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, November 1989

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
November 1989
1-Month
0.27"
(6.86mm)
1.75"
(44.45mm)
-1.48"
(-37.59mm)
8th Driest
Driest since:
1976
121st Wettest
Wettest since:
1931
Ties: 1917, 1969
Oct–Nov 1989
2-Month
2.19"
(55.63mm)
4.04"
(102.62mm)
-1.85"
(-46.99mm)
18th Driest
Driest since:
1910
111th Wettest
Wettest since:
1931
Sep–Nov 1989
3-Month
7.03"
(178.56mm)
7.71"
(195.83mm)
-0.68"
(-17.27mm)
55th Driest
Driest since:
1953
74th Wettest
Wettest since:
1931
Ties: 1951
Aug–Nov 1989
4-Month
10.61"
(269.49mm)
11.55"
(293.37mm)
-0.94"
(-23.88mm)
51st Driest
Driest since:
1976
78th Wettest
Wettest since:
2018
Jul–Nov 1989
5-Month
13.95"
(354.33mm)
15.41"
(391.41mm)
-1.46"
(-37.08mm)
45th Driest
Driest since:
1976
84th Wettest
Wettest since:
1993
Jun–Nov 1989
6-Month
17.31"
(439.67mm)
20.04"
(509.02mm)
-2.73"
(-69.35mm)
34th Driest
Driest since:
1976
95th Wettest
Wettest since:
1993
May–Nov 1989
7-Month
19.88"
(504.95mm)
24.09"
(611.89mm)
-4.21"
(-106.94mm)
22nd Driest
Driest since:
1976
107th Wettest
Wettest since:
1993
Apr–Nov 1989
8-Month
21.97"
(558.04mm)
27.03"
(686.56mm)
-5.06"
(-128.52mm)
17th Driest
Driest since:
1910
112th Wettest
Wettest since:
1993
Mar–Nov 1989
9-Month
22.87"
(580.90mm)
28.99"
(736.35mm)
-6.12"
(-155.45mm)
14th Driest
Driest since:
1910
115th Wettest
Wettest since:
1993
Feb–Nov 1989
10-Month
23.41"
(594.61mm)
30.00"
(762.00mm)
-6.59"
(-167.39mm)
12th Driest
Driest since:
1910
117th Wettest
Wettest since:
1993
Jan–Nov 1989
11-Month
24.33"
(617.98mm)
30.98"
(786.89mm)
-6.65"
(-168.91mm)
12th Driest
Driest since:
1910
117th Wettest
Wettest since:
1993
Dec 1988–Nov 1989
12-Month
25.13"
(638.30mm)
32.08"
(814.83mm)
-6.95"
(-176.53mm)
10th Driest
Driest since:
1910
118th Wettest
Wettest since:
1993
Jun 1988–Nov 1989
18-Month
40.11"
(1,018.79mm)
52.18"
(1,325.37mm)
-12.07"
(-306.58mm)
2nd Driest
Driest since:
1956
126th Wettest
Wettest since:
2019
Dec 1987–Nov 1989
24-Month
47.61"
(1,209.29mm)
64.24"
(1,631.70mm)
-16.63"
(-422.41mm)
2nd Driest
Driest since:
1956
125th Wettest
Wettest since:
2019
Dec 1986–Nov 1989
36-Month
79.47"
(2,018.54mm)
96.35"
(2,447.29mm)
-16.88"
(-428.75mm)
2nd Driest
Driest since:
1957
124th Wettest
Wettest since:
2010
Dec 1985–Nov 1989
48-Month
119.83"
(3,043.68mm)
128.38"
(3,260.85mm)
-8.55"
(-217.17mm)
18th Driest
Driest since:
1958
107th Wettest
Wettest since:
2010
Dec 1984–Nov 1989
60-Month
151.81"
(3,855.97mm)
160.36"
(4,073.14mm)
-8.55"
(-217.17mm)
19th Driest
Driest since:
1956
105th Wettest
Wettest since:
2010

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