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

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  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
December 2002
1-Month 		0.24"
(6.10mm)		 1.11"
(28.19mm)		 -0.87"
(-22.09mm)		 1st Driest
Driest to Date
 2002
128th 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
127th 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
90th 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
112th Wettest
Wettest since:
 1931
Aug–Dec 2002
5-Month 		11.56"
(293.62mm)		 12.67"
(321.82mm)		 -1.11"
(-28.20mm)		 50th 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)		 58th 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)		 47th 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)		 42nd 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)		 53rd 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)		 46th 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)		 47th 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)		 37th 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
95th Wettest
Wettest since:
 1993
Jan 2001–Dec 2002
24-Month 		64.07"
(1,627.38mm)		 64.24"
(1,631.70mm)		 -0.17"
(-4.32mm)		 67th 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)		 45th 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
81st 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
47th Wettest
Wettest since:
 2010

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