Divisional Rankings

Divisional 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, Climate Division 9. Southeast

Precipitation Rankings, February 1975

View Period (Months):
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
February 1975
1-Month
1.66"
(42.16mm)
1.23"
(31.24mm)
0.43"
(10.92mm)
94th Driest
Driest since:
1917
35th Wettest
Wettest since:
1911
Ties: 1990, 2000
Jan–Feb 1975
2-Month
2.88"
(73.15mm)
2.55"
(64.77mm)
0.33"
(8.38mm)
82nd Driest
Driest since:
1970
47th Wettest
Wettest since:
2001
Dec 1974–Feb 1975
3-Month
4.37"
(111.00mm)
4.04"
(102.62mm)
0.33"
(8.38mm)
74th Driest
Driest since:
1920
54th Wettest
Wettest since:
2001
Ties: 1919
Nov 1974–Feb 1975
4-Month
6.75"
(171.45mm)
6.16"
(156.46mm)
0.59"
(14.99mm)
78th Driest
Driest since:
1977
50th Wettest
Wettest since:
1993
Oct 1974–Feb 1975
5-Month
9.32"
(236.73mm)
8.79"
(223.27mm)
0.53"
(13.46mm)
79th Driest
Driest since:
1977
49th Wettest
Wettest since:
2019
Ties: 1936
Sep 1974–Feb 1975
6-Month
11.26"
(286.00mm)
12.71"
(322.83mm)
-1.45"
(-36.83mm)
52nd Driest
Driest since:
1957
76th Wettest
Wettest since:
1962
Aug 1974–Feb 1975
7-Month
16.12"
(409.45mm)
16.46"
(418.08mm)
-0.34"
(-8.63mm)
65th Driest
Driest since:
1954
63rd Wettest
Wettest since:
1971
Ties: 1949
Jul 1974–Feb 1975
8-Month
20.25"
(514.35mm)
20.44"
(519.18mm)
-0.19"
(-4.83mm)
66th Driest
Driest since:
1954
62nd Wettest
Wettest since:
1962
Jun 1974–Feb 1975
9-Month
25.23"
(640.84mm)
24.99"
(634.75mm)
0.24"
(6.09mm)
74th Driest
Driest since:
1954
54th Wettest
Wettest since:
1903
May 1974–Feb 1975
10-Month
33.17"
(842.52mm)
29.04"
(737.62mm)
4.13"
(104.90mm)
94th Driest
Driest since:
1954
34th Wettest
Wettest since:
2011
Apr 1974–Feb 1975
11-Month
35.64"
(905.26mm)
32.38"
(822.45mm)
3.26"
(82.81mm)
90th Driest
Driest since:
1954
38th Wettest
Wettest since:
2011
Mar 1974–Feb 1975
12-Month
38.49"
(977.65mm)
34.75"
(882.65mm)
3.74"
(95.00mm)
90th Driest
Driest since:
1902
38th Wettest
Wettest since:
2011
Sep 1973–Feb 1975
18-Month
57.06"
(1,449.32mm)
47.46"
(1,205.48mm)
9.60"
(243.84mm)
109th Driest
Driest since:
1957
18th Wettest
Wettest since:
1994
Mar 1973–Feb 1975
24-Month
91.01"
(2,311.65mm)
69.49"
(1,765.05mm)
21.52"
(546.60mm)
122nd Driest
Driest since:
1957
5th Wettest
Wettest to Date
2011
Mar 1972–Feb 1975
36-Month
127.60"
(3,241.04mm)
104.12"
(2,644.65mm)
23.48"
(596.39mm)
122nd Driest
Driest since:
1990
4th Wettest
Wettest to Date
2011
Mar 1971–Feb 1975
48-Month
156.23"
(3,968.24mm)
138.68"
(3,522.47mm)
17.55"
(445.77mm)
113th Driest
Driest since:
1957
12th Wettest
Wettest since:
2011
Mar 1970–Feb 1975
60-Month
202.07"
(5,132.58mm)
173.28"
(4,401.31mm)
28.79"
(731.27mm)
119th Driest
Driest since:
1957
5th Wettest
Wettest to Date
2012

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