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 1956

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 1956
1-Month
1.50"
(38.10mm)
3.34"
(84.84mm)
-1.84"
(-46.74mm)
14th Driest
Driest since:
2018
115th Wettest
Wettest since:
1973
Mar–Apr 1956
2-Month
2.03"
(51.56mm)
5.70"
(144.78mm)
-3.67"
(-93.22mm)
2nd Driest
Driest since:
1915
127th Wettest
Wettest since:
1973
Feb–Apr 1956
3-Month
3.13"
(79.50mm)
6.92"
(175.77mm)
-3.79"
(-96.27mm)
2nd Driest
Driest since:
1958
127th Wettest
Wettest since:
1973
Jan–Apr 1956
4-Month
3.43"
(87.12mm)
8.25"
(209.55mm)
-4.82"
(-122.43mm)
1st Driest
Driest since:
1956
128th Wettest
Wettest since:
1973
Dec 1955–Apr 1956
5-Month
3.72"
(94.49mm)
9.74"
(247.40mm)
-6.02"
(-152.91mm)
1st Driest
Driest since:
1956
127th Wettest
Wettest since:
1973
Nov 1955–Apr 1956
6-Month
4.00"
(101.60mm)
11.86"
(301.24mm)
-7.86"
(-199.64mm)
1st Driest
Driest since:
1956
127th Wettest
Wettest since:
1973
Oct 1955–Apr 1956
7-Month
6.25"
(158.75mm)
14.49"
(368.05mm)
-8.24"
(-209.30mm)
1st Driest
Driest since:
1956
127th Wettest
Wettest since:
1929
Sep 1955–Apr 1956
8-Month
9.94"
(252.48mm)
18.41"
(467.61mm)
-8.47"
(-215.13mm)
1st Driest
Driest since:
1956
127th Wettest
Wettest since:
1927
Aug 1955–Apr 1956
9-Month
12.33"
(313.18mm)
22.15"
(562.61mm)
-9.82"
(-249.43mm)
1st Driest
Driest since:
1956
127th Wettest
Wettest since:
2019
Jul 1955–Apr 1956
10-Month
14.63"
(371.60mm)
26.13"
(663.70mm)
-11.50"
(-292.10mm)
2nd Driest
Driest since:
1902
126th Wettest
Wettest since:
1993
Jun 1955–Apr 1956
11-Month
17.98"
(456.69mm)
30.68"
(779.27mm)
-12.70"
(-322.58mm)
2nd Driest
Driest since:
1902
126th Wettest
Wettest since:
1903
May 1955–Apr 1956
12-Month
22.00"
(558.80mm)
34.74"
(882.40mm)
-12.74"
(-323.60mm)
3rd Driest
Driest since:
1902
125th Wettest
Wettest since:
2011
Nov 1954–Apr 1956
18-Month
33.28"
(845.31mm)
46.62"
(1,184.15mm)
-13.34"
(-338.84mm)
4th Driest
Driest since:
1902
123rd Wettest
Wettest since:
2011
May 1954–Apr 1956
24-Month
56.26"
(1,429.00mm)
69.50"
(1,765.30mm)
-13.24"
(-336.30mm)
8th Driest
Driest since:
1957
119th Wettest
Wettest since:
2011
May 1953–Apr 1956
36-Month
78.40"
(1,991.36mm)
104.16"
(2,645.66mm)
-25.76"
(-654.30mm)
2nd Driest
Driest since:
1958
124th Wettest
Wettest since:
2011
May 1952–Apr 1956
48-Month
112.56"
(2,859.02mm)
138.69"
(3,522.73mm)
-26.13"
(-663.71mm)
2nd Driest
Driest since:
1957
123rd Wettest
Wettest since:
2011
May 1951–Apr 1956
60-Month
152.12"
(3,863.85mm)
173.27"
(4,401.06mm)
-21.15"
(-537.21mm)
8th Driest
Driest since:
1958
116th Wettest
Wettest since:
2012

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