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 1901

View Period (Months):
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
December 1901
1-Month
1.52"
(38.61mm)
1.51"
(38.35mm)
0.01"
(0.26mm)
69th Driest
Driest since:
1976
60th Wettest
Wettest since:
2015
Ties: 1975, 1978
Nov–Dec 1901
2-Month
2.34"
(59.44mm)
3.62"
(91.95mm)
-1.28"
(-32.51mm)
35th Driest
Driest since:
1976
94th Wettest
Wettest since:
2015
Oct–Dec 1901
3-Month
3.65"
(92.71mm)
6.23"
(158.24mm)
-2.58"
(-65.53mm)
19th Driest
Driest since:
1910
110th Wettest
Wettest since:
1941
Sep–Dec 1901
4-Month
6.04"
(153.42mm)
10.15"
(257.81mm)
-4.11"
(-104.39mm)
15th Driest
Driest since:
1950
114th Wettest
Wettest since:
1961
Aug–Dec 1901
5-Month
6.52"
(165.61mm)
13.87"
(352.30mm)
-7.35"
(-186.69mm)
4th Driest
Driest since:
1953
125th Wettest
Wettest since:
1970
Jul–Dec 1901
6-Month
8.48"
(215.39mm)
17.85"
(453.39mm)
-9.37"
(-238.00mm)
3rd Driest
Driest since:
1953
126th Wettest
Wettest since:
1902
Jun–Dec 1901
7-Month
11.37"
(288.80mm)
22.46"
(570.48mm)
-11.09"
(-281.68mm)
2nd Driest
Driest since:
1953
127th Wettest
Wettest since:
1902
May–Dec 1901
8-Month
13.14"
(333.76mm)
26.50"
(673.10mm)
-13.36"
(-339.34mm)
2nd Driest
Driest since:
1953
127th Wettest
Wettest since:
2010
Apr–Dec 1901
9-Month
14.91"
(378.71mm)
29.84"
(757.94mm)
-14.93"
(-379.23mm)
2nd Driest
Driest since:
1953
127th Wettest
Wettest since:
2010
Mar–Dec 1901
10-Month
17.71"
(449.83mm)
32.19"
(817.63mm)
-14.48"
(-367.80mm)
1st Driest
Driest since:
1901
128th Wettest
Wettest since:
2010
Feb–Dec 1901
11-Month
19.05"
(483.87mm)
33.42"
(848.87mm)
-14.37"
(-365.00mm)
1st Driest
Driest since:
1901
128th Wettest
Wettest since:
2010
Jan–Dec 1901
12-Month
20.09"
(510.29mm)
34.75"
(882.65mm)
-14.66"
(-372.36mm)
1st Driest
Driest since:
1901
128th Wettest
Wettest since:
2010
Jul 1900–Dec 1901
18-Month
38.72"
(983.49mm)
52.63"
(1,336.80mm)
-13.91"
(-353.31mm)
3rd Driest
Driest since:
1956
125th Wettest
Wettest since:
2010
Jan 1900–Dec 1901
24-Month
53.99"
(1,371.35mm)
69.50"
(1,765.30mm)
-15.51"
(-393.95mm)
4th Driest
Driest since:
1989
124th Wettest
Wettest since:
2010
Jan 1899–Dec 1901
36-Month
81.88"
(2,079.75mm)
104.23"
(2,647.44mm)
-22.35"
(-567.69mm)
2nd Driest
Driest since:
1989
125th Wettest
Wettest since:
2010
Jan 1898–Dec 1901
48-Month
119.97"
(3,047.24mm)
138.86"
(3,527.04mm)
-18.89"
(-479.80mm)
7th Driest
Driest since:
1956
119th Wettest
Wettest since:
2010
Jan 1897–Dec 1901
60-Month
147.98"
(3,758.69mm)
173.41"
(4,404.61mm)
-25.43"
(-645.92mm)
4th Driest
Driest since:
1956
121st Wettest
Wettest since:
2011

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