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, March 1957

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
March 1957
1-Month 		2.52"
(64.01mm)		 2.35"
(59.69mm)		 0.17"
(4.32mm)		 76th Driest
Driest since:
 1918
53rd Wettest
Wettest since:
 1990
Feb–Mar 1957
2-Month 		3.11"
(78.99mm)		 3.58"
(90.93mm)		 -0.47"
(-11.94mm)		 49th Driest
Driest since:
 1958
80th Wettest
Wettest since:
 1998
Jan–Mar 1957
3-Month 		4.13"
(104.90mm)		 4.91"
(124.71mm)		 -0.78"
(-19.81mm)		 50th Driest
Driest since:
 1956
79th Wettest
Wettest since:
 1998
Dec 1956–Mar 1957
4-Month 		5.05"
(128.27mm)		 6.40"
(162.56mm)		 -1.35"
(-34.29mm)		 26th Driest
Driest since:
 1956
102nd Wettest
Wettest since:
 1998
Ties: 1981
Nov 1956–Mar 1957
5-Month 		6.19"
(157.23mm)		 8.52"
(216.41mm)		 -2.33"
(-59.18mm)		 20th Driest
Driest since:
 1956
108th Wettest
Wettest since:
 1993
Oct 1956–Mar 1957
6-Month 		7.03"
(178.56mm)		 11.15"
(283.21mm)		 -4.12"
(-104.65mm)		 7th Driest
Driest since:
 1956
121st Wettest
Wettest since:
 1985
Sep 1956–Mar 1957
7-Month 		7.73"
(196.34mm)		 15.07"
(382.78mm)		 -7.34"
(-186.44mm)		 1st Driest
Driest to Date
 1957
127th Wettest
Wettest since:
 1962
Aug 1956–Mar 1957
8-Month 		13.18"
(334.77mm)		 18.81"
(477.77mm)		 -5.63"
(-143.00mm)		 11th Driest
Driest since:
 1954
117th Wettest
Wettest since:
 2019
Jul 1956–Mar 1957
9-Month 		17.46"
(443.48mm)		 22.79"
(578.87mm)		 -5.33"
(-135.39mm)		 17th Driest
Driest since:
 1954
111th Wettest
Wettest since:
 1993
Jun 1956–Mar 1957
10-Month 		19.86"
(504.44mm)		 27.34"
(694.44mm)		 -7.48"
(-190.00mm)		 8th Driest
Driest since:
 1902
120th Wettest
Wettest since:
 1903
May 1956–Mar 1957
11-Month 		21.40"
(543.56mm)		 31.40"
(797.56mm)		 -10.00"
(-254.00mm)		 5th Driest
Driest since:
 1902
123rd Wettest
Wettest since:
 2011
Apr 1956–Mar 1957
12-Month 		22.90"
(581.66mm)		 34.74"
(882.40mm)		 -11.84"
(-300.74mm)		 4th Driest
Driest since:
 1902
124th Wettest
Wettest since:
 2011
Oct 1955–Mar 1957
18-Month 		27.65"
(702.31mm)		 45.91"
(1,166.11mm)		 -18.26"
(-463.80mm)		 1st Driest
Driest to Date
 1957
126th Wettest
Wettest since:
 2011
Apr 1955–Mar 1957
24-Month 		48.15"
(1,223.01mm)		 69.47"
(1,764.54mm)		 -21.32"
(-541.53mm)		 1st Driest
Driest to Date
 1957
126th Wettest
Wettest since:
 2011
Apr 1954–Mar 1957
36-Month 		82.91"
(2,105.91mm)		 104.12"
(2,644.65mm)		 -21.21"
(-538.74mm)		 5th Driest
Driest since:
 1956
121st Wettest
Wettest since:
 2011
Apr 1953–Mar 1957
48-Month 		102.06"
(2,592.32mm)		 138.67"
(3,522.22mm)		 -36.61"
(-929.90mm)		 1st Driest
Driest to Date
 1957
124th Wettest
Wettest since:
 2011
Apr 1952–Mar 1957
60-Month 		136.65"
(3,470.91mm)		 173.27"
(4,401.06mm)		 -36.62"
(-930.15mm)		 2nd Driest
Driest to Date
 1958
122nd Wettest
Wettest since:
 2012

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