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 1949

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
January 1949
1-Month
2.70"
(68.58mm)
0.98"
(24.89mm)
1.72"
(43.69mm)
128th Driest
Driest since:
1981
1st Wettest
Wettest to Date
1949
Dec 1948–Jan 1949
2-Month
4.38"
(111.25mm)
2.08"
(52.83mm)
2.30"
(58.42mm)
126th Driest
Driest since:
2003
2nd Wettest
Wettest to Date
2016
Nov 1948–Jan 1949
3-Month
7.10"
(180.34mm)
3.82"
(97.03mm)
3.28"
(83.31mm)
123rd Driest
Driest since:
2003
5th Wettest
Wettest since:
1932
Oct 1948–Jan 1949
4-Month
9.02"
(229.11mm)
6.13"
(155.70mm)
2.89"
(73.41mm)
115th Driest
Driest since:
1911
13th Wettest
Wettest since:
1932
Sep 1948–Jan 1949
5-Month
11.05"
(280.67mm)
9.83"
(249.68mm)
1.22"
(30.99mm)
84th Driest
Driest since:
1977
44th Wettest
Wettest since:
1932
Ties: 1939
Aug 1948–Jan 1949
6-Month
13.67"
(347.22mm)
13.69"
(347.73mm)
-0.02"
(-0.51mm)
68th Driest
Driest since:
1977
60th Wettest
Wettest since:
2019
Jul 1948–Jan 1949
7-Month
17.96"
(456.18mm)
17.57"
(446.28mm)
0.39"
(9.90mm)
74th Driest
Driest since:
1977
54th Wettest
Wettest since:
2019
Jun 1948–Jan 1949
8-Month
21.49"
(545.85mm)
22.18"
(563.37mm)
-0.69"
(-17.52mm)
58th Driest
Driest since:
1977
70th Wettest
Wettest since:
2019
May 1948–Jan 1949
9-Month
23.80"
(604.52mm)
26.22"
(665.99mm)
-2.42"
(-61.47mm)
37th Driest
Driest since:
1977
91st Wettest
Wettest since:
1994
Ties: 2003
Apr 1948–Jan 1949
10-Month
26.46"
(672.08mm)
29.17"
(740.92mm)
-2.71"
(-68.84mm)
39th Driest
Driest since:
1911
89th Wettest
Wettest since:
1994
Mar 1948–Jan 1949
11-Month
28.97"
(735.84mm)
31.14"
(790.96mm)
-2.17"
(-55.12mm)
44th Driest
Driest since:
1911
84th Wettest
Wettest since:
1994
Feb 1948–Jan 1949
12-Month
30.84"
(783.34mm)
32.15"
(816.61mm)
-1.31"
(-33.27mm)
52nd Driest
Driest since:
1911
76th Wettest
Wettest since:
1994
Aug 1947–Jan 1949
18-Month
41.89"
(1,064.01mm)
45.86"
(1,164.84mm)
-3.97"
(-100.83mm)
34th Driest
Driest since:
1957
93rd Wettest
Wettest since:
2020
Ties: 1905
Feb 1947–Jan 1949
24-Month
64.23"
(1,631.44mm)
64.28"
(1,632.71mm)
-0.05"
(-1.27mm)
64th Driest
Driest since:
1990
63rd Wettest
Wettest since:
2020
Feb 1946–Jan 1949
36-Month
98.73"
(2,507.74mm)
96.29"
(2,445.77mm)
2.44"
(61.97mm)
73rd Driest
Driest since:
1958
53rd Wettest
Wettest since:
2011
Feb 1945–Jan 1949
48-Month
134.06"
(3,405.12mm)
128.27"
(3,258.06mm)
5.79"
(147.06mm)
83rd Driest
Driest since:
1959
42nd Wettest
Wettest since:
2011
Feb 1944–Jan 1949
60-Month
170.32"
(4,326.13mm)
160.30"
(4,071.62mm)
10.02"
(254.51mm)
91st Driest
Driest since:
1957
33rd Wettest
Wettest since:
2011

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