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.

Louisiana

Precipitation Rankings, May 1991

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Wettest/Driest
Since		Record
May 1991
1-Month		11.55"
(293.37mm)		5.16"
(131.06mm)		6.39"
(162.31mm)		126th Driest
Driest since:
1998
3rd Wettest
Wettest since:
1907
Apr–May 1991
2-Month		24.70"
(627.38mm)		10.00"
(254.00mm)		14.70"
(373.38mm)		128th Driest
Driest since:
1925
1st Wettest
Wettest to Date
1991
Mar–May 1991
3-Month		28.99"
(736.35mm)		14.95"
(379.73mm)		14.04"
(356.62mm)		128th Driest
Driest since:
1963
1st Wettest
Wettest to Date
1991
Feb–May 1991
4-Month		34.79"
(883.67mm)		19.58"
(497.33mm)		15.21"
(386.34mm)		128th Driest
Driest since:
1925
1st Wettest
Wettest to Date
1991
Jan–May 1991
5-Month		45.43"
(1,153.92mm)		24.72"
(627.89mm)		20.71"
(526.03mm)		128th Driest
Driest since:
1963
1st Wettest
Wettest to Date
1991
Dec 1990–May 1991
6-Month		51.53"
(1,308.86mm)		30.20"
(767.08mm)		21.33"
(541.78mm)		127th Driest
Driest since:
2011
1st Wettest
Wettest to Date
1991
Nov 1990–May 1991
7-Month		55.85"
(1,418.59mm)		34.46"
(875.28mm)		21.39"
(543.31mm)		127th Driest
Driest since:
1963
1st Wettest
Wettest to Date
1991
Oct 1990–May 1991
8-Month		58.72"
(1,491.49mm)		37.89"
(962.41mm)		20.83"
(529.08mm)		126th Driest
Driest since:
1904
2nd Wettest
Wettest since:
1983
Sep 1990–May 1991
9-Month		62.40"
(1,584.96mm)		42.00"
(1,066.80mm)		20.40"
(518.16mm)		126th Driest
Driest since:
1904
2nd Wettest
Wettest since:
1983
Aug 1990–May 1991
10-Month		64.84"
(1,646.94mm)		46.66"
(1,185.16mm)		18.18"
(461.78mm)		126th Driest
Driest since:
1925
2nd Wettest
Wettest since:
1983
Jul 1990–May 1991
11-Month		68.02"
(1,727.71mm)		52.34"
(1,329.44mm)		15.68"
(398.27mm)		126th Driest
Driest since:
1925
2nd Wettest
Wettest since:
1983
Jun 1990–May 1991
12-Month		71.84"
(1,824.74mm)		56.94"
(1,446.28mm)		14.90"
(378.46mm)		125th Driest
Driest since:
1925
3rd Wettest
Wettest since:
1983
Dec 1989–May 1991
18-Month		109.18"
(2,773.17mm)		87.29"
(2,217.17mm)		21.89"
(556.00mm)		122nd Driest
Driest since:
1925
5th Wettest
Wettest since:
1992
Jun 1989–May 1991
24-Month		142.82"
(3,627.63mm)		114.02"
(2,896.11mm)		28.80"
(731.52mm)		126th Driest
Driest since:
1918
1st Wettest
Wettest to Date
1991
Jun 1988–May 1991
36-Month		201.82"
(5,126.23mm)		171.14"
(4,346.96mm)		30.68"
(779.27mm)		122nd Driest
Driest since:
1918
4th Wettest
Wettest since:
1975
Jun 1987–May 1991
48-Month		260.88"
(6,626.35mm)		228.16"
(5,795.26mm)		32.72"
(831.09mm)		119th Driest
Driest since:
1918
6th Wettest
Wettest since:
1993
Jun 1986–May 1991
60-Month		323.67"
(8,221.22mm)		284.97"
(7,238.24mm)		38.70"
(982.98mm)		118th Driest
Driest since:
1918
6th Wettest
Wettest to Date
1993

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