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, February 1947

View Period (Months):
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
February 1947
1-Month
0.30"
(7.62mm)
1.02"
(25.91mm)
-0.72"
(-18.29mm)
7th Driest
Driest since:
1970
122nd Wettest
Wettest since:
1915
Ties: 1991
Jan–Feb 1947
2-Month
1.73"
(43.94mm)
1.99"
(50.55mm)
-0.26"
(-6.61mm)
50th Driest
Driest since:
1970
79th Wettest
Wettest since:
1915
Ties: 1901
Dec 1946–Feb 1947
3-Month
2.35"
(59.69mm)
3.09"
(78.49mm)
-0.74"
(-18.80mm)
25th Driest
Driest since:
1964
103rd Wettest
Wettest since:
2016
Ties: 1930
Nov 1946–Feb 1947
4-Month
4.08"
(103.63mm)
4.84"
(122.94mm)
-0.76"
(-19.31mm)
42nd Driest
Driest since:
1977
86th Wettest
Wettest since:
1932
Ties: 1908, 1978
Oct 1946–Feb 1947
5-Month
7.39"
(187.71mm)
7.15"
(181.61mm)
0.24"
(6.10mm)
73rd Driest
Driest since:
1977
55th Wettest
Wettest since:
1932
Sep 1946–Feb 1947
6-Month
12.41"
(315.21mm)
10.85"
(275.59mm)
1.56"
(39.62mm)
88th Driest
Driest since:
1977
40th Wettest
Wettest since:
1932
Aug 1946–Feb 1947
7-Month
16.01"
(406.65mm)
14.71"
(373.63mm)
1.30"
(33.02mm)
83rd Driest
Driest since:
1977
45th Wettest
Wettest since:
2019
Jul 1946–Feb 1947
8-Month
18.49"
(469.65mm)
18.59"
(472.19mm)
-0.10"
(-2.54mm)
71st Driest
Driest since:
1977
57th Wettest
Wettest since:
2019
Jun 1946–Feb 1947
9-Month
24.74"
(628.40mm)
23.19"
(589.03mm)
1.55"
(39.37mm)
84th Driest
Driest since:
1977
44th Wettest
Wettest since:
2019
May 1946–Feb 1947
10-Month
29.26"
(743.20mm)
27.24"
(691.90mm)
2.02"
(51.30mm)
81st Driest
Driest since:
1977
47th Wettest
Wettest since:
2019
Apr 1946–Feb 1947
11-Month
30.40"
(772.16mm)
30.19"
(766.83mm)
0.21"
(5.33mm)
64th Driest
Driest since:
1977
64th Wettest
Wettest since:
1994
Mar 1946–Feb 1947
12-Month
34.43"
(874.52mm)
32.15"
(816.61mm)
2.28"
(57.91mm)
81st Driest
Driest since:
1989
47th Wettest
Wettest since:
1994
Sep 1945–Feb 1947
18-Month
44.38"
(1,127.25mm)
43.01"
(1,092.45mm)
1.37"
(34.80mm)
74th Driest
Driest since:
1957
53rd Wettest
Wettest since:
1994
Mar 1945–Feb 1947
24-Month
68.69"
(1,744.73mm)
64.28"
(1,632.71mm)
4.41"
(112.02mm)
89th Driest
Driest since:
1957
38th Wettest
Wettest since:
2020
Mar 1944–Feb 1947
36-Month
105.30"
(2,674.62mm)
96.29"
(2,445.77mm)
9.01"
(228.85mm)
102nd Driest
Driest since:
1958
24th Wettest
Wettest since:
2011
Mar 1943–Feb 1947
48-Month
137.01"
(3,480.05mm)
128.28"
(3,258.31mm)
8.73"
(221.74mm)
94th Driest
Driest since:
1959
31st Wettest
Wettest since:
2011
Mar 1942–Feb 1947
60-Month
169.31"
(4,300.47mm)
160.31"
(4,071.87mm)
9.00"
(228.60mm)
88th Driest
Driest since:
1957
36th Wettest
Wettest since:
2011

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