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 1991

View Period (Months):
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
November 1991
1-Month
4.36"
(110.74mm)
1.75"
(44.45mm)
2.61"
(66.29mm)
122nd Driest
Driest since:
1976
6th Wettest
Wettest since:
1931
Oct–Nov 1991
2-Month
7.28"
(184.91mm)
4.04"
(102.62mm)
3.24"
(82.29mm)
120th Driest
Driest since:
1910
8th Wettest
Wettest since:
1931
Sep–Nov 1991
3-Month
10.07"
(255.78mm)
7.71"
(195.83mm)
2.36"
(59.95mm)
107th Driest
Driest since:
1953
21st Wettest
Wettest since:
1931
Aug–Nov 1991
4-Month
13.52"
(343.41mm)
11.55"
(293.37mm)
1.97"
(50.04mm)
94th Driest
Driest since:
1976
34th Wettest
Wettest since:
2018
Jul–Nov 1991
5-Month
15.84"
(402.34mm)
15.41"
(391.41mm)
0.43"
(10.93mm)
75th Driest
Driest since:
1976
53rd Wettest
Wettest since:
1993
Jun–Nov 1991
6-Month
19.98"
(507.49mm)
20.04"
(509.02mm)
-0.06"
(-1.53mm)
62nd Driest
Driest since:
1976
66th Wettest
Wettest since:
1993
May–Nov 1991
7-Month
25.17"
(639.32mm)
24.09"
(611.89mm)
1.08"
(27.43mm)
74th Driest
Driest since:
1976
54th Wettest
Wettest since:
1993
Apr–Nov 1991
8-Month
31.00"
(787.40mm)
27.03"
(686.56mm)
3.97"
(100.84mm)
98th Driest
Driest since:
1910
30th Wettest
Wettest since:
1993
Mar–Nov 1991
9-Month
35.19"
(893.83mm)
28.99"
(736.35mm)
6.20"
(157.48mm)
111th Driest
Driest since:
1910
17th Wettest
Wettest since:
1993
Feb–Nov 1991
10-Month
35.49"
(901.45mm)
30.00"
(762.00mm)
5.49"
(139.45mm)
104th Driest
Driest since:
1910
24th Wettest
Wettest since:
1993
Jan–Nov 1991
11-Month
36.26"
(921.00mm)
30.98"
(786.89mm)
5.28"
(134.11mm)
107th Driest
Driest since:
1910
21st Wettest
Wettest since:
1993
Dec 1990–Nov 1991
12-Month
37.76"
(959.10mm)
32.08"
(814.83mm)
5.68"
(144.27mm)
105th Driest
Driest since:
1910
22nd Wettest
Wettest since:
1993
Jun 1990–Nov 1991
18-Month
61.33"
(1,557.78mm)
52.18"
(1,325.37mm)
9.15"
(232.41mm)
112th Driest
Driest since:
1956
15th Wettest
Wettest since:
2019
Dec 1989–Nov 1991
24-Month
75.53"
(1,918.46mm)
64.24"
(1,631.70mm)
11.29"
(286.76mm)
112th Driest
Driest since:
1956
14th Wettest
Wettest since:
2019
Dec 1988–Nov 1991
36-Month
100.66"
(2,556.76mm)
96.35"
(2,447.29mm)
4.31"
(109.47mm)
82nd Driest
Driest since:
1957
43rd Wettest
Wettest since:
2010
Ties: 1943
Dec 1987–Nov 1991
48-Month
123.14"
(3,127.76mm)
128.38"
(3,260.85mm)
-5.24"
(-133.09mm)
33rd Driest
Driest since:
1958
91st Wettest
Wettest since:
2010
Dec 1986–Nov 1991
60-Month
155.00"
(3,937.00mm)
160.36"
(4,073.14mm)
-5.36"
(-136.14mm)
31st Driest
Driest since:
1956
92nd Wettest
Wettest since:
2010
Ties: 1943

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