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 2018

View Period (Months):
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
March 2018
1-Month
2.86"
(72.64mm)
2.35"
(59.69mm)
0.51"
(12.95mm)
86th Driest
Driest since:
1918
43rd Wettest
Wettest since:
1990
Feb–Mar 2018
2-Month
5.27"
(133.86mm)
3.58"
(90.93mm)
1.69"
(42.93mm)
114th Driest
Driest since:
1958
15th Wettest
Wettest since:
1998
Jan–Mar 2018
3-Month
5.79"
(147.07mm)
4.91"
(124.71mm)
0.88"
(22.36mm)
87th Driest
Driest since:
1956
42nd Wettest
Wettest since:
1998
Dec 2017–Mar 2018
4-Month
6.23"
(158.24mm)
6.40"
(162.56mm)
-0.17"
(-4.32mm)
62nd Driest
Driest since:
1956
66th Wettest
Wettest since:
1998
Nov 2017–Mar 2018
5-Month
7.12"
(180.85mm)
8.52"
(216.41mm)
-1.40"
(-35.56mm)
41st Driest
Driest since:
1956
87th Wettest
Wettest since:
1993
Oct 2017–Mar 2018
6-Month
11.89"
(302.01mm)
11.15"
(283.21mm)
0.74"
(18.80mm)
76th Driest
Driest since:
1956
52nd Wettest
Wettest since:
1985
Sep 2017–Mar 2018
7-Month
14.33"
(363.98mm)
15.07"
(382.78mm)
-0.74"
(-18.80mm)
62nd Driest
Driest since:
1957
66th Wettest
Wettest since:
1962
Ties: 1991
Aug 2017–Mar 2018
8-Month
16.80"
(426.72mm)
18.81"
(477.77mm)
-2.01"
(-51.05mm)
44th Driest
Driest since:
1954
84th Wettest
Wettest since:
2019
Ties: 1905, 1910
Jul 2017–Mar 2018
9-Month
19.56"
(496.82mm)
22.79"
(578.87mm)
-3.23"
(-82.05mm)
33rd Driest
Driest since:
1954
95th Wettest
Wettest since:
1993
Jun 2017–Mar 2018
10-Month
21.39"
(543.31mm)
27.34"
(694.44mm)
-5.95"
(-151.13mm)
19th Driest
Driest since:
1902
109th Wettest
Wettest since:
1903
May 2017–Mar 2018
11-Month
24.98"
(634.49mm)
31.40"
(797.56mm)
-6.42"
(-163.07mm)
16th Driest
Driest since:
1902
112th Wettest
Wettest since:
2011
Apr 2017–Mar 2018
12-Month
29.85"
(758.19mm)
34.74"
(882.40mm)
-4.89"
(-124.21mm)
28th Driest
Driest since:
1902
100th Wettest
Wettest since:
2011
Oct 2016–Mar 2018
18-Month
39.05"
(991.87mm)
45.91"
(1,166.11mm)
-6.86"
(-174.24mm)
16th Driest
Driest since:
1957
111th Wettest
Wettest since:
2011
Apr 2016–Mar 2018
24-Month
63.08"
(1,602.23mm)
69.47"
(1,764.54mm)
-6.39"
(-162.31mm)
26th Driest
Driest since:
1957
101st Wettest
Wettest since:
2011
Apr 2015–Mar 2018
36-Month
107.48"
(2,729.99mm)
104.12"
(2,644.65mm)
3.36"
(85.34mm)
75th Driest
Driest since:
1956
51st Wettest
Wettest since:
2011
Apr 2014–Mar 2018
48-Month
146.58"
(3,723.13mm)
138.67"
(3,522.22mm)
7.91"
(200.91mm)
78th Driest
Driest since:
1957
47th Wettest
Wettest since:
2011
Apr 2013–Mar 2018
60-Month
180.53"
(4,585.46mm)
173.27"
(4,401.06mm)
7.26"
(184.40mm)
76th Driest
Driest since:
1958
48th Wettest
Wettest since:
2012

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