File:1851-2017 Atlantic hurricanes and tropical storms by month.png

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Summary

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

Data source:

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
Date
Source Own work
Author RCraig09
Other versions
  • SVG successor (April 2021)
    SVG successor
    (April 2021)

Related image

1851- U.S. landfall hurricanes by month — uses same sourcing as the above chart

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inception

7 September 2018

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File history

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Date/TimeThumbnailDimensionsUserComment
current04:31, 13 December 2020Thumbnail for version as of 04:31, 13 December 20202,998 × 2,003 (621 KB)RCraig09Version 6: Reduced file size: reduced color representations from 24 bits to 8 bits at tinypng.com on 2020-12-12.
18:18, 20 April 2020Thumbnail for version as of 18:18, 20 April 20202,998 × 2,003 (2.03 MB)RCraig09Version 5: In Photoshop, made all text into Photoshop objects (less pixellation than text from original Excel file). . . . . Changing horizontal axis title to de-emphasize most recent data was 2017 to avoid perception that chart is "outdated".
06:35, 3 February 2020Thumbnail for version as of 06:35, 3 February 20202,998 × 2,003 (2.06 MB)RCraig09Version 4: Making legend's color green sample consistent with column green. Re-doing some text to have less pixellation.
21:52, 2 February 2020Thumbnail for version as of 21:52, 2 February 20202,399 × 1,603 (518 KB)RCraig09Version 3: Moved gray column "behind" green and red columns so the gray 'total' series doesn't look like it's on the same 'level' as the first two series. Preferable to "stacked" chart since it shows numbers for both tropical storms and hurricanes.
20:11, 7 September 2018Thumbnail for version as of 20:11, 7 September 20181,250 × 835 (75 KB)RCraig09Vertical axis label: "Annual average" --> "Monthly average"
20:02, 7 September 2018Thumbnail for version as of 20:02, 7 September 20181,250 × 835 (88 KB)RCraig09User created page with UploadWizard
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