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 2011

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  • Record Wettest
PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Wettest/Driest
Since		Record
April 2011
1-Month		3.72"
(94.49mm)		3.34"
(84.84mm)		0.38"
(9.65mm)		80th Driest
Driest since:
2018
49th Wettest
Wettest since:
1973
Mar–Apr 2011
2-Month		5.47"
(138.94mm)		5.70"
(144.78mm)		-0.23"
(-5.84mm)		62nd Driest
Driest since:
1915
67th Wettest
Wettest since:
1973
Feb–Apr 2011
3-Month		7.44"
(188.98mm)		6.92"
(175.77mm)		0.52"
(13.21mm)		77th Driest
Driest since:
1958
52nd Wettest
Wettest since:
1973
Jan–Apr 2011
4-Month		8.36"
(212.34mm)		8.25"
(209.55mm)		0.11"
(2.79mm)		67th Driest
Driest since:
1956
62nd Wettest
Wettest since:
1973
Dec 2010–Apr 2011
5-Month		9.26"
(235.20mm)		9.74"
(247.40mm)		-0.48"
(-12.20mm)		53rd Driest
Driest since:
1956
75th Wettest
Wettest since:
1973
Nov 2010–Apr 2011
6-Month		10.57"
(268.48mm)		11.86"
(301.24mm)		-1.29"
(-32.76mm)		41st Driest
Driest since:
1956
87th Wettest
Wettest since:
1973
Oct 2010–Apr 2011
7-Month		11.82"
(300.23mm)		14.49"
(368.05mm)		-2.67"
(-67.82mm)		23rd Driest
Driest since:
1956
105th Wettest
Wettest since:
1929
Sep 2010–Apr 2011
8-Month		19.07"
(484.38mm)		18.41"
(467.61mm)		0.66"
(16.77mm)		73rd Driest
Driest since:
1956
55th Wettest
Wettest since:
1927
Aug 2010–Apr 2011
9-Month		25.63"
(651.00mm)		22.15"
(562.61mm)		3.48"
(88.39mm)		100th Driest
Driest since:
1956
28th Wettest
Wettest since:
2019
Jul 2010–Apr 2011
10-Month		33.34"
(846.84mm)		26.13"
(663.70mm)		7.21"
(183.14mm)		112th Driest
Driest since:
1902
16th Wettest
Wettest since:
1993
Jun 2010–Apr 2011
11-Month		45.65"
(1,159.51mm)		30.68"
(779.27mm)		14.97"
(380.24mm)		125th Driest
Driest since:
1902
3rd Wettest
Wettest since:
1903
May 2010–Apr 2011
12-Month		53.06"
(1,347.72mm)		34.74"
(882.40mm)		18.32"
(465.32mm)		127th Driest
Driest since:
1902
1st Wettest
Wettest to Date
2011
Nov 2009–Apr 2011
18-Month		67.47"
(1,713.74mm)		46.62"
(1,184.15mm)		20.85"
(529.59mm)		126th Driest
Driest since:
1902
1st Wettest
Wettest to Date
2011
May 2009–Apr 2011
24-Month		102.46"
(2,602.48mm)		69.50"
(1,765.30mm)		32.96"
(837.18mm)		126th Driest
Driest since:
1957
1st Wettest
Wettest to Date
2011
May 2008–Apr 2011
36-Month		149.90"
(3,807.46mm)		104.16"
(2,645.66mm)		45.74"
(1,161.80mm)		125th Driest
Driest since:
1958
1st Wettest
Wettest to Date
2011
May 2007–Apr 2011
48-Month		194.65"
(4,944.11mm)		138.69"
(3,522.73mm)		55.96"
(1,421.38mm)		124th Driest
Driest since:
1957
1st Wettest
Wettest to Date
2011
May 2006–Apr 2011
60-Month		227.73"
(5,784.34mm)		173.27"
(4,401.06mm)		54.46"
(1,383.28mm)		122nd Driest
Driest since:
1958
2nd Wettest
Wettest to Date
2012

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