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 2009

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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
November 2009
1-Month
1.19"
(30.23mm)
1.75"
(44.45mm)
-0.56"
(-14.22mm)
45th Driest
Driest since:
1976
84th Wettest
Wettest since:
1931
Ties: 1899, 1968
Oct–Nov 2009
2-Month
7.54"
(191.52mm)
4.04"
(102.62mm)
3.50"
(88.90mm)
125th Driest
Driest since:
1910
4th Wettest
Wettest since:
1931
Sep–Nov 2009
3-Month
9.27"
(235.46mm)
7.71"
(195.83mm)
1.56"
(39.63mm)
97th Driest
Driest since:
1953
32nd Wettest
Wettest since:
1931
Aug–Nov 2009
4-Month
15.02"
(381.51mm)
11.55"
(293.37mm)
3.47"
(88.14mm)
112th Driest
Driest since:
1976
17th Wettest
Wettest since:
2018
Jul–Nov 2009
5-Month
19.64"
(498.86mm)
15.41"
(391.41mm)
4.23"
(107.45mm)
108th Driest
Driest since:
1976
21st Wettest
Wettest since:
1993
Jun–Nov 2009
6-Month
24.93"
(633.22mm)
20.04"
(509.02mm)
4.89"
(124.20mm)
113th Driest
Driest since:
1976
16th Wettest
Wettest since:
1993
May–Nov 2009
7-Month
28.57"
(725.68mm)
24.09"
(611.89mm)
4.48"
(113.79mm)
106th Driest
Driest since:
1976
23rd Wettest
Wettest since:
1993
Apr–Nov 2009
8-Month
32.17"
(817.12mm)
27.03"
(686.56mm)
5.14"
(130.56mm)
107th Driest
Driest since:
1910
22nd Wettest
Wettest since:
1993
Mar–Nov 2009
9-Month
35.14"
(892.56mm)
28.99"
(736.35mm)
6.15"
(156.21mm)
111th Driest
Driest since:
1910
18th Wettest
Wettest since:
1993
Feb–Nov 2009
10-Month
35.93"
(912.62mm)
30.00"
(762.00mm)
5.93"
(150.62mm)
110th Driest
Driest since:
1910
19th Wettest
Wettest since:
1993
Jan–Nov 2009
11-Month
36.61"
(929.89mm)
30.98"
(786.89mm)
5.63"
(143.00mm)
110th Driest
Driest since:
1910
19th Wettest
Wettest since:
1993
Dec 2008–Nov 2009
12-Month
38.49"
(977.65mm)
32.08"
(814.83mm)
6.41"
(162.82mm)
110th Driest
Driest since:
1910
18th Wettest
Wettest since:
1993
Jun 2008–Nov 2009
18-Month
64.35"
(1,634.49mm)
52.18"
(1,325.37mm)
12.17"
(309.12mm)
119th Driest
Driest since:
1956
9th Wettest
Wettest since:
2019
Dec 2007–Nov 2009
24-Month
81.97"
(2,082.04mm)
64.24"
(1,631.70mm)
17.73"
(450.34mm)
122nd Driest
Driest since:
1956
5th Wettest
Wettest since:
2019
Dec 2006–Nov 2009
36-Month
124.03"
(3,150.36mm)
96.35"
(2,447.29mm)
27.68"
(703.07mm)
124th Driest
Driest since:
1957
2nd Wettest
Wettest to Date
2010
Dec 2005–Nov 2009
48-Month
155.51"
(3,949.95mm)
128.38"
(3,260.85mm)
27.13"
(689.10mm)
119th Driest
Driest since:
1958
6th Wettest
Wettest since:
2010
Dec 2004–Nov 2009
60-Month
184.76"
(4,692.90mm)
160.36"
(4,073.14mm)
24.40"
(619.76mm)
114th Driest
Driest since:
1956
10th Wettest
Wettest since:
2010

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