Number of hurricanes greater than or equal to category 3 on the
Safir-Simpson scale during the 20th century.
Arguments
Format
A data frame with 4 observations on the following 2 variables.
hurricanes
a numeric vector
count
a numeric vector
Source
Blake, E.S., E.N. Rappaport, J.D. Jarrell, and C.W. Landsea. 2005.
The deadliest, costliest, and most intense United States tropical cyclones
from 1851 to 2006 (and other frequently requested hurricane facts).
NOAA Technical Memorandum NWS TPC-4.
