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 1971

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
April 1971
1-Month
1.40"
(35.56mm)
3.34"
(84.84mm)
-1.94"
(-49.28mm)
9th Driest
Driest since:
2018
120th Wettest
Wettest since:
1973
Mar–Apr 1971
2-Month
2.16"
(54.86mm)
5.70"
(144.78mm)
-3.54"
(-89.92mm)
3rd Driest
Driest since:
1915
126th Wettest
Wettest since:
1973
Feb–Apr 1971
3-Month
3.58"
(90.93mm)
6.92"
(175.77mm)
-3.34"
(-84.84mm)
6th Driest
Driest since:
1958
123rd Wettest
Wettest since:
1973
Jan–Apr 1971
4-Month
4.99"
(126.75mm)
8.25"
(209.55mm)
-3.26"
(-82.80mm)
5th Driest
Driest since:
1956
124th Wettest
Wettest since:
1973
Ties: 1895
Dec 1970–Apr 1971
5-Month
6.97"
(177.04mm)
9.74"
(247.40mm)
-2.77"
(-70.36mm)
15th Driest
Driest since:
1956
113th Wettest
Wettest since:
1973
Nov 1970–Apr 1971
6-Month
8.28"
(210.31mm)
11.86"
(301.24mm)
-3.58"
(-90.93mm)
14th Driest
Driest since:
1956
114th Wettest
Wettest since:
1973
Ties: 1987
Oct 1970–Apr 1971
7-Month
11.49"
(291.85mm)
14.49"
(368.05mm)
-3.00"
(-76.20mm)
16th Driest
Driest since:
1956
112th Wettest
Wettest since:
1929
Sep 1970–Apr 1971
8-Month
21.21"
(538.73mm)
18.41"
(467.61mm)
2.80"
(71.12mm)
96th Driest
Driest since:
1956
32nd Wettest
Wettest since:
1927
Aug 1970–Apr 1971
9-Month
30.37"
(771.40mm)
22.15"
(562.61mm)
8.22"
(208.79mm)
122nd Driest
Driest since:
1956
6th Wettest
Wettest since:
2019
Jul 1970–Apr 1971
10-Month
33.45"
(849.63mm)
26.13"
(663.70mm)
7.32"
(185.93mm)
113th Driest
Driest since:
1902
15th Wettest
Wettest since:
1993
Jun 1970–Apr 1971
11-Month
37.62"
(955.55mm)
30.68"
(779.27mm)
6.94"
(176.28mm)
111th Driest
Driest since:
1902
17th Wettest
Wettest since:
1903
May 1970–Apr 1971
12-Month
41.81"
(1,061.97mm)
34.74"
(882.40mm)
7.07"
(179.57mm)
108th Driest
Driest since:
1902
20th Wettest
Wettest since:
2011
Nov 1969–Apr 1971
18-Month
49.96"
(1,268.98mm)
46.62"
(1,184.15mm)
3.34"
(84.83mm)
87th Driest
Driest since:
1902
40th Wettest
Wettest since:
2011
May 1969–Apr 1971
24-Month
78.15"
(1,985.01mm)
69.50"
(1,765.30mm)
8.65"
(219.71mm)
102nd Driest
Driest since:
1957
25th Wettest
Wettest since:
2011
May 1968–Apr 1971
36-Month
109.65"
(2,785.11mm)
104.16"
(2,645.66mm)
5.49"
(139.45mm)
85th Driest
Driest since:
1958
41st Wettest
Wettest since:
2011
May 1967–Apr 1971
48-Month
143.55"
(3,646.17mm)
138.69"
(3,522.73mm)
4.86"
(123.44mm)
75th Driest
Driest since:
1957
50th Wettest
Wettest since:
2011
May 1966–Apr 1971
60-Month
175.53"
(4,458.46mm)
173.27"
(4,401.06mm)
2.26"
(57.40mm)
67th Driest
Driest since:
1958
57th Wettest
Wettest since:
2012

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