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 1918

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
March 1918
1-Month 		0.32"
(8.13mm)		 2.35"
(59.69mm)		 -2.03"
(-51.56mm)		 1st Driest
Driest since:
 1918
128th Wettest
Wettest since:
 1990
Feb–Mar 1918
2-Month 		1.50"
(38.10mm)		 3.58"
(90.93mm)		 -2.08"
(-52.83mm)		 4th Driest
Driest since:
 1958
125th Wettest
Wettest since:
 1998
Jan–Mar 1918
3-Month 		2.76"
(70.10mm)		 4.91"
(124.71mm)		 -2.15"
(-54.61mm)		 11th Driest
Driest since:
 1956
118th Wettest
Wettest since:
 1998
Dec 1917–Mar 1918
4-Month 		3.39"
(86.11mm)		 6.40"
(162.56mm)		 -3.01"
(-76.45mm)		 4th Driest
Driest since:
 1956
124th Wettest
Wettest since:
 1998
Nov 1917–Mar 1918
5-Month 		3.50"
(88.90mm)		 8.52"
(216.41mm)		 -5.02"
(-127.51mm)		 3rd Driest
Driest since:
 1956
125th Wettest
Wettest since:
 1993
Oct 1917–Mar 1918
6-Month 		5.25"
(133.35mm)		 11.15"
(283.21mm)		 -5.90"
(-149.86mm)		 3rd Driest
Driest since:
 1956
125th Wettest
Wettest since:
 1985
Sep 1917–Mar 1918
7-Month 		9.01"
(228.85mm)		 15.07"
(382.78mm)		 -6.06"
(-153.93mm)		 6th Driest
Driest since:
 1957
122nd Wettest
Wettest since:
 1962
Aug 1917–Mar 1918
8-Month 		10.79"
(274.07mm)		 18.81"
(477.77mm)		 -8.02"
(-203.70mm)		 3rd Driest
Driest since:
 1954
125th Wettest
Wettest since:
 2019
Jul 1917–Mar 1918
9-Month 		12.93"
(328.42mm)		 22.79"
(578.87mm)		 -9.86"
(-250.45mm)		 3rd Driest
Driest since:
 1954
125th Wettest
Wettest since:
 1993
Jun 1917–Mar 1918
10-Month 		20.47"
(519.94mm)		 27.34"
(694.44mm)		 -6.87"
(-174.50mm)		 12th Driest
Driest since:
 1902
116th Wettest
Wettest since:
 1903
May 1917–Mar 1918
11-Month 		24.71"
(627.63mm)		 31.40"
(797.56mm)		 -6.69"
(-169.93mm)		 14th Driest
Driest since:
 1902
114th Wettest
Wettest since:
 2011
Apr 1917–Mar 1918
12-Month 		29.68"
(753.87mm)		 34.74"
(882.40mm)		 -5.06"
(-128.53mm)		 26th Driest
Driest since:
 1902
102nd Wettest
Wettest since:
 2011
Oct 1916–Mar 1918
18-Month 		38.32"
(973.33mm)		 45.91"
(1,166.11mm)		 -7.59"
(-192.78mm)		 13th Driest
Driest since:
 1957
114th Wettest
Wettest since:
 2011
Apr 1916–Mar 1918
24-Month 		60.62"
(1,539.75mm)		 69.47"
(1,764.54mm)		 -8.85"
(-224.79mm)		 21st Driest
Driest since:
 1957
106th Wettest
Wettest since:
 2011
Apr 1915–Mar 1918
36-Month 		104.71"
(2,659.63mm)		 104.12"
(2,644.65mm)		 0.59"
(14.98mm)		 65th Driest
Driest since:
 1956
61st Wettest
Wettest since:
 2011
Apr 1914–Mar 1918
48-Month 		134.16"
(3,407.66mm)		 138.67"
(3,522.22mm)		 -4.51"
(-114.56mm)		 43rd Driest
Driest since:
 1957
82nd Wettest
Wettest since:
 2011
Ties: 1936
Apr 1913–Mar 1918
60-Month 		163.09"
(4,142.49mm)		 173.27"
(4,401.06mm)		 -10.18"
(-258.57mm)		 25th Driest
Driest since:
 1958
99th Wettest
Wettest since:
 2012

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