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 1975

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  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
May 1975
1-Month 		10.00"
(254.00mm)		 5.16"
(131.06mm)		 4.84"
(122.94mm)		 122nd Driest
Driest since:
 1998
7th Wettest
Wettest since:
 1907
Apr–May 1975
2-Month 		15.57"
(395.48mm)		 10.00"
(254.00mm)		 5.57"
(141.48mm)		 120th Driest
Driest since:
 1925
9th Wettest
Wettest since:
 1991
Mar–May 1975
3-Month 		21.33"
(541.78mm)		 14.95"
(379.73mm)		 6.38"
(162.05mm)		 117th Driest
Driest since:
 1963
12th Wettest
Wettest since:
 1991
Feb–May 1975
4-Month 		25.46"
(646.68mm)		 19.58"
(497.33mm)		 5.88"
(149.35mm)		 111th Driest
Driest since:
 1925
18th Wettest
Wettest since:
 1991
Jan–May 1975
5-Month 		30.62"
(777.75mm)		 24.72"
(627.89mm)		 5.90"
(149.86mm)		 106th Driest
Driest since:
 1963
23rd Wettest
Wettest since:
 1991
Dec 1974–May 1975
6-Month 		36.84"
(935.74mm)		 30.20"
(767.08mm)		 6.64"
(168.66mm)		 106th Driest
Driest since:
 2011
22nd Wettest
Wettest since:
 1991
Nov 1974–May 1975
7-Month 		42.89"
(1,089.41mm)		 34.46"
(875.28mm)		 8.43"
(214.13mm)		 114th Driest
Driest since:
 1963
14th Wettest
Wettest since:
 1991
Oct 1974–May 1975
8-Month 		45.68"
(1,160.27mm)		 37.89"
(962.41mm)		 7.79"
(197.86mm)		 111th Driest
Driest since:
 1904
17th Wettest
Wettest since:
 1983
Sep 1974–May 1975
9-Month 		51.48"
(1,307.59mm)		 42.00"
(1,066.80mm)		 9.48"
(240.79mm)		 115th Driest
Driest since:
 1904
13th Wettest
Wettest since:
 1983
Aug 1974–May 1975
10-Month 		57.51"
(1,460.75mm)		 46.66"
(1,185.16mm)		 10.85"
(275.59mm)		 115th Driest
Driest since:
 1925
13th Wettest
Wettest since:
 1983
Jul 1974–May 1975
11-Month 		62.43"
(1,585.72mm)		 52.34"
(1,329.44mm)		 10.09"
(256.28mm)		 117th Driest
Driest since:
 1925
11th Wettest
Wettest since:
 1983
Jun 1974–May 1975
12-Month 		66.29"
(1,683.77mm)		 56.94"
(1,446.28mm)		 9.35"
(237.49mm)		 109th Driest
Driest since:
 1925
19th Wettest
Wettest since:
 1983
Dec 1973–May 1975
18-Month 		103.52"
(2,629.41mm)		 87.29"
(2,217.17mm)		 16.23"
(412.24mm)		 119th Driest
Driest since:
 1925
8th Wettest
Wettest since:
 1992
Jun 1973–May 1975
24-Month 		137.30"
(3,487.42mm)		 114.02"
(2,896.11mm)		 23.28"
(591.31mm)		 123rd Driest
Driest since:
 1918
4th Wettest
Wettest since:
 1991
Jun 1972–May 1975
36-Month 		205.01"
(5,207.25mm)		 171.14"
(4,346.96mm)		 33.87"
(860.29mm)		 125th Driest
Driest since:
 1918
1st Wettest
Wettest to Date
 1975
Jun 1971–May 1975
48-Month 		266.05"
(6,757.67mm)		 228.16"
(5,795.26mm)		 37.89"
(962.41mm)		 123rd Driest
Driest since:
 1918
2nd Wettest
Wettest to Date
 1993
Jun 1970–May 1975
60-Month 		316.92"
(8,049.77mm)		 284.97"
(7,238.24mm)		 31.95"
(811.53mm)		 113th Driest
Driest since:
 1918
11th Wettest
Wettest to Date
 1993

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