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, October 1902

View Period (Months):
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
October 1902
1-Month
2.33"
(59.18mm)
2.29"
(58.17mm)
0.04"
(1.01mm)
70th Driest
Driest since:
1952
59th Wettest
Wettest since:
2009
Sep–Oct 1902
2-Month
6.79"
(172.47mm)
5.96"
(151.38mm)
0.83"
(21.09mm)
85th Driest
Driest since:
1952
44th Wettest
Wettest since:
1941
Aug–Oct 1902
3-Month
13.51"
(343.15mm)
9.80"
(248.92mm)
3.71"
(94.23mm)
115th Driest
Driest since:
1953
14th Wettest
Wettest since:
2018
Jul–Oct 1902
4-Month
22.14"
(562.36mm)
13.66"
(346.96mm)
8.48"
(215.40mm)
126th Driest
Driest since:
1953, 1976
3rd Wettest
Wettest to Date
1993
Jun–Oct 1902
5-Month
29.27"
(743.46mm)
18.29"
(464.57mm)
10.98"
(278.89mm)
125th Driest
Driest since:
1976
4th Wettest
Wettest to Date
1993
May–Oct 1902
6-Month
34.81"
(884.17mm)
22.33"
(567.18mm)
12.48"
(316.99mm)
127th Driest
Driest since:
1976
2nd Wettest
Wettest to Date
1993
Apr–Oct 1902
7-Month
36.55"
(928.37mm)
25.28"
(642.11mm)
11.27"
(286.26mm)
126th Driest
Driest since:
1988
3rd Wettest
Wettest to Date
1993
Mar–Oct 1902
8-Month
37.99"
(964.95mm)
27.23"
(691.64mm)
10.76"
(273.31mm)
125th Driest
Driest since:
1988
4th Wettest
Wettest to Date
1993
Feb–Oct 1902
9-Month
38.67"
(982.22mm)
28.25"
(717.55mm)
10.42"
(264.67mm)
123rd Driest
Driest since:
1988
6th Wettest
Wettest to Date
1993
Jan–Oct 1902
10-Month
39.56"
(1,004.82mm)
29.23"
(742.44mm)
10.33"
(262.38mm)
123rd Driest
Driest since:
1988
6th Wettest
Wettest to Date
1993
Dec 1901–Oct 1902
11-Month
40.51"
(1,028.95mm)
30.33"
(770.38mm)
10.18"
(258.57mm)
121st Driest
Driest since:
1988
7th Wettest
Wettest to Date
1993
Nov 1901–Oct 1902
12-Month
41.34"
(1,050.04mm)
32.07"
(814.58mm)
9.27"
(235.46mm)
118th Driest
Driest since:
1956
10th Wettest
Wettest to Date
1993
May 1901–Oct 1902
18-Month
57.98"
(1,472.69mm)
54.47"
(1,383.54mm)
3.51"
(89.15mm)
83rd Driest
Driest since:
1956
45th Wettest
Wettest to Date
2019
Nov 1900–Oct 1902
24-Month
65.56"
(1,665.22mm)
64.23"
(1,631.44mm)
1.33"
(33.78mm)
70th Driest
Driest since:
1956
57th Wettest
Wettest to Date
1993
Nov 1899–Oct 1902
36-Month
102.28"
(2,597.91mm)
96.34"
(2,447.04mm)
5.94"
(150.87mm)
91st Driest
Driest since:
1957
35th Wettest
Wettest to Date
2010
Nov 1898–Oct 1902
48-Month
129.88"
(3,298.95mm)
128.36"
(3,260.34mm)
1.52"
(38.61mm)
68th Driest
Driest since:
1958
57th Wettest
Wettest to Date
2010
Nov 1897–Oct 1902
60-Month
160.30"
(4,071.62mm)
160.34"
(4,072.64mm)
-0.04"
(-1.02mm)
57th Driest
Driest since:
1956
67th Wettest
Wettest to Date
2010

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