th Wettest Wettest since: 1986 2009
Feb–Oct 1987
9-Month
24.45"
(621.03mm)
30.25"
(768.35mm)
-5.80"
(-147.32mm)
13th Driest Driest since: 1971 1988
113th Wettest Wettest since: 1986 2009
Jan–Oct 1987
10-Month
25.88"
(657.35mm)
32.38"
(822.45mm)
-6.50"
(-165.10mm)
13th Driest Driest since: 1971 1901
113th Wettest Wettest since: 1986 2019
Dec 1986–Oct 1987
11-Month
27.53"
(699.26mm)
34.70"
(881.38mm)
-7.17"
(-182.12mm)
12th Driest Driest since: 1971 1901
113th Wettest Wettest since: 1986 2019
Nov 1986–Oct 1987
12-Month
29.34"
(745.24mm)
37.45"
(951.23mm)
-8.11"
(-205.99mm)
8th Driest Driest since: 1971 1901
117th Wettest Wettest since: 1986 1993
May 1986–Oct 1987
18-Month
57.02"
(1,448.31mm)
59.01"
(1,498.85mm)
-1.99"
(-50.54mm)
38th Driest Driest since: 1980 1940
87th Wettest Wettest since: 1986 2009
Nov 1985–Oct 1987
24-Month
74.69"
(1,897.13mm)
74.88"
(1,901.95mm)
-0.19"
(-4.82mm)
57th Driest Driest since: 1979 1964
67th Wettest Wettest since: 1986 2009
Nov 1984–Oct 1987
36-Month
116.94"
(2,970.28mm)
112.27"
(2,851.66mm)
4.67"
(118.62mm)
80th Driest Driest since: 1982 1901
43rd Wettest Wettest since: 1986 2010
Nov 1983–Oct 1987
48-Month
159.23"
(4,044.44mm)
149.71"
(3,802.63mm)
9.52"
(241.81mm)
92nd Driest Driest since: 1982 1956
30th Wettest Wettest since: 1986 2011
Nov 1982–Oct 1987
60-Month
202.90"
(5,153.66mm)
187.11"
(4,752.59mm)
15.79"
(401.07mm)
101st Driest Driest since: 1984 1956
20th Wettest Wettest since: 1986 2011

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published December 2019, retrieved on December 11, 2019 from https://www.ncdc.noaa.gov/cag/