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 December 2021. For more information, please see Climatological Rankings.


Louisiana

Precipitation Rankings, September 2017

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
September 2017
1-Month
0.88"
(22.35mm)
4.12"
(104.65mm)
-3.24"
(-82.30mm)
2nd Driest Driest since: 1953 1953
126th Wettest Wettest since: 2016 1913
Aug–Sep 2017
2-Month
13.82"
(351.03mm)
8.76"
(222.50mm)
5.06"
(128.53mm)
120th Driest Driest since: 2015 1924
8th Wettest Wettest since: 2016 1913
Ties: 1973
Jul–Sep 2017
3-Month
18.58"
(471.93mm)
14.39"
(365.51mm)
4.19"
(106.42mm)
111th Driest Driest since: 2015 1924
17th Wettest Wettest since: 2016 1913
Jun–Sep 2017
4-Month
27.57"
(700.28mm)
18.95"
(481.33mm)
8.62"
(218.95mm)
124th Driest Driest since: 2016 1924
4th Wettest Wettest since: 2001 1940
May–Sep 2017
5-Month
36.71"
(932.43mm)
24.11"
(612.39mm)
12.60"
(320.04mm)
126th Driest Driest since: 2016 1924
2nd Wettest Wettest to Date 2021
Apr–Sep 2017
6-Month
42.29"
(1,074.17mm)
28.95"
(735.33mm)
13.34"
(338.84mm)
125th Driest Driest since: 2016 1924
3rd Wettest Wettest since: 1991 2021
Mar–Sep 2017
7-Month
45.93"
(1,166.62mm)
33.90"
(861.06mm)
12.03"
(305.56mm)
121st Driest Driest since: 2015 1924
7th Wettest Wettest since: 2016 2021
Feb–Sep 2017
8-Month
48.26"
(1,225.80mm)
38.53"
(978.66mm)
9.73"
(247.14mm)
113th Driest Driest since: 2015 1924
15th Wettest Wettest since: 2016 2021
Jan–Sep 2017
9-Month
54.89"
(1,394.21mm)
43.67"
(1,109.22mm)
11.22"
(284.99mm)
119th Driest Driest since: 2015 1954
9th Wettest Wettest since: 2016 1991
Dec 2016–Sep 2017
10-Month
61.19"
(1,554.23mm)
49.15"
(1,248.41mm)
12.04"
(305.82mm)
116th Driest Driest since: 2015 2011
11th Wettest Wettest since: 2016 1991
Nov 2016–Sep 2017
11-Month
64.14"
(1,629.16mm)
53.41"
(1,356.61mm)
10.73"
(272.55mm)
111th Driest Driest since: 2015 2000
16th Wettest Wettest since: 2016 1991
Oct 2016–Sep 2017
12-Month
64.56"
(1,639.82mm)
56.84"
(1,443.74mm)
7.72"
(196.08mm)
96th Driest Driest since: 2015 1918
31st Wettest Wettest since: 2016 1991
Apr 2016–Sep 2017
18-Month
103.85"
(2,637.79mm)
85.94"
(2,182.88mm)
17.91"
(454.91mm)
118th Driest Driest since: 2015 1925
9th Wettest Wettest since: 2016 2016
Oct 2015–Sep 2017
24-Month
144.27"
(3,664.46mm)
113.94"
(2,894.08mm)
30.33"
(770.38mm)
125th Driest Driest since: 2016 1918
1st Wettest Wettest to Date 2017
Oct 2014–Sep 2017
36-Month
200.21"
(5,085.33mm)
170.98"
(4,342.89mm)
29.23"
(742.44mm)
119th Driest Driest since: 2016 1918
6th Wettest Wettest since: 1993 1975
Oct 2013–Sep 2017
48-Month
258.20"
(6,558.28mm)
228.02"
(5,791.71mm)
30.18"
(766.57mm)
115th Driest Driest since: 2016 1918
9th Wettest Wettest since: 1994 1975
Oct 2012–Sep 2017
60-Month
315.94"
(8,024.88mm)
284.94"
(7,237.48mm)
31.00"
(787.40mm)
111th Driest Driest since: 2016 1918
12th Wettest Wettest since: 1995 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published January 2022, retrieved on January 22, 2022 from https://www.ncdc.noaa.gov/cag/