English: Graph of tropical storm and hurricane frequency, Atlantic region, monthly, based on data from 1851-2017.

• SVG version uploaded 2021-04-12.

Data source:

• Landsea, Chris (contributor from the NHC). Total and Average Number of Tropical Cylones by Month (1851-2017). aoml.noaa.gov. National Oceanic and Atmospheric Administration, Atlantic Oceanographic and Meteorological Laboratory. Archived from the original on September 1, 2018.

• Raw data (not all columns from spreadsheet were used in uploaded graph):
  

Month Total TS Tropical Storms Total Hurr Hurricanes U.S. Landfall Hurricanes U.S. Landfall Hurricanes Both (total)
Jan 3 0.02 2 0.01 0 * 0.03
Feb 1 0.01 0 0.00 0 * 0.01
Mar 1 0.01 1 0.01 0 * 0.01
Apr 2 0.01 0 0.00 0 * 0.01
May 22 0.13 4 0.02 0 * 0.16
Jun 92 0.55 33 0.20 19 0.12 0.75
Jul 120 0.72 55 0.33 25 0.15 1.05
Aug 389 2.33 245 1.47 80 0.48 3.80
Sep 584 3.50 404 2.42 111 0.67 5.92
Oct 341 2.04 205 1.23 54 0.33 3.27
Nov 91 0.54 59 0.35 5 0.03 0.90
Dec 17 0.10 6 0.04 0 * 0.14

• Almost all the XML code for Version 1 was automatically generated by the "Column graphs" spreadsheet linked at User:RCraig09/Excel to XML for SVG. Positioning of titles and legends was done manually inside the .svg text file.

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