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Subject: E17) How many hurricanes have there been in each month?
Contributed by Chris Landsea (NHC)
This table shows the total and average
number of tropical storms, and those which became hurricanes, by
month, for the period 1851-2018. It also shows the monthly total
and average number of hurricanes to strike the U. S. since 1851.
Total and Average Number of Tropical Cylones by Month
(1851-2018)
Month |
Tropical Storms |
Hurricanes |
U.S. Landfalling Hurricanes |
Total | Average | Total | Average | Total | Average |
January | 5 | 0.0298 | 3 | 0.0179 | 0 | 0.0000
| February | 1 | 0.0060 | 0 | 0.0000 | 0 | 0.0000
| March | 1 | 0.0060 | 1 | 0.0060 | 0 | 0.0000
| April | 2 | 0.0119 | 0 | 0.0000 | 0 | 0.0000
| May | 25 | 0.1488 | 4 | 0.0238 | 0 | 0.0000
| June | 94 | 0.5595 | 33 | 0.1964 | 19 | 0.1130
| July | 125 | 0.7440 | 58 | 0.3452 | 26 | 0.1548
| August | 394 | 2.3452 | 244 | 1.4524 | 78 | 0.4643
| September | 616 | 3.6667 | 406 | 2.4167 | 108 | 0.6428
| October | 360 | 2.1429 | 212 | 1.2619 | 58 | 0.3452
| November | 99 | 0.5893 | 47 | 0.2798 | 5 | 0.0298
| December | 19 | 0.1131 | 6 | 0.0357 | 0 | 0.0000
| |
Year | 1536 | 9.1429 | 915 | 5.4464 | 294 | 1.7500
|
Excludes subtropical storms
Last Revised: June 19, 2019
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