NOAA's National Centers for Environmental Information
Divisional Rankings
Louisiana, Climate Division 9
December 1999 Palmer Z-Index Rankings
| Period | Value | 1901-2000 Mean | Anomaly | Rank (1895-2025) | Driest/Wettest Since | Record |
|---|---|---|---|---|---|---|
| December 1999 1-Month | -1.14 | -0.10 | -1.04 | 46th Driest | Driest since: | 2021 |
| 85th Wettest | Wettest since: | 2009 | ||||
| Nov– 2-Month | -1.68 | -0.07 | -1.61 | 13th Driest | Driest since: | 1906 |
| 118th Wettest | Wettest since: | 1947 | ||||
| Oct– 3-Month | -0.52 | 0.01 | -0.53 | 47th Driest | Driest since: | 2011 |
| 84th Wettest | Wettest since: | 2009 | ||||
| Sep– 4-Month | -0.64 | -0.04 | -0.60 | 41st Driest | Driest since: | 1924 |
| 90th Wettest | Wettest since: | 2002 | ||||
| Ties: 1955 | ||||||
| Aug– 5-Month | -1.04 | -0.05 | -0.99 | 23rd Driest | Driest since: | 1924 |
| 108th Wettest | Wettest since: | 1977 | ||||
| Jul– 6-Month | -1.04 | -0.04 | -1.00 | 20th Driest | Driest since: | 1924 |
| 111th Wettest | Wettest since: | 1898 | ||||
| Jun– 7-Month | -0.58 | -0.04 | -0.54 | 32nd Driest | Driest since: | 1924 |
| 99th Wettest | Wettest since: | 1898 | ||||
| May– 8-Month | -0.63 | -0.04 | -0.59 | 29th Driest | Driest since: | 1924 |
| 102nd Wettest | Wettest since: | 1942, 1975 | ||||
| Ties: 1986 | ||||||
| Apr– 9-Month | -0.91 | -0.04 | -0.87 | 19th Driest | Driest since: | 1924 |
| 112th Wettest | Wettest since: | 2021 | ||||
| Mar– 10-Month | -0.91 | -0.05 | -0.86 | 19th Driest | Driest since: | 1924 |
| 112th Wettest | Wettest since: | 2021 | ||||
| Feb– 11-Month | -1.08 | -0.07 | -1.01 | 12th Driest | Driest since: | 2023 |
| 119th Wettest | Wettest since: | 2021 | ||||
| Jan– 12-Month | -1.08 | -0.05 | -1.03 | 13th Driest | Driest since: | 2023 |
| 118th Wettest | Wettest since: | 1991 | ||||
| Jul 1998– 18-Month | -0.74 | -0.04 | -0.70 | 17th Driest | Driest since: | 1904 |
| 113th Wettest | Wettest since: | 1946 | ||||
| Jan 1998– 24-Month | -0.35 | -0.04 | -0.31 | 36th Driest | Driest since: | 2000 |
| 94th Wettest | Wettest since: | 1992 | ||||
| Ties: 1970, 1986 | ||||||
| Jan 1997– 36-Month | -0.17 | -0.04 | -0.13 | 56th Driest | Driest since: | 1904 |
| 73rd Wettest | Wettest since: | 1993 | ||||
| Jan 1996– 48-Month | -0.26 | -0.03 | -0.23 | 40th Driest | Driest since: | 1904 |
| 88th Wettest | Wettest since: | 1994 | ||||
| Ties: 1910 | ||||||
| Jan 1995– 60-Month | -0.22 | -0.03 | -0.19 | 42nd Driest | Driest since: | 1906 |
| 85th Wettest | Wettest since: | 1995 | ||||
| Ties: 1909, 1956, 1965 | ||||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2025, retrieved on March 22, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings
