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, September 1978

View Period (Months):
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
September 1978
1-Month
2.18"
(55.37mm)
3.43"
(87.12mm)
-1.25"
(-31.75mm)
34th Driest
Driest since:
2019
95th Wettest
Wettest since:
2002
Ties: 1982
Aug–Sep 1978
2-Month
6.05"
(153.67mm)
7.35"
(186.69mm)
-1.30"
(-33.02mm)
42nd Driest
Driest since:
1954
87th Wettest
Wettest since:
2008
Jul–Sep 1978
3-Month
9.87"
(250.70mm)
12.33"
(313.18mm)
-2.46"
(-62.48mm)
24th Driest
Driest since:
1924
105th Wettest
Wettest since:
2012
Ties: 1925
Jun–Sep 1978
4-Month
14.48"
(367.79mm)
16.43"
(417.32mm)
-1.95"
(-49.53mm)
35th Driest
Driest since:
1952
94th Wettest
Wettest since:
2021
May–Sep 1978
5-Month
24.43"
(620.52mm)
21.17"
(537.72mm)
3.26"
(82.80mm)
97th Driest
Driest since:
2000
32nd Wettest
Wettest since:
2021
Apr–Sep 1978
6-Month
27.54"
(699.52mm)
26.45"
(671.83mm)
1.09"
(27.69mm)
74th Driest
Driest since:
1899
55th Wettest
Wettest since:
2021
Mar–Sep 1978
7-Month
30.59"
(776.99mm)
32.42"
(823.47mm)
-1.83"
(-46.48mm)
50th Driest
Driest since:
1925
79th Wettest
Wettest since:
2021
Feb–Sep 1978
8-Month
32.81"
(833.37mm)
37.42"
(950.47mm)
-4.61"
(-117.10mm)
29th Driest
Driest since:
1925
100th Wettest
Wettest since:
1991
Jan–Sep 1978
9-Month
38.70"
(982.98mm)
42.71"
(1,084.83mm)
-4.01"
(-101.85mm)
33rd Driest
Driest since:
1986
96th Wettest
Wettest since:
1979
Dec 1977–Sep 1978
10-Month
41.66"
(1,058.16mm)
48.28"
(1,226.31mm)
-6.62"
(-168.15mm)
23rd Driest
Driest since:
1986
105th Wettest
Wettest since:
1983
Nov 1977–Sep 1978
11-Month
50.37"
(1,279.40mm)
52.50"
(1,333.50mm)
-2.13"
(-54.10mm)
50th Driest
Driest since:
1986
78th Wettest
Wettest since:
1983
Oct 1977–Sep 1978
12-Month
54.62"
(1,387.35mm)
55.45"
(1,408.43mm)
-0.83"
(-21.08mm)
56th Driest
Driest since:
1918
72nd Wettest
Wettest since:
1983
Apr 1977–Sep 1978
18-Month
82.38"
(2,092.45mm)
82.09"
(2,085.09mm)
0.29"
(7.36mm)
62nd Driest
Driest since:
1925
66th Wettest
Wettest since:
2020
Oct 1976–Sep 1978
24-Month
110.04"
(2,795.02mm)
111.15"
(2,823.21mm)
-1.11"
(-28.19mm)
61st Driest
Driest since:
1918
66th Wettest
Wettest since:
1974
Oct 1975–Sep 1978
36-Month
161.92"
(4,112.77mm)
166.79"
(4,236.47mm)
-4.87"
(-123.70mm)
49th Driest
Driest since:
1954
77th Wettest
Wettest since:
1975
Oct 1974–Sep 1978
48-Month
230.95"
(5,866.13mm)
222.38"
(5,648.45mm)
8.57"
(217.68mm)
85th Driest
Driest since:
1954
40th Wettest
Wettest since:
2021
Oct 1973–Sep 1978
60-Month
304.35"
(7,730.49mm)
277.78"
(7,055.61mm)
26.57"
(674.88mm)
107th Driest
Driest since:
1956
17th Wettest
Wettest since:
2021

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