Divisional Rankings

Divisional 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, Climate Division 9. Southeast

Precipitation Rankings, December 1966

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
December 1966
1-Month 		1.64"
(41.66mm)		 1.51"
(38.35mm)		 0.13"
(3.31mm)		 74th Driest
Driest since:
 1976
55th Wettest
Wettest since:
 2015
Nov–Dec 1966
2-Month 		2.36"
(59.94mm)		 3.62"
(91.95mm)		 -1.26"
(-32.01mm)		 36th Driest
Driest since:
 1976
93rd Wettest
Wettest since:
 2015
Oct–Dec 1966
3-Month 		5.49"
(139.45mm)		 6.23"
(158.24mm)		 -0.74"
(-18.79mm)		 48th Driest
Driest since:
 1910
81st Wettest
Wettest since:
 1941
Sep–Dec 1966
4-Month 		7.81"
(198.37mm)		 10.15"
(257.81mm)		 -2.34"
(-59.44mm)		 39th Driest
Driest since:
 1950
90th Wettest
Wettest since:
 1961
Aug–Dec 1966
5-Month 		8.78"
(223.01mm)		 13.87"
(352.30mm)		 -5.09"
(-129.29mm)		 11th Driest
Driest since:
 1953
118th Wettest
Wettest since:
 1970
Jul–Dec 1966
6-Month 		11.64"
(295.66mm)		 17.85"
(453.39mm)		 -6.21"
(-157.73mm)		 14th Driest
Driest since:
 1953
115th Wettest
Wettest since:
 1902
Jun–Dec 1966
7-Month 		16.75"
(425.45mm)		 22.46"
(570.48mm)		 -5.71"
(-145.03mm)		 21st Driest
Driest since:
 1953
108th Wettest
Wettest since:
 1902
May–Dec 1966
8-Month 		21.80"
(553.72mm)		 26.50"
(673.10mm)		 -4.70"
(-119.38mm)		 28th Driest
Driest since:
 1953
101st Wettest
Wettest since:
 2010
Apr–Dec 1966
9-Month 		25.36"
(644.14mm)		 29.84"
(757.94mm)		 -4.48"
(-113.80mm)		 33rd Driest
Driest since:
 1953
96th Wettest
Wettest since:
 2010
Mar–Dec 1966
10-Month 		26.86"
(682.24mm)		 32.19"
(817.63mm)		 -5.33"
(-135.39mm)		 27th Driest
Driest since:
 1901
102nd Wettest
Wettest since:
 2010
Feb–Dec 1966
11-Month 		27.40"
(695.96mm)		 33.42"
(848.87mm)		 -6.02"
(-152.91mm)		 21st Driest
Driest since:
 1901
108th Wettest
Wettest since:
 2010
Jan–Dec 1966
12-Month 		28.45"
(722.63mm)		 34.75"
(882.65mm)		 -6.30"
(-160.02mm)		 23rd Driest
Driest since:
 1901
106th Wettest
Wettest since:
 2010
Jul 1965–Dec 1966
18-Month 		54.35"
(1,380.49mm)		 52.63"
(1,336.80mm)		 1.72"
(43.69mm)		 80th Driest
Driest since:
 1956
48th Wettest
Wettest since:
 2010
Jan 1965–Dec 1966
24-Month 		74.16"
(1,883.66mm)		 69.50"
(1,765.30mm)		 4.66"
(118.36mm)		 87th Driest
Driest since:
 1989
41st Wettest
Wettest since:
 2010
Jan 1964–Dec 1966
36-Month 		102.57"
(2,605.28mm)		 104.23"
(2,647.44mm)		 -1.66"
(-42.16mm)		 51st Driest
Driest since:
 1989
76th Wettest
Wettest since:
 2010
Jan 1963–Dec 1966
48-Month 		130.40"
(3,312.16mm)		 138.86"
(3,527.04mm)		 -8.46"
(-214.88mm)		 25th Driest
Driest since:
 1956
101st Wettest
Wettest since:
 2010
Jan 1962–Dec 1966
60-Month 		161.70"
(4,107.18mm)		 173.41"
(4,404.61mm)		 -11.71"
(-297.43mm)		 22nd Driest
Driest since:
 1956
103rd Wettest
Wettest since:
 2011

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