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 1954

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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 1954
1-Month
0.72"
(18.29mm)
1.11"
(28.19mm)
-0.39"
(-9.90mm)
36th Driest
Driest since:
2002
92nd Wettest
Wettest since:
2015
Nov–Dec 1954
2-Month
0.96"
(24.38mm)
2.87"
(72.90mm)
-1.91"
(-48.52mm)
10th Driest
Driest since:
1976
118th Wettest
Wettest since:
2015
Oct–Dec 1954
3-Month
5.12"
(130.05mm)
5.16"
(131.06mm)
-0.04"
(-1.01mm)
64th Driest
Driest since:
1910
64th Wettest
Wettest since:
1931
Sep–Dec 1954
4-Month
7.31"
(185.67mm)
8.83"
(224.28mm)
-1.52"
(-38.61mm)
44th Driest
Driest since:
1939, 1976
84th Wettest
Wettest since:
1931
Aug–Dec 1954
5-Month
14.39"
(365.51mm)
12.67"
(321.82mm)
1.72"
(43.69mm)
90th Driest
Driest since:
1976
38th Wettest
Wettest since:
2018
Jul–Dec 1954
6-Month
16.19"
(411.23mm)
16.52"
(419.61mm)
-0.33"
(-8.38mm)
62nd Driest
Driest since:
1976
66th Wettest
Wettest since:
2018
Jun–Dec 1954
7-Month
22.59"
(573.79mm)
21.15"
(537.21mm)
1.44"
(36.58mm)
82nd Driest
Driest since:
1976
46th Wettest
Wettest since:
2018
May–Dec 1954
8-Month
26.39"
(670.31mm)
25.20"
(640.08mm)
1.19"
(30.23mm)
74th Driest
Driest since:
1976
54th Wettest
Wettest since:
1993
Apr–Dec 1954
9-Month
30.76"
(781.30mm)
28.15"
(715.01mm)
2.61"
(66.29mm)
83rd Driest
Driest since:
1910
45th Wettest
Wettest since:
1993
Mar–Dec 1954
10-Month
32.51"
(825.75mm)
30.10"
(764.54mm)
2.41"
(61.21mm)
83rd Driest
Driest since:
1910
45th Wettest
Wettest since:
1993
Feb–Dec 1954
11-Month
33.94"
(862.08mm)
31.12"
(790.45mm)
2.82"
(71.63mm)
87th Driest
Driest since:
1910
41st Wettest
Wettest since:
1993
Jan–Dec 1954
12-Month
34.18"
(868.17mm)
32.09"
(815.09mm)
2.09"
(53.08mm)
80th Driest
Driest since:
1910
48th Wettest
Wettest since:
1993
Jul 1953–Dec 1954
18-Month
43.88"
(1,114.55mm)
48.69"
(1,236.73mm)
-4.81"
(-122.18mm)
29th Driest
Driest since:
1956
98th Wettest
Wettest since:
1993
Jan 1953–Dec 1954
24-Month
59.97"
(1,523.24mm)
64.24"
(1,631.70mm)
-4.27"
(-108.46mm)
32nd Driest
Driest since:
1989
95th Wettest
Wettest since:
2019
Jan 1952–Dec 1954
36-Month
89.48"
(2,272.79mm)
96.36"
(2,447.54mm)
-6.88"
(-174.75mm)
23rd Driest
Driest since:
1957
103rd Wettest
Wettest since:
2010
Jan 1951–Dec 1954
48-Month
131.45"
(3,338.83mm)
128.37"
(3,260.60mm)
3.08"
(78.23mm)
77th Driest
Driest since:
1958
48th Wettest
Wettest since:
2010
Jan 1950–Dec 1954
60-Month
160.47"
(4,075.94mm)
160.36"
(4,073.14mm)
0.11"
(2.80mm)
60th Driest
Driest since:
1956
64th Wettest
Wettest since:
2010

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