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 1942

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 1942
1-Month
1.53"
(38.86mm)
1.11"
(28.19mm)
0.42"
(10.67mm)
99th Driest
Driest since:
2002
29th Wettest
Wettest since:
2015
Ties: 2012
Nov–Dec 1942
2-Month
3.26"
(82.80mm)
2.87"
(72.90mm)
0.39"
(9.90mm)
83rd Driest
Driest since:
1976
45th Wettest
Wettest since:
2015
Ties: 1918, 1968
Oct–Dec 1942
3-Month
4.74"
(120.40mm)
5.16"
(131.06mm)
-0.42"
(-10.66mm)
51st Driest
Driest since:
1910
77th Wettest
Wettest since:
1931
Ties: 1912, 1930, 1978
Sep–Dec 1942
4-Month
8.84"
(224.54mm)
8.83"
(224.28mm)
0.01"
(0.26mm)
70th Driest
Driest since:
1939, 1976
58th Wettest
Wettest since:
1931
Aug–Dec 1942
5-Month
12.06"
(306.32mm)
12.67"
(321.82mm)
-0.61"
(-15.50mm)
56th Driest
Driest since:
1976
72nd Wettest
Wettest since:
2018
Ties: 2004
Jul–Dec 1942
6-Month
17.14"
(435.36mm)
16.52"
(419.61mm)
0.62"
(15.75mm)
78th Driest
Driest since:
1976
50th Wettest
Wettest since:
2018
Jun–Dec 1942
7-Month
23.03"
(584.96mm)
21.15"
(537.21mm)
1.88"
(47.75mm)
86th Driest
Driest since:
1976
42nd Wettest
Wettest since:
2018
May–Dec 1942
8-Month
27.70"
(703.58mm)
25.20"
(640.08mm)
2.50"
(63.50mm)
88th Driest
Driest since:
1976
40th Wettest
Wettest since:
1993
Apr–Dec 1942
9-Month
28.77"
(730.76mm)
28.15"
(715.01mm)
0.62"
(15.75mm)
68th Driest
Driest since:
1910
60th Wettest
Wettest since:
1993
Mar–Dec 1942
10-Month
30.76"
(781.30mm)
30.10"
(764.54mm)
0.66"
(16.76mm)
71st Driest
Driest since:
1910
57th Wettest
Wettest since:
1993
Feb–Dec 1942
11-Month
31.85"
(808.99mm)
31.12"
(790.45mm)
0.73"
(18.54mm)
74th Driest
Driest since:
1910
54th Wettest
Wettest since:
1993
Jan–Dec 1942
12-Month
32.58"
(827.53mm)
32.09"
(815.09mm)
0.49"
(12.44mm)
73rd Driest
Driest since:
1910
55th Wettest
Wettest since:
1993
Jul 1941–Dec 1942
18-Month
53.71"
(1,364.23mm)
48.69"
(1,236.73mm)
5.02"
(127.50mm)
95th Driest
Driest since:
1956
32nd Wettest
Wettest since:
1993
Ties: 1974
Jan 1941–Dec 1942
24-Month
68.73"
(1,745.74mm)
64.24"
(1,631.70mm)
4.49"
(114.04mm)
88th Driest
Driest since:
1989
39th Wettest
Wettest since:
2019
Jan 1940–Dec 1942
36-Month
99.24"
(2,520.70mm)
96.36"
(2,447.54mm)
2.88"
(73.16mm)
76th Driest
Driest since:
1957
50th Wettest
Wettest since:
2010
Jan 1939–Dec 1942
48-Month
123.74"
(3,143.00mm)
128.37"
(3,260.60mm)
-4.63"
(-117.60mm)
36th Driest
Driest since:
1958
89th Wettest
Wettest since:
2010
Jan 1938–Dec 1942
60-Month
160.06"
(4,065.52mm)
160.36"
(4,073.14mm)
-0.30"
(-7.62mm)
58th Driest
Driest since:
1956
66th Wettest
Wettest since:
2010

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