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 1990

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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
May 1990
1-Month
5.69"
(144.53mm)
5.16"
(131.06mm)
0.53"
(13.47mm)
85th Driest
Driest since:
1998
44th Wettest
Wettest since:
1907
Ties: 1952
Apr–May 1990
2-Month
9.03"
(229.36mm)
10.00"
(254.00mm)
-0.97"
(-24.64mm)
62nd Driest
Driest since:
1925
67th Wettest
Wettest since:
1991
Mar–May 1990
3-Month
15.29"
(388.37mm)
14.95"
(379.73mm)
0.34"
(8.64mm)
76th Driest
Driest since:
1963
53rd Wettest
Wettest since:
1991
Feb–May 1990
4-Month
22.10"
(561.34mm)
19.58"
(497.33mm)
2.52"
(64.01mm)
93rd Driest
Driest since:
1925
36th Wettest
Wettest since:
1991
Jan–May 1990
5-Month
32.36"
(821.94mm)
24.72"
(627.89mm)
7.64"
(194.05mm)
115th Driest
Driest since:
1963
14th Wettest
Wettest since:
1991
Dec 1989–May 1990
6-Month
37.34"
(948.44mm)
30.20"
(767.08mm)
7.14"
(181.36mm)
109th Driest
Driest since:
2011
19th Wettest
Wettest since:
1991
Nov 1989–May 1990
7-Month
42.51"
(1,079.75mm)
34.46"
(875.28mm)
8.05"
(204.47mm)
113th Driest
Driest since:
1963
15th Wettest
Wettest since:
1991
Oct 1989–May 1990
8-Month
43.93"
(1,115.82mm)
37.89"
(962.41mm)
6.04"
(153.41mm)
104th Driest
Driest since:
1904
24th Wettest
Wettest since:
1983
Sep 1989–May 1990
9-Month
46.66"
(1,185.16mm)
42.00"
(1,066.80mm)
4.66"
(118.36mm)
95th Driest
Driest since:
1904
33rd Wettest
Wettest since:
1983
Aug 1989–May 1990
10-Month
49.68"
(1,261.87mm)
46.66"
(1,185.16mm)
3.02"
(76.71mm)
79th Driest
Driest since:
1925
49th Wettest
Wettest since:
1983
Ties: 1903
Jul 1989–May 1990
11-Month
57.59"
(1,462.79mm)
52.34"
(1,329.44mm)
5.25"
(133.35mm)
97th Driest
Driest since:
1925
31st Wettest
Wettest since:
1983
Jun 1989–May 1990
12-Month
70.98"
(1,802.89mm)
56.94"
(1,446.28mm)
14.04"
(356.61mm)
122nd Driest
Driest since:
1925
6th Wettest
Wettest since:
1983
Dec 1988–May 1990
18-Month
102.18"
(2,595.37mm)
87.29"
(2,217.17mm)
14.89"
(378.20mm)
116th Driest
Driest since:
1925
11th Wettest
Wettest since:
1992
Jun 1988–May 1990
24-Month
129.98"
(3,301.49mm)
114.02"
(2,896.11mm)
15.96"
(405.38mm)
114th Driest
Driest since:
1918
13th Wettest
Wettest since:
1991
Jun 1987–May 1990
36-Month
189.04"
(4,801.62mm)
171.14"
(4,346.96mm)
17.90"
(454.66mm)
104th Driest
Driest since:
1918
22nd Wettest
Wettest since:
1975
Jun 1986–May 1990
48-Month
251.83"
(6,396.48mm)
228.16"
(5,795.26mm)
23.67"
(601.22mm)
110th Driest
Driest since:
1918
15th Wettest
Wettest since:
1993
Jun 1985–May 1990
60-Month
306.83"
(7,793.48mm)
284.97"
(7,238.24mm)
21.86"
(555.24mm)
101st Driest
Driest since:
1918
23rd Wettest
Wettest since:
1993

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