Statewide Rankings

Statewide 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

Precipitation Rankings, December 1910

View Period (Months):
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
December 1910
1-Month
0.37"
(9.40mm)
1.11"
(28.19mm)
-0.74"
(-18.79mm)
6th Driest
Driest since:
2002
122nd Wettest
Wettest since:
2015
Nov–Dec 1910
2-Month
0.71"
(18.03mm)
2.87"
(72.90mm)
-2.16"
(-54.87mm)
4th Driest
Driest since:
1976
124th Wettest
Wettest since:
2015
Oct–Dec 1910
3-Month
1.53"
(38.86mm)
5.16"
(131.06mm)
-3.63"
(-92.20mm)
1st Driest
Driest since:
1910
127th Wettest
Wettest since:
1931
Sep–Dec 1910
4-Month
5.27"
(133.86mm)
8.83"
(224.28mm)
-3.56"
(-90.42mm)
12th Driest
Driest since:
1939, 1976
116th Wettest
Wettest since:
1931
Aug–Dec 1910
5-Month
9.36"
(237.74mm)
12.67"
(321.82mm)
-3.31"
(-84.08mm)
16th Driest
Driest since:
1976
112th Wettest
Wettest since:
2018
Jul–Dec 1910
6-Month
11.21"
(284.73mm)
16.52"
(419.61mm)
-5.31"
(-134.88mm)
9th Driest
Driest since:
1976
119th Wettest
Wettest since:
2018
Jun–Dec 1910
7-Month
13.22"
(335.79mm)
21.15"
(537.21mm)
-7.93"
(-201.42mm)
2nd Driest
Driest since:
1976
126th Wettest
Wettest since:
2018
May–Dec 1910
8-Month
16.50"
(419.10mm)
25.20"
(640.08mm)
-8.70"
(-220.98mm)
4th Driest
Driest since:
1976
124th Wettest
Wettest since:
1993
Apr–Dec 1910
9-Month
18.02"
(457.71mm)
28.15"
(715.01mm)
-10.13"
(-257.30mm)
1st Driest
Driest since:
1910
127th Wettest
Wettest since:
1993
Mar–Dec 1910
10-Month
18.18"
(461.77mm)
30.10"
(764.54mm)
-11.92"
(-302.77mm)
1st Driest
Driest since:
1910
127th Wettest
Wettest since:
1993
Feb–Dec 1910
11-Month
18.62"
(472.95mm)
31.12"
(790.45mm)
-12.50"
(-317.50mm)
1st Driest
Driest since:
1910
127th Wettest
Wettest since:
1993
Jan–Dec 1910
12-Month
20.21"
(513.33mm)
32.09"
(815.09mm)
-11.88"
(-301.76mm)
1st Driest
Driest since:
1910
127th Wettest
Wettest since:
1993
Jul 1909–Dec 1910
18-Month
39.99"
(1,015.75mm)
48.69"
(1,236.73mm)
-8.70"
(-220.98mm)
7th Driest
Driest since:
1956
120th Wettest
Wettest since:
1993
Jan 1909–Dec 1910
24-Month
59.88"
(1,520.95mm)
64.24"
(1,631.70mm)
-4.36"
(-110.75mm)
30th Driest
Driest since:
1989
97th Wettest
Wettest since:
2019
Jan 1908–Dec 1910
36-Month
94.62"
(2,403.35mm)
96.36"
(2,447.54mm)
-1.74"
(-44.19mm)
50th Driest
Driest since:
1957
76th Wettest
Wettest since:
2010
Jan 1907–Dec 1910
48-Month
126.22"
(3,205.99mm)
128.37"
(3,260.60mm)
-2.15"
(-54.61mm)
46th Driest
Driest since:
1958
79th Wettest
Wettest since:
2010
Jan 1906–Dec 1910
60-Month
157.72"
(4,006.09mm)
160.36"
(4,073.14mm)
-2.64"
(-67.05mm)
46th Driest
Driest since:
1956
78th Wettest
Wettest since:
2010

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