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, April 1973

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
April 1973
1-Month
7.73"
(196.34mm)
3.34"
(84.84mm)
4.39"
(111.50mm)
128th Driest
Driest since:
2018
1st Wettest
Wettest to Date
1973
Mar–Apr 1973
2-Month
12.36"
(313.94mm)
5.70"
(144.78mm)
6.66"
(169.16mm)
128th Driest
Driest since:
1915
1st Wettest
Wettest to Date
1973
Feb–Apr 1973
3-Month
13.61"
(345.69mm)
6.92"
(175.77mm)
6.69"
(169.92mm)
128th Driest
Driest since:
1958
1st Wettest
Wettest to Date
1973
Jan–Apr 1973
4-Month
16.12"
(409.45mm)
8.25"
(209.55mm)
7.87"
(199.90mm)
128th Driest
Driest since:
1956
1st Wettest
Wettest to Date
1973
Dec 1972–Apr 1973
5-Month
17.72"
(450.09mm)
9.74"
(247.40mm)
7.98"
(202.69mm)
127th Driest
Driest since:
1956
1st Wettest
Wettest to Date
1973
Nov 1972–Apr 1973
6-Month
20.41"
(518.41mm)
11.86"
(301.24mm)
8.55"
(217.17mm)
127th Driest
Driest since:
1956
1st Wettest
Wettest to Date
1973
Oct 1972–Apr 1973
7-Month
22.70"
(576.58mm)
14.49"
(368.05mm)
8.21"
(208.53mm)
126th Driest
Driest since:
1956
2nd Wettest
Wettest since:
1929
Sep 1972–Apr 1973
8-Month
26.34"
(669.04mm)
18.41"
(467.61mm)
7.93"
(201.43mm)
123rd Driest
Driest since:
1956
5th Wettest
Wettest since:
1927
Aug 1972–Apr 1973
9-Month
30.23"
(767.84mm)
22.15"
(562.61mm)
8.08"
(205.23mm)
121st Driest
Driest since:
1956
7th Wettest
Wettest since:
2019
Jul 1972–Apr 1973
10-Month
34.22"
(869.19mm)
26.13"
(663.70mm)
8.09"
(205.49mm)
117th Driest
Driest since:
1902
11th Wettest
Wettest since:
1993
Jun 1972–Apr 1973
11-Month
38.70"
(982.98mm)
30.68"
(779.27mm)
8.02"
(203.71mm)
114th Driest
Driest since:
1902
14th Wettest
Wettest since:
1903
May 1972–Apr 1973
12-Month
42.62"
(1,082.55mm)
34.74"
(882.40mm)
7.88"
(200.15mm)
111th Driest
Driest since:
1902
17th Wettest
Wettest since:
2011
Nov 1971–Apr 1973
18-Month
57.36"
(1,456.94mm)
46.62"
(1,184.15mm)
10.74"
(272.79mm)
115th Driest
Driest since:
1902
12th Wettest
Wettest since:
2011
May 1971–Apr 1973
24-Month
75.42"
(1,915.67mm)
69.50"
(1,765.30mm)
5.92"
(150.37mm)
91st Driest
Driest since:
1957
36th Wettest
Wettest since:
2011
May 1970–Apr 1973
36-Month
117.23"
(2,977.64mm)
104.16"
(2,645.66mm)
13.07"
(331.98mm)
107th Driest
Driest since:
1958
19th Wettest
Wettest since:
2011
May 1969–Apr 1973
48-Month
153.57"
(3,900.68mm)
138.69"
(3,522.73mm)
14.88"
(377.95mm)
103rd Driest
Driest since:
1957
22nd Wettest
Wettest since:
2011
May 1968–Apr 1973
60-Month
185.07"
(4,700.78mm)
173.27"
(4,401.06mm)
11.80"
(299.72mm)
88th Driest
Driest since:
1958
36th Wettest
Wettest since:
2012

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