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 2012

View Period (Months):
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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 2012
1-Month
2.17"
(55.12mm)
5.16"
(131.06mm)
-2.99"
(-75.94mm)
14th Driest
Driest since:
1998
115th Wettest
Wettest since:
1907
Apr–May 2012
2-Month
6.96"
(176.78mm)
10.00"
(254.00mm)
-3.04"
(-77.22mm)
32nd Driest
Driest since:
1925
97th Wettest
Wettest since:
1991
Mar–May 2012
3-Month
14.98"
(380.49mm)
14.95"
(379.73mm)
0.03"
(0.76mm)
74th Driest
Driest since:
1963
55th Wettest
Wettest since:
1991
Feb–May 2012
4-Month
22.38"
(568.45mm)
19.58"
(497.33mm)
2.80"
(71.12mm)
96th Driest
Driest since:
1925
33rd Wettest
Wettest since:
1991
Jan–May 2012
5-Month
27.08"
(687.83mm)
24.72"
(627.89mm)
2.36"
(59.94mm)
87th Driest
Driest since:
1963
42nd Wettest
Wettest since:
1991
Dec 2011–May 2012
6-Month
32.59"
(827.79mm)
30.20"
(767.08mm)
2.39"
(60.71mm)
84th Driest
Driest since:
2011
44th Wettest
Wettest since:
1991
Nov 2011–May 2012
7-Month
36.28"
(921.51mm)
34.46"
(875.28mm)
1.82"
(46.23mm)
75th Driest
Driest since:
1963
53rd Wettest
Wettest since:
1991
Oct 2011–May 2012
8-Month
37.18"
(944.37mm)
37.89"
(962.41mm)
-0.71"
(-18.04mm)
59th Driest
Driest since:
1904
69th Wettest
Wettest since:
1983
Sep 2011–May 2012
9-Month
44.18"
(1,122.17mm)
42.00"
(1,066.80mm)
2.18"
(55.37mm)
74th Driest
Driest since:
1904
54th Wettest
Wettest since:
1983
Aug 2011–May 2012
10-Month
45.89"
(1,165.61mm)
46.66"
(1,185.16mm)
-0.77"
(-19.55mm)
54th Driest
Driest since:
1925
74th Wettest
Wettest since:
1983
Jul 2011–May 2012
11-Month
52.05"
(1,322.07mm)
52.34"
(1,329.44mm)
-0.29"
(-7.37mm)
61st Driest
Driest since:
1925
67th Wettest
Wettest since:
1983
Jun 2011–May 2012
12-Month
55.35"
(1,405.89mm)
56.94"
(1,446.28mm)
-1.59"
(-40.39mm)
50th Driest
Driest since:
1925
78th Wettest
Wettest since:
1983
Dec 2010–May 2012
18-Month
72.14"
(1,832.36mm)
87.29"
(2,217.17mm)
-15.15"
(-384.81mm)
10th Driest
Driest since:
1925
117th Wettest
Wettest since:
1992
Jun 2010–May 2012
24-Month
95.96"
(2,437.38mm)
114.02"
(2,896.11mm)
-18.06"
(-458.73mm)
11th Driest
Driest since:
1918
116th Wettest
Wettest since:
1991
Jun 2009–May 2012
36-Month
155.04"
(3,938.02mm)
171.14"
(4,346.96mm)
-16.10"
(-408.94mm)
17th Driest
Driest since:
1918
109th Wettest
Wettest since:
1975
Jun 2008–May 2012
48-Month
209.07"
(5,310.38mm)
228.16"
(5,795.26mm)
-19.09"
(-484.88mm)
17th Driest
Driest since:
1918
108th Wettest
Wettest since:
1993
Jun 2007–May 2012
60-Month
264.85"
(6,727.19mm)
284.97"
(7,238.24mm)
-20.12"
(-511.05mm)
14th Driest
Driest since:
1918
110th Wettest
Wettest since:
1993

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