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 2020

View Period (Months):
Download: CSV JSON XML
  • Record Driest
  • Bottom ⅒
  • Bottom ⅓
  • Normal
  • Top ⅓
  • Top ⅒
  • Record Wettest
PeriodValue1901-2000
Mean		AnomalyRank
(1895-2023)		Wettest/Driest
Since		Record
April 2020
1-Month		2.02"
(51.31mm)		3.34"
(84.84mm)		-1.32"
(-33.53mm)		26th Driest
Driest since:
2018
104th Wettest
Wettest since:
1973
Ties: 1906
Mar–Apr 2020
2-Month		5.14"
(130.56mm)		5.70"
(144.78mm)		-0.56"
(-14.22mm)		51st Driest
Driest since:
1915
79th Wettest
Wettest since:
1973
Ties: 1950
Feb–Apr 2020
3-Month		5.50"
(139.70mm)		6.92"
(175.77mm)		-1.42"
(-36.07mm)		28th Driest
Driest since:
1958
102nd Wettest
Wettest since:
1973
Jan–Apr 2020
4-Month		7.74"
(196.60mm)		8.25"
(209.55mm)		-0.51"
(-12.95mm)		54th Driest
Driest since:
1956
76th Wettest
Wettest since:
1973
Dec 2019–Apr 2020
5-Month		9.09"
(230.89mm)		9.74"
(247.40mm)		-0.65"
(-16.51mm)		47th Driest
Driest since:
1956
82nd Wettest
Wettest since:
1973
Nov 2019–Apr 2020
6-Month		10.36"
(263.14mm)		11.86"
(301.24mm)		-1.50"
(-38.10mm)		39th Driest
Driest since:
1956
90th Wettest
Wettest since:
1973
Oct 2019–Apr 2020
7-Month		12.91"
(327.91mm)		14.49"
(368.05mm)		-1.58"
(-40.14mm)		37th Driest
Driest since:
1956
92nd Wettest
Wettest since:
1929
Ties: 1901
Sep 2019–Apr 2020
8-Month		20.35"
(516.89mm)		18.41"
(467.61mm)		1.94"
(49.28mm)		89th Driest
Driest since:
1956
40th Wettest
Wettest since:
1927
Aug 2019–Apr 2020
9-Month		23.75"
(603.25mm)		22.15"
(562.61mm)		1.60"
(40.64mm)		89th Driest
Driest since:
1956
40th Wettest
Wettest since:
2019
Jul 2019–Apr 2020
10-Month		25.70"
(652.78mm)		26.13"
(663.70mm)		-0.43"
(-10.92mm)		66th Driest
Driest since:
1902
63rd Wettest
Wettest since:
1993
Jun 2019–Apr 2020
11-Month		30.27"
(768.86mm)		30.68"
(779.27mm)		-0.41"
(-10.41mm)		63rd Driest
Driest since:
1902
66th Wettest
Wettest since:
1903
May 2019–Apr 2020
12-Month		41.44"
(1,052.58mm)		34.74"
(882.40mm)		6.70"
(170.18mm)		107th Driest
Driest since:
1902
22nd Wettest
Wettest since:
2011
Nov 2018–Apr 2020
18-Month		57.56"
(1,462.02mm)		46.62"
(1,184.15mm)		10.94"
(277.87mm)		118th Driest
Driest since:
1902
10th Wettest
Wettest since:
2011
May 2018–Apr 2020
24-Month		86.02"
(2,184.91mm)		69.50"
(1,765.30mm)		16.52"
(419.61mm)		120th Driest
Driest since:
1957
8th Wettest
Wettest since:
2011
May 2017–Apr 2020
36-Month		111.50"
(2,832.10mm)		104.16"
(2,645.66mm)		7.34"
(186.44mm)		93rd Driest
Driest since:
1958
34th Wettest
Wettest since:
2011
May 2016–Apr 2020
48-Month		147.30"
(3,741.42mm)		138.69"
(3,522.73mm)		8.61"
(218.69mm)		87th Driest
Driest since:
1957
39th Wettest
Wettest since:
2011
May 2015–Apr 2020
60-Month		191.46"
(4,863.08mm)		173.27"
(4,401.06mm)		18.19"
(462.02mm)		106th Driest
Driest since:
1958
19th Wettest
Wettest since:
2012

Citing This Page