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, March 1931

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
March 1931
1-Month 		2.64"
(67.06mm)		 2.35"
(59.69mm)		 0.29"
(7.37mm)		 80th Driest
Driest since:
 1918
49th Wettest
Wettest since:
 1990
Ties: 1906
Feb–Mar 1931
2-Month 		2.93"
(74.42mm)		 3.58"
(90.93mm)		 -0.65"
(-16.51mm)		 44th Driest
Driest since:
 1958
85th Wettest
Wettest since:
 1998
Jan–Mar 1931
3-Month 		3.54"
(89.92mm)		 4.91"
(124.71mm)		 -1.37"
(-34.79mm)		 26th Driest
Driest since:
 1956
103rd Wettest
Wettest since:
 1998
Dec 1930–Mar 1931
4-Month 		4.71"
(119.63mm)		 6.40"
(162.56mm)		 -1.69"
(-42.93mm)		 16th Driest
Driest since:
 1956
112th Wettest
Wettest since:
 1998
Nov 1930–Mar 1931
5-Month 		6.98"
(177.29mm)		 8.52"
(216.41mm)		 -1.54"
(-39.12mm)		 38th Driest
Driest since:
 1956
90th Wettest
Wettest since:
 1993
Oct 1930–Mar 1931
6-Month 		9.45"
(240.03mm)		 11.15"
(283.21mm)		 -1.70"
(-43.18mm)		 31st Driest
Driest since:
 1956
97th Wettest
Wettest since:
 1985
Sep 1930–Mar 1931
7-Month 		11.93"
(303.02mm)		 15.07"
(382.78mm)		 -3.14"
(-79.76mm)		 25th Driest
Driest since:
 1957
103rd Wettest
Wettest since:
 1962
Aug 1930–Mar 1931
8-Month 		14.11"
(358.39mm)		 18.81"
(477.77mm)		 -4.70"
(-119.38mm)		 16th Driest
Driest since:
 1954
112th Wettest
Wettest since:
 2019
Jul 1930–Mar 1931
9-Month 		15.36"
(390.14mm)		 22.79"
(578.87mm)		 -7.43"
(-188.73mm)		 9th Driest
Driest since:
 1954
119th Wettest
Wettest since:
 1993
Jun 1930–Mar 1931
10-Month 		23.59"
(599.19mm)		 27.34"
(694.44mm)		 -3.75"
(-95.25mm)		 31st Driest
Driest since:
 1902
97th Wettest
Wettest since:
 1903
May 1930–Mar 1931
11-Month 		26.51"
(673.35mm)		 31.40"
(797.56mm)		 -4.89"
(-124.21mm)		 27th Driest
Driest since:
 1902
101st Wettest
Wettest since:
 2011
Apr 1930–Mar 1931
12-Month 		28.62"
(726.95mm)		 34.74"
(882.40mm)		 -6.12"
(-155.45mm)		 14th Driest
Driest since:
 1902
114th Wettest
Wettest since:
 2011
Oct 1929–Mar 1931
18-Month 		39.14"
(994.16mm)		 45.91"
(1,166.11mm)		 -6.77"
(-171.95mm)		 18th Driest
Driest since:
 1957
109th Wettest
Wettest since:
 2011
Apr 1929–Mar 1931
24-Month 		62.61"
(1,590.29mm)		 69.47"
(1,764.54mm)		 -6.86"
(-174.25mm)		 24th Driest
Driest since:
 1957
103rd Wettest
Wettest since:
 2011
Apr 1928–Mar 1931
36-Month 		106.65"
(2,708.91mm)		 104.12"
(2,644.65mm)		 2.53"
(64.26mm)		 72nd Driest
Driest since:
 1956
54th Wettest
Wettest since:
 2011
Apr 1927–Mar 1931
48-Month 		143.52"
(3,645.41mm)		 138.67"
(3,522.22mm)		 4.85"
(123.19mm)		 75th Driest
Driest since:
 1957
50th Wettest
Wettest since:
 2011
Apr 1926–Mar 1931
60-Month 		185.72"
(4,717.29mm)		 173.27"
(4,401.06mm)		 12.45"
(316.23mm)		 92nd Driest
Driest since:
 1958
32nd Wettest
Wettest since:
 2012

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