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 1930

View Period (Months):
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
January 1930
1-Month
1.91"
(48.51mm)
1.32"
(33.53mm)
0.59"
(14.98mm)
98th Driest
Driest since:
1981
31st Wettest
Wettest since:
1916
Ties: 1936
Dec 1929–Jan 1930
2-Month
2.55"
(64.77mm)
2.82"
(71.63mm)
-0.27"
(-6.86mm)
57th Driest
Driest since:
1956
71st Wettest
Wettest since:
1907
Nov 1929–Jan 1930
3-Month
4.06"
(103.12mm)
4.93"
(125.22mm)
-0.87"
(-22.10mm)
51st Driest
Driest since:
1956
77th Wettest
Wettest since:
1993
Ties: 1978
Oct 1929–Jan 1930
4-Month
8.31"
(211.07mm)
7.56"
(192.02mm)
0.75"
(19.05mm)
83rd Driest
Driest since:
1951
45th Wettest
Wettest since:
1932
Sep 1929–Jan 1930
5-Month
11.99"
(304.55mm)
11.48"
(291.59mm)
0.51"
(12.96mm)
75th Driest
Driest since:
1951
53rd Wettest
Wettest since:
1962
Aug 1929–Jan 1930
6-Month
14.45"
(367.03mm)
15.23"
(386.84mm)
-0.78"
(-19.81mm)
54th Driest
Driest since:
1954
74th Wettest
Wettest since:
1971
Jul 1929–Jan 1930
7-Month
19.89"
(505.21mm)
19.21"
(487.93mm)
0.68"
(17.28mm)
78th Driest
Driest since:
1954
50th Wettest
Wettest since:
1903
Jun 1929–Jan 1930
8-Month
23.52"
(597.41mm)
23.76"
(603.50mm)
-0.24"
(-6.09mm)
69th Driest
Driest since:
1954
59th Wettest
Wettest since:
1903
May 1929–Jan 1930
9-Month
25.38"
(644.65mm)
27.81"
(706.37mm)
-2.43"
(-61.72mm)
45th Driest
Driest since:
1954
83rd Wettest
Wettest since:
2011
Apr 1929–Jan 1930
10-Month
31.78"
(807.21mm)
31.15"
(791.21mm)
0.63"
(16.00mm)
70th Driest
Driest since:
1954
58th Wettest
Wettest since:
2011
Mar 1929–Jan 1930
11-Month
34.33"
(871.98mm)
33.52"
(851.41mm)
0.81"
(20.57mm)
70th Driest
Driest since:
1902
58th Wettest
Wettest since:
2011
Feb 1929–Jan 1930
12-Month
35.33"
(897.38mm)
34.76"
(882.90mm)
0.57"
(14.48mm)
67th Driest
Driest since:
1902
61st Wettest
Wettest since:
2011
Aug 1928–Jan 1930
18-Month
57.99"
(1,472.95mm)
49.98"
(1,269.49mm)
8.01"
(203.46mm)
104th Driest
Driest since:
1957
23rd Wettest
Wettest since:
2011
Feb 1928–Jan 1930
24-Month
79.55"
(2,020.57mm)
69.50"
(1,765.30mm)
10.05"
(255.27mm)
111th Driest
Driest since:
1957
16th Wettest
Wettest since:
2011
Feb 1927–Jan 1930
36-Month
117.73"
(2,990.34mm)
104.12"
(2,644.65mm)
13.61"
(345.69mm)
106th Driest
Driest since:
1990
20th Wettest
Wettest since:
2011
Feb 1926–Jan 1930
48-Month
157.81"
(4,008.37mm)
138.65"
(3,521.71mm)
19.16"
(486.66mm)
115th Driest
Driest since:
1957
10th Wettest
Wettest since:
2011
Feb 1925–Jan 1930
60-Month
194.73"
(4,946.14mm)
173.26"
(4,400.80mm)
21.47"
(545.34mm)
109th Driest
Driest since:
1957
15th Wettest
Wettest since:
2012

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