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, January 1943

View Period (Months):
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2023)
Wettest/Driest
Since
Record
January 1943
1-Month
0.77"
(19.56mm)
0.98"
(24.89mm)
-0.21"
(-5.33mm)
51st Driest
Driest since:
1981
79th Wettest
Wettest since:
1949
Ties: 1959, 1991
Dec 1942–Jan 1943
2-Month
2.30"
(58.42mm)
2.08"
(52.83mm)
0.22"
(5.59mm)
81st Driest
Driest since:
2003
48th Wettest
Wettest since:
2016
Nov 1942–Jan 1943
3-Month
4.03"
(102.36mm)
3.82"
(97.03mm)
0.21"
(5.33mm)
75th Driest
Driest since:
2003
54th Wettest
Wettest since:
1932
Oct 1942–Jan 1943
4-Month
5.51"
(139.95mm)
6.13"
(155.70mm)
-0.62"
(-15.75mm)
50th Driest
Driest since:
1911
79th Wettest
Wettest since:
1932
Sep 1942–Jan 1943
5-Month
9.61"
(244.09mm)
9.83"
(249.68mm)
-0.22"
(-5.59mm)
71st Driest
Driest since:
1977
58th Wettest
Wettest since:
1932
Aug 1942–Jan 1943
6-Month
12.83"
(325.88mm)
13.69"
(347.73mm)
-0.86"
(-21.85mm)
57th Driest
Driest since:
1977
72nd Wettest
Wettest since:
2019
Ties: 1946
Jul 1942–Jan 1943
7-Month
17.91"
(454.91mm)
17.57"
(446.28mm)
0.34"
(8.63mm)
74th Driest
Driest since:
1977
55th Wettest
Wettest since:
2019
Jun 1942–Jan 1943
8-Month
23.80"
(604.52mm)
22.18"
(563.37mm)
1.62"
(41.15mm)
85th Driest
Driest since:
1977
44th Wettest
Wettest since:
2019
May 1942–Jan 1943
9-Month
28.47"
(723.14mm)
26.22"
(665.99mm)
2.25"
(57.15mm)
85th Driest
Driest since:
1977
44th Wettest
Wettest since:
1994
Apr 1942–Jan 1943
10-Month
29.54"
(750.32mm)
29.17"
(740.92mm)
0.37"
(9.40mm)
65th Driest
Driest since:
1911
64th Wettest
Wettest since:
1994
Mar 1942–Jan 1943
11-Month
31.53"
(800.86mm)
31.14"
(790.96mm)
0.39"
(9.90mm)
68th Driest
Driest since:
1911
61st Wettest
Wettest since:
1994
Feb 1942–Jan 1943
12-Month
32.62"
(828.55mm)
32.15"
(816.61mm)
0.47"
(11.94mm)
72nd Driest
Driest since:
1911
57th Wettest
Wettest since:
1994
Aug 1941–Jan 1943
18-Month
52.27"
(1,327.66mm)
45.86"
(1,164.84mm)
6.41"
(162.82mm)
106th Driest
Driest since:
1957
22nd Wettest
Wettest since:
2020
Feb 1941–Jan 1943
24-Month
67.81"
(1,722.37mm)
64.28"
(1,632.71mm)
3.53"
(89.66mm)
85th Driest
Driest since:
1990
43rd Wettest
Wettest since:
2020
Feb 1940–Jan 1943
36-Month
99.20"
(2,519.68mm)
96.29"
(2,445.77mm)
2.91"
(73.91mm)
78th Driest
Driest since:
1958
49th Wettest
Wettest since:
2011
Ties: 1944
Feb 1939–Jan 1943
48-Month
123.65"
(3,140.71mm)
128.27"
(3,258.06mm)
-4.62"
(-117.35mm)
36th Driest
Driest since:
1959
90th Wettest
Wettest since:
2011
Feb 1938–Jan 1943
60-Month
159.73"
(4,057.14mm)
160.30"
(4,071.62mm)
-0.57"
(-14.48mm)
58th Driest
Driest since:
1957
67th Wettest
Wettest since:
2011

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