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 1998

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
May 1998
1-Month
0.45"
(11.43mm)
5.16"
(131.06mm)
-4.71"
(-119.63mm)
1st Driest
Driest to Date
1998
128th Wettest
Wettest since:
1907
Apr–May 1998
2-Month
4.19"
(106.43mm)
10.00"
(254.00mm)
-5.81"
(-147.57mm)
7th Driest
Driest since:
1925
122nd Wettest
Wettest since:
1991
Mar–May 1998
3-Month
9.35"
(237.49mm)
14.95"
(379.73mm)
-5.60"
(-142.24mm)
9th Driest
Driest since:
1963
120th Wettest
Wettest since:
1991
Feb–May 1998
4-Month
15.52"
(394.21mm)
19.58"
(497.33mm)
-4.06"
(-103.12mm)
33rd Driest
Driest since:
1925
96th Wettest
Wettest since:
1991
Jan–May 1998
5-Month
27.73"
(704.34mm)
24.72"
(627.89mm)
3.01"
(76.45mm)
92nd Driest
Driest since:
1963
37th Wettest
Wettest since:
1991
Dec 1997–May 1998
6-Month
33.49"
(850.65mm)
30.20"
(767.08mm)
3.29"
(83.57mm)
91st Driest
Driest since:
2011
37th Wettest
Wettest since:
1991
Ties: 1907
Nov 1997–May 1998
7-Month
38.86"
(987.04mm)
34.46"
(875.28mm)
4.40"
(111.76mm)
91st Driest
Driest since:
1963
37th Wettest
Wettest since:
1991
Oct 1997–May 1998
8-Month
43.06"
(1,093.72mm)
37.89"
(962.41mm)
5.17"
(131.31mm)
101st Driest
Driest since:
1904
27th Wettest
Wettest since:
1983
Sep 1997–May 1998
9-Month
45.60"
(1,158.24mm)
42.00"
(1,066.80mm)
3.60"
(91.44mm)
86th Driest
Driest since:
1904
42nd Wettest
Wettest since:
1983
Aug 1997–May 1998
10-Month
49.20"
(1,249.68mm)
46.66"
(1,185.16mm)
2.54"
(64.52mm)
75th Driest
Driest since:
1925
53rd Wettest
Wettest since:
1983
Jul 1997–May 1998
11-Month
53.77"
(1,365.76mm)
52.34"
(1,329.44mm)
1.43"
(36.32mm)
69th Driest
Driest since:
1925
59th Wettest
Wettest since:
1983
Jun 1997–May 1998
12-Month
59.22"
(1,504.19mm)
56.94"
(1,446.28mm)
2.28"
(57.91mm)
75th Driest
Driest since:
1925
53rd Wettest
Wettest since:
1983
Ties: 1914
Dec 1996–May 1998
18-Month
96.52"
(2,451.61mm)
87.29"
(2,217.17mm)
9.23"
(234.44mm)
99th Driest
Driest since:
1925
28th Wettest
Wettest since:
1992
Jun 1996–May 1998
24-Month
129.15"
(3,280.41mm)
114.02"
(2,896.11mm)
15.13"
(384.30mm)
108th Driest
Driest since:
1918
19th Wettest
Wettest since:
1991
Jun 1995–May 1998
36-Month
174.59"
(4,434.59mm)
171.14"
(4,346.96mm)
3.45"
(87.63mm)
74th Driest
Driest since:
1918
52nd Wettest
Wettest since:
1975
Jun 1994–May 1998
48-Month
241.06"
(6,122.92mm)
228.16"
(5,795.26mm)
12.90"
(327.66mm)
92nd Driest
Driest since:
1918
33rd Wettest
Wettest since:
1993
Jun 1993–May 1998
60-Month
296.89"
(7,541.01mm)
284.97"
(7,238.24mm)
11.92"
(302.77mm)
88th Driest
Driest since:
1918
36th Wettest
Wettest since:
1993

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