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 2012

View Period (Months):
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
April 2012
1-Month
3.42"
(86.87mm)
3.34"
(84.84mm)
0.08"
(2.03mm)
68th Driest
Driest since:
2018
61st Wettest
Wettest since:
1973
Mar–Apr 2012
2-Month
5.20"
(132.08mm)
5.70"
(144.78mm)
-0.50"
(-12.70mm)
53rd Driest
Driest since:
1915
76th Wettest
Wettest since:
1973
Feb–Apr 2012
3-Month
6.92"
(175.77mm)
6.92"
(175.77mm)
0.00"
(0.00mm)
59th Driest
Driest since:
1958
70th Wettest
Wettest since:
1973
Ties: 1977, 1978
Jan–Apr 2012
4-Month
7.42"
(188.47mm)
8.25"
(209.55mm)
-0.83"
(-21.08mm)
47th Driest
Driest since:
1956
82nd Wettest
Wettest since:
1973
Dec 2011–Apr 2012
5-Month
10.43"
(264.92mm)
9.74"
(247.40mm)
0.69"
(17.52mm)
73rd Driest
Driest since:
1956
55th Wettest
Wettest since:
1973
Nov 2011–Apr 2012
6-Month
14.71"
(373.63mm)
11.86"
(301.24mm)
2.85"
(72.39mm)
105th Driest
Driest since:
1956
23rd Wettest
Wettest since:
1973
Oct 2011–Apr 2012
7-Month
15.67"
(398.02mm)
14.49"
(368.05mm)
1.18"
(29.97mm)
80th Driest
Driest since:
1956
48th Wettest
Wettest since:
1929
Ties: 1948, 1967
Sep 2011–Apr 2012
8-Month
17.26"
(438.40mm)
18.41"
(467.61mm)
-1.15"
(-29.21mm)
52nd Driest
Driest since:
1956
76th Wettest
Wettest since:
1927
Aug 2011–Apr 2012
9-Month
18.73"
(475.74mm)
22.15"
(562.61mm)
-3.42"
(-86.87mm)
27th Driest
Driest since:
1956
101st Wettest
Wettest since:
2019
Jul 2011–Apr 2012
10-Month
20.07"
(509.78mm)
26.13"
(663.70mm)
-6.06"
(-153.92mm)
15th Driest
Driest since:
1902
113th Wettest
Wettest since:
1993
Jun 2011–Apr 2012
11-Month
30.15"
(765.81mm)
30.68"
(779.27mm)
-0.53"
(-13.46mm)
59th Driest
Driest since:
1902
69th Wettest
Wettest since:
1903
May 2011–Apr 2012
12-Month
35.91"
(912.11mm)
34.74"
(882.40mm)
1.17"
(29.71mm)
70th Driest
Driest since:
1902
58th Wettest
Wettest since:
2011
Nov 2010–Apr 2012
18-Month
46.48"
(1,180.59mm)
46.62"
(1,184.15mm)
-0.14"
(-3.56mm)
58th Driest
Driest since:
1902
69th Wettest
Wettest since:
2011
Ties: 2021
May 2010–Apr 2012
24-Month
88.97"
(2,259.84mm)
69.50"
(1,765.30mm)
19.47"
(494.54mm)
122nd Driest
Driest since:
1957
5th Wettest
Wettest since:
2011
May 2009–Apr 2012
36-Month
138.37"
(3,514.60mm)
104.16"
(2,645.66mm)
34.21"
(868.94mm)
123rd Driest
Driest since:
1958
3rd Wettest
Wettest since:
2011
May 2008–Apr 2012
48-Month
185.81"
(4,719.57mm)
138.69"
(3,522.73mm)
47.12"
(1,196.84mm)
123rd Driest
Driest since:
1957
2nd Wettest
Wettest since:
2011
May 2007–Apr 2012
60-Month
230.56"
(5,856.22mm)
173.27"
(4,401.06mm)
57.29"
(1,455.16mm)
123rd Driest
Driest since:
1958
1st Wettest
Wettest to Date
2012

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