Divisional Rankings

Divisional Data Info
Please note, Degree Days and Palmer Indices are not available for Alaska. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Iowa, Climate Division 9. Southeast

Precipitation Rankings, January 1980

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2023)
Wettest/Driest
Since
Record
January 1980
1-Month
1.28"
(32.51mm)
1.32"
(33.53mm)
-0.04"
(-1.02mm)
79th Driest
Driest since:
1981
51st Wettest
Wettest since:
1916
Dec 1979–Jan 1980
2-Month
2.32"
(58.93mm)
2.82"
(71.63mm)
-0.50"
(-12.70mm)
49th Driest
Driest since:
1956
80th Wettest
Wettest since:
1907
Nov 1979–Jan 1980
3-Month
4.23"
(107.44mm)
4.93"
(125.22mm)
-0.70"
(-17.78mm)
54th Driest
Driest since:
1956
75th Wettest
Wettest since:
1993
Oct 1979–Jan 1980
4-Month
7.55"
(191.77mm)
7.56"
(192.02mm)
-0.01"
(-0.25mm)
66th Driest
Driest since:
1951
63rd Wettest
Wettest since:
1932
Sep 1979–Jan 1980
5-Month
7.85"
(199.39mm)
11.48"
(291.59mm)
-3.63"
(-92.20mm)
21st Driest
Driest since:
1951
108th Wettest
Wettest since:
1962
Aug 1979–Jan 1980
6-Month
12.54"
(318.52mm)
15.23"
(386.84mm)
-2.69"
(-68.32mm)
36th Driest
Driest since:
1954
93rd Wettest
Wettest since:
1971
Jul 1979–Jan 1980
7-Month
16.69"
(423.93mm)
19.21"
(487.93mm)
-2.52"
(-64.00mm)
40th Driest
Driest since:
1954
89th Wettest
Wettest since:
1903
Jun 1979–Jan 1980
8-Month
20.25"
(514.35mm)
23.76"
(603.50mm)
-3.51"
(-89.15mm)
33rd Driest
Driest since:
1954
96th Wettest
Wettest since:
1903
May 1979–Jan 1980
9-Month
23.00"
(584.20mm)
27.81"
(706.37mm)
-4.81"
(-122.17mm)
28th Driest
Driest since:
1954
101st Wettest
Wettest since:
2011
Ties: 1905
Apr 1979–Jan 1980
10-Month
26.65"
(676.91mm)
31.15"
(791.21mm)
-4.50"
(-114.30mm)
32nd Driest
Driest since:
1954
97th Wettest
Wettest since:
2011
Mar 1979–Jan 1980
11-Month
30.61"
(777.49mm)
33.52"
(851.41mm)
-2.91"
(-73.92mm)
47th Driest
Driest since:
1902
82nd Wettest
Wettest since:
2011
Feb 1979–Jan 1980
12-Month
31.30"
(795.02mm)
34.76"
(882.90mm)
-3.46"
(-87.88mm)
43rd Driest
Driest since:
1902
86th Wettest
Wettest since:
2011
Aug 1978–Jan 1980
18-Month
49.38"
(1,254.25mm)
49.98"
(1,269.49mm)
-0.60"
(-15.24mm)
64th Driest
Driest since:
1957
64th Wettest
Wettest since:
2011
Feb 1978–Jan 1980
24-Month
72.26"
(1,835.40mm)
69.50"
(1,765.30mm)
2.76"
(70.10mm)
78th Driest
Driest since:
1957
50th Wettest
Wettest since:
2011
Feb 1977–Jan 1980
36-Month
109.84"
(2,789.94mm)
104.12"
(2,644.65mm)
5.72"
(145.29mm)
87th Driest
Driest since:
1990
40th Wettest
Wettest since:
2011
Feb 1976–Jan 1980
48-Month
139.76"
(3,549.90mm)
138.65"
(3,521.71mm)
1.11"
(28.19mm)
64th Driest
Driest since:
1957
62nd Wettest
Wettest since:
2011
Feb 1975–Jan 1980
60-Month
168.50"
(4,279.90mm)
173.26"
(4,400.80mm)
-4.76"
(-120.90mm)
45th Driest
Driest since:
1957
80th Wettest
Wettest since:
2012

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