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 1910

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
October 1910
1-Month
0.82"
(20.83mm)
2.29"
(58.17mm)
-1.47"
(-37.34mm)
11th Driest
Driest since:
1952
118th Wettest
Wettest since:
2009
Ties: 1924
Sep–Oct 1910
2-Month
4.56"
(115.82mm)
5.96"
(151.38mm)
-1.40"
(-35.56mm)
38th Driest
Driest since:
1952
91st Wettest
Wettest since:
1941
Aug–Oct 1910
3-Month
8.65"
(219.71mm)
9.80"
(248.92mm)
-1.15"
(-29.21mm)
44th Driest
Driest since:
1953
85th Wettest
Wettest since:
2018
Jul–Oct 1910
4-Month
10.50"
(266.70mm)
13.66"
(346.96mm)
-3.16"
(-80.26mm)
24th Driest
Driest since:
1953, 1976
105th Wettest
Wettest since:
1993
Jun–Oct 1910
5-Month
12.51"
(317.75mm)
18.29"
(464.57mm)
-5.78"
(-146.82mm)
6th Driest
Driest since:
1976
123rd Wettest
Wettest since:
1993
May–Oct 1910
6-Month
15.79"
(401.07mm)
22.33"
(567.18mm)
-6.54"
(-166.11mm)
7th Driest
Driest since:
1976
122nd Wettest
Wettest since:
1993
Apr–Oct 1910
7-Month
17.31"
(439.67mm)
25.28"
(642.11mm)
-7.97"
(-202.44mm)
2nd Driest
Driest since:
1988
127th Wettest
Wettest since:
1993
Mar–Oct 1910
8-Month
17.47"
(443.74mm)
27.23"
(691.64mm)
-9.76"
(-247.90mm)
2nd Driest
Driest since:
1988
127th Wettest
Wettest since:
1993
Feb–Oct 1910
9-Month
17.91"
(454.91mm)
28.25"
(717.55mm)
-10.34"
(-262.64mm)
2nd Driest
Driest since:
1988
127th Wettest
Wettest since:
1993
Jan–Oct 1910
10-Month
19.50"
(495.30mm)
29.23"
(742.44mm)
-9.73"
(-247.14mm)
2nd Driest
Driest since:
1988
127th Wettest
Wettest since:
1993
Dec 1909–Oct 1910
11-Month
21.67"
(550.42mm)
30.33"
(770.38mm)
-8.66"
(-219.96mm)
2nd Driest
Driest since:
1988
126th Wettest
Wettest since:
1993
Nov 1909–Oct 1910
12-Month
27.02"
(686.31mm)
32.07"
(814.58mm)
-5.05"
(-128.27mm)
15th Driest
Driest since:
1956
113th Wettest
Wettest since:
1993
May 1909–Oct 1910
18-Month
49.94"
(1,268.48mm)
54.47"
(1,383.54mm)
-4.53"
(-115.06mm)
30th Driest
Driest since:
1956
98th Wettest
Wettest since:
2019
Nov 1908–Oct 1910
24-Month
61.29"
(1,556.77mm)
64.23"
(1,631.44mm)
-2.94"
(-74.67mm)
43rd Driest
Driest since:
1956
84th Wettest
Wettest since:
1993
Nov 1907–Oct 1910
36-Month
95.90"
(2,435.86mm)
96.34"
(2,447.04mm)
-0.44"
(-11.18mm)
58th Driest
Driest since:
1957
68th Wettest
Wettest since:
2010
Nov 1906–Oct 1910
48-Month
129.02"
(3,277.11mm)
128.36"
(3,260.34mm)
0.66"
(16.77mm)
61st Driest
Driest since:
1958
64th Wettest
Wettest since:
2010
Nov 1905–Oct 1910
60-Month
160.46"
(4,075.68mm)
160.34"
(4,072.64mm)
0.12"
(3.04mm)
58th Driest
Driest since:
1956
66th Wettest
Wettest since:
2010

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