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, December 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
December 1956
1-Month
0.92"
(23.37mm)
1.51"
(38.35mm)
-0.59"
(-14.98mm)
38th Driest
Driest since:
1976
91st Wettest
Wettest since:
2015
Nov–Dec 1956
2-Month
2.06"
(52.32mm)
3.62"
(91.95mm)
-1.56"
(-39.63mm)
25th Driest
Driest since:
1976
104th Wettest
Wettest since:
2015
Ties: 1937
Oct–Dec 1956
3-Month
2.90"
(73.66mm)
6.23"
(158.24mm)
-3.33"
(-84.58mm)
10th Driest
Driest since:
1910
119th Wettest
Wettest since:
1941
Sep–Dec 1956
4-Month
3.60"
(91.44mm)
10.15"
(257.81mm)
-6.55"
(-166.37mm)
2nd Driest
Driest since:
1950
127th Wettest
Wettest since:
1961
Aug–Dec 1956
5-Month
9.05"
(229.87mm)
13.87"
(352.30mm)
-4.82"
(-122.43mm)
13th Driest
Driest since:
1953
116th Wettest
Wettest since:
1970
Jul–Dec 1956
6-Month
13.33"
(338.58mm)
17.85"
(453.39mm)
-4.52"
(-114.81mm)
24th Driest
Driest since:
1953
105th Wettest
Wettest since:
1902
Jun–Dec 1956
7-Month
15.73"
(399.54mm)
22.46"
(570.48mm)
-6.73"
(-170.94mm)
15th Driest
Driest since:
1953
114th Wettest
Wettest since:
1902
May–Dec 1956
8-Month
17.27"
(438.66mm)
26.50"
(673.10mm)
-9.23"
(-234.44mm)
6th Driest
Driest since:
1953
123rd Wettest
Wettest since:
2010
Apr–Dec 1956
9-Month
18.77"
(476.76mm)
29.84"
(757.94mm)
-11.07"
(-281.18mm)
4th Driest
Driest since:
1953
125th Wettest
Wettest since:
2010
Mar–Dec 1956
10-Month
19.30"
(490.22mm)
32.19"
(817.63mm)
-12.89"
(-327.41mm)
4th Driest
Driest since:
1901
125th Wettest
Wettest since:
2010
Feb–Dec 1956
11-Month
20.40"
(518.16mm)
33.42"
(848.87mm)
-13.02"
(-330.71mm)
3rd Driest
Driest since:
1901
126th Wettest
Wettest since:
2010
Jan–Dec 1956
12-Month
20.70"
(525.78mm)
34.75"
(882.65mm)
-14.05"
(-356.87mm)
3rd Driest
Driest since:
1901
126th Wettest
Wettest since:
2010
Jul 1955–Dec 1956
18-Month
31.90"
(810.26mm)
52.63"
(1,336.80mm)
-20.73"
(-526.54mm)
1st Driest
Driest since:
1956
127th Wettest
Wettest since:
2010
Jan 1955–Dec 1956
24-Month
48.77"
(1,238.76mm)
69.50"
(1,765.30mm)
-20.73"
(-526.54mm)
2nd Driest
Driest since:
1989
126th Wettest
Wettest since:
2010
Jan 1954–Dec 1956
36-Month
83.05"
(2,109.47mm)
104.23"
(2,647.44mm)
-21.18"
(-537.97mm)
3rd Driest
Driest since:
1989
124th Wettest
Wettest since:
2010
Jan 1953–Dec 1956
48-Month
105.48"
(2,679.19mm)
138.86"
(3,527.04mm)
-33.38"
(-847.85mm)
1st Driest
Driest since:
1956
125th Wettest
Wettest since:
2010
Jan 1952–Dec 1956
60-Month
138.24"
(3,511.30mm)
173.41"
(4,404.61mm)
-35.17"
(-893.31mm)
1st Driest
Driest since:
1956
124th Wettest
Wettest since:
2011

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