1944 to 1991 | 1899 to 1991 | |||||
Mean | SD | CV | Mean | SD | CV | |
Gulf Coast | 0.29 | 0.46 | 1.59 | 0.35 | 0.56 | 1.60 |
East Coast | 0.40 | 0.73 | 1.82 | 0.34 | 0.63 | 1.85 |
Florida Pen. | 0.19 | 0.44 | 2.32 | 0.19 | 0.42 | 2.21 |
Upper Atlantic | 0.21 | 0.58 | 2.76 | 0.15 | 0.46 | 3.07 |
Entire US | 0.69 | 0.78 | 1.13 | 0.70 | 0.80 | 1.14 |
Table 8 Summary of U.S. landfalling IH activity expressed as annual means, standard deviations (SD), and coefficients of variation (CV) for both recent years and for the entire data set.