Climate at a Glance

Statewide Rankings

Look up monthly rankings for 1-12, 18, 24, 36, 48, and 60-month time periods using the options below. Data and statistics are as of August 2022. For more information, please see Climatological Rankings.


Louisiana

Precipitation Rankings, September 1999

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
September 1999
1-Month
3.50"
(88.90mm)
4.12"
(104.65mm)
-0.62"
(-15.75mm)
62nd Driest Driest since: 1997 1953
66th Wettest Wettest since: 1998 1913
Aug–Sep 1999
2-Month
5.12"
(130.05mm)
8.76"
(222.50mm)
-3.64"
(-92.45mm)
5th Driest Driest since: 1969 1924
123rd Wettest Wettest since: 1998 1913
Jul–Sep 1999
3-Month
9.51"
(241.55mm)
14.39"
(365.51mm)
-4.88"
(-123.96mm)
10th Driest Driest since: 1990 1924
118th Wettest Wettest since: 1998 1913
Jun–Sep 1999
4-Month
16.34"
(415.04mm)
18.95"
(481.33mm)
-2.61"
(-66.29mm)
28th Driest Driest since: 1997 1924
100th Wettest Wettest since: 1998 1940
May–Sep 1999
5-Month
20.72"
(526.29mm)
24.11"
(612.39mm)
-3.39"
(-86.10mm)
29th Driest Driest since: 1990 1924
99th Wettest Wettest since: 1998 2021
Apr–Sep 1999
6-Month
23.35"
(593.09mm)
28.95"
(735.33mm)
-5.60"
(-142.24mm)
22nd Driest Driest since: 1990 1924
106th Wettest Wettest since: 1998 2021
Mar–Sep 1999
7-Month
28.84"
(732.54mm)
33.90"
(861.06mm)
-5.06"
(-128.52mm)
30th Driest Driest since: 1990 1924
98th Wettest Wettest since: 1998 2021
Feb–Sep 1999
8-Month
30.22"
(767.59mm)
38.53"
(978.66mm)
-8.31"
(-211.07mm)
15th Driest Driest since: 1963 1924
113th Wettest Wettest since: 1998 2021
Jan–Sep 1999
9-Month
38.77"
(984.76mm)
43.67"
(1,109.22mm)
-4.90"
(-124.46mm)
32nd Driest Driest since: 1986 1954
96th Wettest Wettest since: 1998 1991
Ties: 2009
Dec 1998–Sep 1999
10-Month
44.28"
(1,124.71mm)
49.15"
(1,248.41mm)
-4.87"
(-123.70mm)
40th Driest Driest since: 1986 2011
87th Wettest Wettest since: 1998 1991
Nov 1998–Sep 1999
11-Month
49.46"
(1,256.28mm)
53.41"
(1,356.61mm)
-3.95"
(-100.33mm)
42nd Driest Driest since: 1986 2000
85th Wettest Wettest since: 1998 1991
Oct 1998–Sep 1999
12-Month
52.30"
(1,328.42mm)
56.84"
(1,443.74mm)
-4.54"
(-115.32mm)
40th Driest Driest since: 1986 1918
87th Wettest Wettest since: 1998 1991
Apr 1998–Sep 1999
18-Month
78.21"
(1,986.53mm)
85.94"
(2,182.88mm)
-7.73"
(-196.35mm)
22nd Driest Driest since: 1986 1925
105th Wettest Wettest since: 1998 2016
Oct 1997–Sep 1999
24-Month
117.08"
(2,973.83mm)
113.94"
(2,894.08mm)
3.14"
(79.75mm)
76th Driest Driest since: 1997 1918
50th Wettest Wettest since: 1998 2017
Oct 1996–Sep 1999
36-Month
179.33"
(4,554.98mm)
170.98"
(4,342.89mm)
8.35"
(212.09mm)
85th Driest Driest since: 1997 1918
40th Wettest Wettest since: 1998 1975
Oct 1995–Sep 1999
48-Month
233.24"
(5,924.30mm)
228.02"
(5,791.71mm)
5.22"
(132.59mm)
77th Driest Driest since: 1987 1918
47th Wettest Wettest since: 1998 1975
Oct 1994–Sep 1999
60-Month
295.74"
(7,511.80mm)
284.94"
(7,237.48mm)
10.80"
(274.32mm)
87th Driest Driest since: 1988 1918
36th Wettest Wettest since: 1998 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, Precipitation, published September 2022, retrieved on October 3, 2022 from https://www.ncdc.noaa.gov/cag/