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, December 2002

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
December 2002
1-Month
0.24"
(6.10mm)
1.11"
(28.19mm)
-0.87"
(-22.09mm)
1st Driest
Driest since:
2002
127th Wettest
Wettest since:
2015
Nov–Dec 2002
2-Month
0.46"
(11.68mm)
2.87"
(72.90mm)
-2.41"
(-61.22mm)
2nd Driest
Driest since:
1976
126th Wettest
Wettest since:
2015
Oct–Dec 2002
3-Month
4.04"
(102.62mm)
5.16"
(131.06mm)
-1.12"
(-28.44mm)
39th Driest
Driest since:
1910
89th Wettest
Wettest since:
1931
Ties: 1965
Sep–Dec 2002
4-Month
5.75"
(146.05mm)
8.83"
(224.28mm)
-3.08"
(-78.23mm)
17th Driest
Driest since:
1939, 1976
111th Wettest
Wettest since:
1931
Aug–Dec 2002
5-Month
11.56"
(293.62mm)
12.67"
(321.82mm)
-1.11"
(-28.20mm)
49th Driest
Driest since:
1976
79th Wettest
Wettest since:
2018
Jul–Dec 2002
6-Month
15.80"
(401.32mm)
16.52"
(419.61mm)
-0.72"
(-18.29mm)
57th Driest
Driest since:
1976
71st Wettest
Wettest since:
2018
Jun–Dec 2002
7-Month
19.31"
(490.47mm)
21.15"
(537.21mm)
-1.84"
(-46.74mm)
46th Driest
Driest since:
1976
82nd Wettest
Wettest since:
2018
May–Dec 2002
8-Month
23.41"
(594.61mm)
25.20"
(640.08mm)
-1.79"
(-45.47mm)
41st Driest
Driest since:
1976
87th Wettest
Wettest since:
1993
Apr–Dec 2002
9-Month
27.03"
(686.56mm)
28.15"
(715.01mm)
-1.12"
(-28.45mm)
52nd Driest
Driest since:
1910
76th Wettest
Wettest since:
1993
Mar–Dec 2002
10-Month
28.19"
(716.03mm)
30.10"
(764.54mm)
-1.91"
(-48.51mm)
45th Driest
Driest since:
1910
83rd Wettest
Wettest since:
1993
Feb–Dec 2002
11-Month
29.08"
(738.63mm)
31.12"
(790.45mm)
-2.04"
(-51.82mm)
46th Driest
Driest since:
1910
82nd Wettest
Wettest since:
1993
Jan–Dec 2002
12-Month
29.48"
(748.79mm)
32.09"
(815.09mm)
-2.61"
(-66.30mm)
36th Driest
Driest since:
1910
92nd Wettest
Wettest since:
1993
Jul 2001–Dec 2002
18-Month
44.48"
(1,129.79mm)
48.69"
(1,236.73mm)
-4.21"
(-106.94mm)
33rd Driest
Driest since:
1956
94th Wettest
Wettest since:
1993
Jan 2001–Dec 2002
24-Month
64.07"
(1,627.38mm)
64.24"
(1,631.70mm)
-0.17"
(-4.32mm)
66th Driest
Driest since:
1989
61st Wettest
Wettest since:
2019
Jan 2000–Dec 2002
36-Month
93.80"
(2,382.52mm)
96.36"
(2,447.54mm)
-2.56"
(-65.02mm)
44th Driest
Driest since:
1957
82nd Wettest
Wettest since:
2010
Jan 1999–Dec 2002
48-Month
126.08"
(3,202.43mm)
128.37"
(3,260.60mm)
-2.29"
(-58.17mm)
45th Driest
Driest since:
1958
80th Wettest
Wettest since:
2010
Jan 1998–Dec 2002
60-Month
165.65"
(4,207.51mm)
160.36"
(4,073.14mm)
5.29"
(134.37mm)
78th Driest
Driest since:
1956
46th Wettest
Wettest since:
2010

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