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, October 1951

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
October 1951
1-Month 		3.97"
(100.84mm)		 2.61"
(66.29mm)		 1.36"
(34.55mm)		 101st Driest
Driest since:
 1964
28th Wettest
Wettest since:
 1941
Sep–Oct 1951
2-Month 		5.43"
(137.92mm)		 6.52"
(165.61mm)		 -1.09"
(-27.69mm)		 52nd Driest
Driest since:
 1952
77th Wettest
Wettest since:
 1941
Aug–Oct 1951
3-Month 		10.97"
(278.64mm)		 10.24"
(260.10mm)		 0.73"
(18.54mm)		 81st Driest
Driest since:
 1953
48th Wettest
Wettest since:
 1970
Jul–Oct 1951
4-Month 		15.52"
(394.21mm)		 14.23"
(361.44mm)		 1.29"
(32.77mm)		 82nd Driest
Driest since:
 1953
47th Wettest
Wettest since:
 1902
Jun–Oct 1951
5-Month 		22.24"
(564.90mm)		 18.83"
(478.28mm)		 3.41"
(86.62mm)		 97th Driest
Driest since:
 1953
32nd Wettest
Wettest since:
 2010
May–Oct 1951
6-Month 		28.04"
(712.22mm)		 22.88"
(581.15mm)		 5.16"
(131.07mm)		 104th Driest
Driest since:
 1953
25th Wettest
Wettest since:
 2010
Apr–Oct 1951
7-Month 		31.55"
(801.37mm)		 26.22"
(665.99mm)		 5.33"
(135.38mm)		 103rd Driest
Driest since:
 1953
26th Wettest
Wettest since:
 2010
Mar–Oct 1951
8-Month 		36.17"
(918.72mm)		 28.57"
(725.68mm)		 7.60"
(193.04mm)		 114th Driest
Driest since:
 1988
15th Wettest
Wettest since:
 2010
Feb–Oct 1951
9-Month 		38.70"
(982.98mm)		 29.80"
(756.92mm)		 8.90"
(226.06mm)		 117th Driest
Driest since:
 1988
12th Wettest
Wettest since:
 2010
Jan–Oct 1951
10-Month 		39.49"
(1,003.05mm)		 31.12"
(790.45mm)		 8.37"
(212.60mm)		 116th Driest
Driest since:
 1988
13th Wettest
Wettest since:
 2010
Dec 1950–Oct 1951
11-Month 		40.21"
(1,021.33mm)		 32.62"
(828.55mm)		 7.59"
(192.78mm)		 113th Driest
Driest since:
 1901
15th Wettest
Wettest since:
 2010
Nov 1950–Oct 1951
12-Month 		41.07"
(1,043.18mm)		 34.73"
(882.14mm)		 6.34"
(161.04mm)		 109th Driest
Driest since:
 1956
19th Wettest
Wettest since:
 1993
May 1950–Oct 1951
18-Month 		57.78"
(1,467.61mm)		 57.61"
(1,463.29mm)		 0.17"
(4.32mm)		 63rd Driest
Driest since:
 1956
65th Wettest
Wettest since:
 2010
Nov 1949–Oct 1951
24-Month 		70.45"
(1,789.43mm)		 69.50"
(1,765.30mm)		 0.95"
(24.13mm)		 72nd Driest
Driest since:
 1956
55th Wettest
Wettest since:
 2010
Nov 1948–Oct 1951
36-Month 		105.03"
(2,667.76mm)		 104.21"
(2,646.93mm)		 0.82"
(20.83mm)		 63rd Driest
Driest since:
 1989
63rd Wettest
Wettest since:
 2010
Nov 1947–Oct 1951
48-Month 		135.90"
(3,451.86mm)		 138.84"
(3,526.54mm)		 -2.94"
(-74.68mm)		 49th Driest
Driest since:
 1956
76th Wettest
Wettest since:
 2010
Nov 1946–Oct 1951
60-Month 		173.91"
(4,417.31mm)		 173.39"
(4,404.11mm)		 0.52"
(13.20mm)		 63rd Driest
Driest since:
 1956
61st Wettest
Wettest since:
 2011

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