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.

Mississippi

Precipitation Rankings, May 1999

View Period (Months):
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
May 1999
1-Month
3.77"
(95.76mm)
4.74"
(120.40mm)
-0.97"
(-24.64mm)
51st Driest
Driest since:
1951
78th Wettest
Wettest since:
1907
Ties: 2020
Apr–May 1999
2-Month
7.22"
(183.39mm)
10.02"
(254.51mm)
-2.80"
(-71.12mm)
33rd Driest
Driest since:
1899
96th Wettest
Wettest since:
1991
Ties: 1942
Mar–May 1999
3-Month
13.81"
(350.77mm)
15.99"
(406.15mm)
-2.18"
(-55.38mm)
45th Driest
Driest since:
2007
84th Wettest
Wettest since:
1991
Feb–May 1999
4-Month
15.97"
(405.64mm)
21.00"
(533.40mm)
-5.03"
(-127.76mm)
17th Driest
Driest since:
2007
112th Wettest
Wettest since:
1991
Jan–May 1999
5-Month
25.64"
(651.26mm)
26.28"
(667.51mm)
-0.64"
(-16.25mm)
65th Driest
Driest since:
2007
64th Wettest
Wettest since:
1991
Dec 1998–May 1999
6-Month
31.98"
(812.29mm)
31.85"
(808.99mm)
0.13"
(3.30mm)
69th Driest
Driest since:
1963
59th Wettest
Wettest since:
1983
Nov 1998–May 1999
7-Month
35.76"
(908.30mm)
36.07"
(916.18mm)
-0.31"
(-7.88mm)
62nd Driest
Driest since:
1904
66th Wettest
Wettest since:
1983
Oct 1998–May 1999
8-Month
37.30"
(947.42mm)
39.03"
(991.36mm)
-1.73"
(-43.94mm)
53rd Driest
Driest since:
1904
75th Wettest
Wettest since:
1983
Sep 1998–May 1999
9-Month
42.07"
(1,068.58mm)
42.46"
(1,078.48mm)
-0.39"
(-9.90mm)
64th Driest
Driest since:
1904
64th Wettest
Wettest since:
1983
Aug 1998–May 1999
10-Month
45.14"
(1,146.56mm)
46.39"
(1,178.31mm)
-1.25"
(-31.75mm)
55th Driest
Driest since:
1904
73rd Wettest
Wettest since:
1983
Jul 1998–May 1999
11-Month
51.63"
(1,311.40mm)
51.40"
(1,305.56mm)
0.23"
(5.84mm)
65th Driest
Driest since:
1925
63rd Wettest
Wettest since:
1983
Jun 1998–May 1999
12-Month
54.01"
(1,371.85mm)
55.57"
(1,411.48mm)
-1.56"
(-39.63mm)
56th Driest
Driest since:
1904
72nd Wettest
Wettest since:
1983
Dec 1997–May 1999
18-Month
87.87"
(2,231.90mm)
87.56"
(2,224.02mm)
0.31"
(7.88mm)
70th Driest
Driest since:
1925
57th Wettest
Wettest since:
1980
Jun 1997–May 1999
24-Month
114.22"
(2,901.19mm)
111.26"
(2,826.00mm)
2.96"
(75.19mm)
78th Driest
Driest since:
1926
49th Wettest
Wettest since:
1991
Jun 1996–May 1999
36-Month
178.98"
(4,546.09mm)
166.96"
(4,240.78mm)
12.02"
(305.31mm)
94th Driest
Driest since:
1956
32nd Wettest
Wettest since:
1975
Jun 1995–May 1999
48-Month
230.15"
(5,845.81mm)
222.49"
(5,651.25mm)
7.66"
(194.56mm)
80th Driest
Driest since:
1957
45th Wettest
Wettest since:
1976
Jun 1994–May 1999
60-Month
292.22"
(7,422.39mm)
277.83"
(7,056.88mm)
14.39"
(365.51mm)
91st Driest
Driest since:
1957
33rd Wettest
Wettest since:
2022

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