| Lake Charles Airport | 95% Limits | Actual | ||
| Period | Forecast | Lower | Upper | |
| Jan 20 | 4.32 | −1.72 | 10.36 | 6.28 |
| Feb 20 | 4.64 | −1.40 | 10.68 | 2.84 |
| Mar 20 | 5.19 | −0.86 | 11.24 | 1.67 |
| Apr 20 | 4.61 | −1.46 | 10.67 | 3.92 |
| May 20 | 4.68 | −1.39 | 10.74 | 6.63 |
| Jun 20 | 4.98 | −1.08 | 11.05 | 5.41 |
| Jul 20 | 4.72 | −1.35 | 10.79 | 4.95 |
| Aug 20 | 4.72 | −1.35 | 10.79 | 5.25 |