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 1978

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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
May 1978
1-Month
9.95"
(252.73mm)
4.74"
(120.40mm)
5.21"
(132.33mm)
126th Driest
Driest since:
1951
3rd Wettest
Wettest since:
1907
Apr–May 1978
2-Month
13.06"
(331.72mm)
10.02"
(254.51mm)
3.04"
(77.21mm)
109th Driest
Driest since:
1899
20th Wettest
Wettest since:
1991
Mar–May 1978
3-Month
16.11"
(409.19mm)
15.99"
(406.15mm)
0.12"
(3.04mm)
75th Driest
Driest since:
2007
54th Wettest
Wettest since:
1991
Feb–May 1978
4-Month
18.33"
(465.58mm)
21.00"
(533.40mm)
-2.67"
(-67.82mm)
47th Driest
Driest since:
2007
82nd Wettest
Wettest since:
1991
Jan–May 1978
5-Month
24.22"
(615.19mm)
26.28"
(667.51mm)
-2.06"
(-52.32mm)
48th Driest
Driest since:
2007
81st Wettest
Wettest since:
1991
Dec 1977–May 1978
6-Month
27.18"
(690.37mm)
31.85"
(808.99mm)
-4.67"
(-118.62mm)
30th Driest
Driest since:
1963
98th Wettest
Wettest since:
1983
Nov 1977–May 1978
7-Month
35.89"
(911.61mm)
36.07"
(916.18mm)
-0.18"
(-4.57mm)
63rd Driest
Driest since:
1904
65th Wettest
Wettest since:
1983
Oct 1977–May 1978
8-Month
40.14"
(1,019.56mm)
39.03"
(991.36mm)
1.11"
(28.20mm)
73rd Driest
Driest since:
1904
55th Wettest
Wettest since:
1983
Ties: 1905
Sep 1977–May 1978
9-Month
46.97"
(1,193.04mm)
42.46"
(1,078.48mm)
4.51"
(114.56mm)
94th Driest
Driest since:
1904
34th Wettest
Wettest since:
1983
Aug 1977–May 1978
10-Month
50.35"
(1,278.89mm)
46.39"
(1,178.31mm)
3.96"
(100.58mm)
91st Driest
Driest since:
1904
37th Wettest
Wettest since:
1983
Jul 1977–May 1978
11-Month
56.48"
(1,434.59mm)
51.40"
(1,305.56mm)
5.08"
(129.03mm)
95th Driest
Driest since:
1925
33rd Wettest
Wettest since:
1983
Jun 1977–May 1978
12-Month
58.69"
(1,490.73mm)
55.57"
(1,411.48mm)
3.12"
(79.25mm)
81st Driest
Driest since:
1904
47th Wettest
Wettest since:
1983
Dec 1976–May 1978
18-Month
88.02"
(2,235.71mm)
87.56"
(2,224.02mm)
0.46"
(11.69mm)
72nd Driest
Driest since:
1925
55th Wettest
Wettest since:
1980
Jun 1976–May 1978
24-Month
109.23"
(2,774.44mm)
111.26"
(2,826.00mm)
-2.03"
(-51.56mm)
58th Driest
Driest since:
1926
69th Wettest
Wettest since:
1991
Jun 1975–May 1978
36-Month
168.70"
(4,284.98mm)
166.96"
(4,240.78mm)
1.74"
(44.20mm)
68th Driest
Driest since:
1956
58th Wettest
Wettest since:
1975
Jun 1974–May 1978
48-Month
237.66"
(6,036.56mm)
222.49"
(5,651.25mm)
15.17"
(385.31mm)
93rd Driest
Driest since:
1957
32nd Wettest
Wettest since:
1976
Jun 1973–May 1978
60-Month
306.23"
(7,778.24mm)
277.83"
(7,056.88mm)
28.40"
(721.36mm)
110th Driest
Driest since:
1957
14th Wettest
Wettest since:
2022

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