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 1895

View Period (Months):
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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
October 1895
1-Month
0.48"
(12.19mm)
2.29"
(58.17mm)
-1.81"
(-45.98mm)
5th Driest
Driest since:
1952
124th Wettest
Wettest to Date
2009
Ties: 1953
Sep–Oct 1895
2-Month
3.60"
(91.44mm)
5.96"
(151.38mm)
-2.36"
(-59.94mm)
19th Driest
Driest since:
1952
110th Wettest
Wettest to Date
1941
Aug–Oct 1895
3-Month
8.02"
(203.71mm)
9.80"
(248.92mm)
-1.78"
(-45.21mm)
35th Driest
Driest since:
1953
94th Wettest
Wettest to Date
2018
Jul–Oct 1895
4-Month
11.27"
(286.26mm)
13.66"
(346.96mm)
-2.39"
(-60.70mm)
34th Driest
Driest since:
1953, 1976
95th Wettest
Wettest to Date
1993
Jun–Oct 1895
5-Month
15.45"
(392.43mm)
18.29"
(464.57mm)
-2.84"
(-72.14mm)
29th Driest
Driest since:
1976
100th Wettest
Wettest to Date
1993
May–Oct 1895
6-Month
18.65"
(473.71mm)
22.33"
(567.18mm)
-3.68"
(-93.47mm)
24th Driest
Driest since:
1976
105th Wettest
Wettest to Date
1993
Apr–Oct 1895
7-Month
21.21"
(538.73mm)
25.28"
(642.11mm)
-4.07"
(-103.38mm)
23rd Driest
Driest since:
1988
106th Wettest
Wettest to Date
1993
Mar–Oct 1895
8-Month
22.02"
(559.31mm)
27.23"
(691.64mm)
-5.21"
(-132.33mm)
17th Driest
Driest since:
1988
112th Wettest
Wettest to Date
1993
Feb–Oct 1895
9-Month
22.54"
(572.52mm)
28.25"
(717.55mm)
-5.71"
(-145.03mm)
13th Driest
Driest since:
1988
116th Wettest
Wettest to Date
1993
Jan–Oct 1895
10-Month
23.40"
(594.36mm)
29.23"
(742.44mm)
-5.83"
(-148.08mm)
13th Driest
Driest since:
1988
116th Wettest
Wettest to Date
1993

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