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 1902

View Period (Months):
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
April 1902
1-Month
3.03"
(76.96mm)
3.34"
(84.84mm)
-0.31"
(-7.88mm)
56th Driest
Driest since:
2018
73rd Wettest
Wettest since:
1973
Mar–Apr 1902
2-Month
4.68"
(118.87mm)
5.70"
(144.78mm)
-1.02"
(-25.91mm)
42nd Driest
Driest since:
1915
87th Wettest
Wettest since:
1973
Feb–Apr 1902
3-Month
5.57"
(141.48mm)
6.92"
(175.77mm)
-1.35"
(-34.29mm)
29th Driest
Driest since:
1958
100th Wettest
Wettest since:
1973
Ties: 1924
Jan–Apr 1902
4-Month
6.11"
(155.19mm)
8.25"
(209.55mm)
-2.14"
(-54.36mm)
20th Driest
Driest since:
1956
109th Wettest
Wettest since:
1973
Dec 1901–Apr 1902
5-Month
7.63"
(193.80mm)
9.74"
(247.40mm)
-2.11"
(-53.60mm)
25th Driest
Driest since:
1956
103rd Wettest
Wettest since:
1973
Nov 1901–Apr 1902
6-Month
8.45"
(214.63mm)
11.86"
(301.24mm)
-3.41"
(-86.61mm)
17th Driest
Driest since:
1956
111th Wettest
Wettest since:
1973
Oct 1901–Apr 1902
7-Month
9.76"
(247.90mm)
14.49"
(368.05mm)
-4.73"
(-120.15mm)
6th Driest
Driest since:
1956
122nd Wettest
Wettest since:
1929
Sep 1901–Apr 1902
8-Month
12.15"
(308.61mm)
18.41"
(467.61mm)
-6.26"
(-159.00mm)
6th Driest
Driest since:
1956
122nd Wettest
Wettest since:
1927
Aug 1901–Apr 1902
9-Month
12.63"
(320.80mm)
22.15"
(562.61mm)
-9.52"
(-241.81mm)
2nd Driest
Driest since:
1956
126th Wettest
Wettest since:
2019
Jul 1901–Apr 1902
10-Month
14.59"
(370.59mm)
26.13"
(663.70mm)
-11.54"
(-293.11mm)
1st Driest
Driest since:
1902
127th Wettest
Wettest since:
1993
Jun 1901–Apr 1902
11-Month
17.48"
(443.99mm)
30.68"
(779.27mm)
-13.20"
(-335.28mm)
1st Driest
Driest since:
1902
127th Wettest
Wettest since:
1903
May 1901–Apr 1902
12-Month
19.25"
(488.95mm)
34.74"
(882.40mm)
-15.49"
(-393.45mm)
1st Driest
Driest since:
1902
127th Wettest
Wettest since:
2011
Nov 1900–Apr 1902
18-Month
28.36"
(720.34mm)
46.62"
(1,184.15mm)
-18.26"
(-463.81mm)
1st Driest
Driest since:
1902
126th Wettest
Wettest since:
2011
May 1900–Apr 1902
24-Month
51.67"
(1,312.42mm)
69.50"
(1,765.30mm)
-17.83"
(-452.88mm)
3rd Driest
Driest since:
1957
124th Wettest
Wettest since:
2011
May 1899–Apr 1902
36-Month
81.79"
(2,077.47mm)
104.16"
(2,645.66mm)
-22.37"
(-568.19mm)
3rd Driest
Driest since:
1958
123rd Wettest
Wettest since:
2011
May 1898–Apr 1902
48-Month
115.14"
(2,924.56mm)
138.69"
(3,522.73mm)
-23.55"
(-598.17mm)
6th Driest
Driest since:
1957
119th Wettest
Wettest since:
2011
May 1897–Apr 1902
60-Month
142.77"
(3,626.36mm)
173.27"
(4,401.06mm)
-30.50"
(-774.70mm)
4th Driest
Driest since:
1958
120th Wettest
Wettest since:
2012

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