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, December 1978

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
December 1978
1-Month
3.17"
(80.52mm)
2.33"
(59.18mm)
0.84"
(21.34mm)
101st Driest Driest since: 1977 1976
25th Wettest Wettest since: 1973 1982
Nov–Dec 1978
2-Month
6.55"
(166.37mm)
5.09"
(129.29mm)
1.46"
(37.08mm)
96th Driest Driest since: 1977 1976
30th Wettest Wettest since: 1973 2015
Oct–Dec 1978
3-Month
8.45"
(214.63mm)
7.88"
(200.15mm)
0.57"
(14.48mm)
76th Driest Driest since: 1976 1904
50th Wettest Wettest since: 1977 1985
Sep–Dec 1978
4-Month
11.30"
(287.02mm)
11.37"
(288.80mm)
-0.07"
(-1.78mm)
63rd Driest Driest since: 1976 1939
63rd Wettest Wettest since: 1977 1926
Aug–Dec 1978
5-Month
14.53"
(369.06mm)
14.87"
(377.70mm)
-0.34"
(-8.64mm)
56th Driest Driest since: 1976 1953
70th Wettest Wettest since: 1977 1926
Jul–Dec 1978
6-Month
19.21"
(487.93mm)
18.51"
(470.15mm)
0.70"
(17.78mm)
68th Driest Driest since: 1976 1953
58th Wettest Wettest since: 1977 1993
Jun–Dec 1978
7-Month
22.29"
(566.17mm)
22.59"
(573.79mm)
-0.30"
(-7.62mm)
54th Driest Driest since: 1976 1953
72nd Wettest Wettest since: 1977 2015
May–Dec 1978
8-Month
27.15"
(689.61mm)
26.68"
(677.67mm)
0.47"
(11.94mm)
60th Driest Driest since: 1976 1953
66th Wettest Wettest since: 1977 2015
Apr–Dec 1978
9-Month
30.82"
(782.83mm)
30.39"
(771.91mm)
0.43"
(10.92mm)
61st Driest Driest since: 1976 1901
65th Wettest Wettest since: 1977 2015
Mar–Dec 1978
10-Month
33.83"
(859.28mm)
33.48"
(850.39mm)
0.35"
(8.89mm)
63rd Driest Driest since: 1976 1930
63rd Wettest Wettest since: 1977 2009
Feb–Dec 1978
11-Month
34.50"
(876.30mm)
35.34"
(897.64mm)
-0.84"
(-21.34mm)
54th Driest Driest since: 1976 1930
72nd Wettest Wettest since: 1977 2009
Jan–Dec 1978
12-Month
35.72"
(907.29mm)
37.47"
(951.74mm)
-1.75"
(-44.45mm)
46th Driest Driest since: 1976 1901
80th Wettest Wettest since: 1977 1993
Jul 1977–Dec 1978
18-Month
60.47"
(1,535.94mm)
55.97"
(1,421.64mm)
4.50"
(114.30mm)
94th Driest Driest since: 1977 1953
31st Wettest Wettest since: 1974 1927
Jan 1977–Dec 1978
24-Month
77.52"
(1,969.01mm)
74.89"
(1,902.21mm)
2.63"
(66.80mm)
79th Driest Driest since: 1977 1964
46th Wettest Wettest since: 1975 2009
Jan 1976–Dec 1978
36-Month
106.06"
(2,693.92mm)
112.28"
(2,851.91mm)
-6.22"
(-157.99mm)
23rd Driest Driest since: 1965 1964
101st Wettest Wettest since: 1977 2010
Jan 1975–Dec 1978
48-Month
146.81"
(3,728.97mm)
149.70"
(3,802.38mm)
-2.89"
(-73.41mm)
41st Driest Driest since: 1966 1956
82nd Wettest Wettest since: 1977 2011
Jan 1974–Dec 1978
60-Month
188.47"
(4,787.14mm)
187.12"
(4,752.85mm)
1.35"
(34.29mm)
63rd Driest Driest since: 1968 1956
59th Wettest Wettest since: 1977 2011

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published January 2020, retrieved on January 27, 2020 from https://www.ncdc.noaa.gov/cag/