venus retrogrades on sept 11th 2013.

-5 is sept 6, +5 is sept 16, +10 is sept 26th (hot dates for storms to begin)

category 5 hurricanes from 1924 to 2007 – august , september popular days for the tropical depression, wave, storms and hurricanes to form from 1924 to 2007

calculations on how i find my data for venus retrogrades affecting earth’s climates