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 1999

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
March 1999
1-Month 		1.32"
(33.53mm)		 2.35"
(59.69mm)		 -1.03"
(-26.16mm)		 26th Driest
Driest since:
 1918
103rd Wettest
Wettest since:
 1990
Ties: 1988
Feb–Mar 1999
2-Month 		2.35"
(59.69mm)		 3.58"
(90.93mm)		 -1.23"
(-31.24mm)		 25th Driest
Driest since:
 1958
104th Wettest
Wettest since:
 1998
Ties: 1907
Jan–Mar 1999
3-Month 		4.42"
(112.27mm)		 4.91"
(124.71mm)		 -0.49"
(-12.44mm)		 55th Driest
Driest since:
 1956
74th Wettest
Wettest since:
 1998
Ties: 1933
Dec 1998–Mar 1999
4-Month 		5.43"
(137.92mm)		 6.40"
(162.56mm)		 -0.97"
(-24.64mm)		 33rd Driest
Driest since:
 1956
95th Wettest
Wettest since:
 1998
Nov 1998–Mar 1999
5-Month 		8.14"
(206.76mm)		 8.52"
(216.41mm)		 -0.38"
(-9.65mm)		 59th Driest
Driest since:
 1956
69th Wettest
Wettest since:
 1993
Oct 1998–Mar 1999
6-Month 		14.68"
(372.87mm)		 11.15"
(283.21mm)		 3.53"
(89.66mm)		 111th Driest
Driest since:
 1956
17th Wettest
Wettest since:
 1985
Sep 1998–Mar 1999
7-Month 		18.84"
(478.54mm)		 15.07"
(382.78mm)		 3.77"
(95.76mm)		 103rd Driest
Driest since:
 1957
25th Wettest
Wettest since:
 1962
Aug 1998–Mar 1999
8-Month 		24.07"
(611.38mm)		 18.81"
(477.77mm)		 5.26"
(133.61mm)		 111th Driest
Driest since:
 1954
17th Wettest
Wettest since:
 2019
Jul 1998–Mar 1999
9-Month 		26.85"
(681.99mm)		 22.79"
(578.87mm)		 4.06"
(103.12mm)		 101st Driest
Driest since:
 1954
27th Wettest
Wettest since:
 1993
Jun 1998–Mar 1999
10-Month 		33.74"
(857.00mm)		 27.34"
(694.44mm)		 6.40"
(162.56mm)		 108th Driest
Driest since:
 1902
20th Wettest
Wettest since:
 1903
May 1998–Mar 1999
11-Month 		38.35"
(974.09mm)		 31.40"
(797.56mm)		 6.95"
(176.53mm)		 107th Driest
Driest since:
 1902
21st Wettest
Wettest since:
 2011
Apr 1998–Mar 1999
12-Month 		42.86"
(1,088.64mm)		 34.74"
(882.40mm)		 8.12"
(206.24mm)		 111th Driest
Driest since:
 1902
17th Wettest
Wettest since:
 2011
Oct 1997–Mar 1999
18-Month 		59.47"
(1,510.54mm)		 45.91"
(1,166.11mm)		 13.56"
(344.43mm)		 120th Driest
Driest since:
 1957
7th Wettest
Wettest since:
 2011
Apr 1997–Mar 1999
24-Month 		81.29"
(2,064.77mm)		 69.47"
(1,764.54mm)		 11.82"
(300.23mm)		 115th Driest
Driest since:
 1957
12th Wettest
Wettest since:
 2011
Apr 1996–Mar 1999
36-Month 		116.54"
(2,960.12mm)		 104.12"
(2,644.65mm)		 12.42"
(315.47mm)		 103rd Driest
Driest since:
 1956
23rd Wettest
Wettest since:
 2011
Apr 1995–Mar 1999
48-Month 		155.00"
(3,937.00mm)		 138.67"
(3,522.22mm)		 16.33"
(414.78mm)		 107th Driest
Driest since:
 1957
18th Wettest
Wettest since:
 2011
Apr 1994–Mar 1999
60-Month 		184.34"
(4,682.24mm)		 173.27"
(4,401.06mm)		 11.07"
(281.18mm)		 84th Driest
Driest since:
 1958
40th Wettest
Wettest since:
 2012

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