From: Bob Shell <bob@bobshell.com> Date: Fri, 30 Jan 1998 08:41:39 -0500 Fwd Date: Fri, 30 Jan 1998 12:31:14 -0500 Subject: Re: Project 1947: DAY/NIGHT - More *U* Findings >Date: Thu, 29 Jan 1998 23:19:01 -0800 >From: Jan Aldrich <jan@CYBERZONE.NET> >Subject: DAY/NIGHT More *U* Findings. >To: PROJECT-1947@LISTSERV.AOL.COM >Larry Hatch is having some difficulty posting. Don't feel alone >Larry, I am, too. >-- >Jan Aldrich >Project 1947 >http://www.iufog.org/project1947/ >Subject: More boring DAY/NIGHT *U* findings. >Date: Thursday, January 29, 1998 02:56 AM >to: List Members >from: Larry Hatch >re: *U* Database findings. >I recently sent in some findings about day versus night UFO >sightings from the *U* UFO Database. Since then, I refined the >statistical routine to subdivide the raw data by decades. >The *U* Database has 16,575 sightings listed as of 28 JAN'98. >Of these, 12,121 have 'known' time-of-day (plus or minus one hour >to allow for Daylight Savings time and time-zone anomalies.) >'DAY' is defined as the hours 1000-1600hrs. 'NIGHT' is defined as >2200-0400hrs. These strict 6-hour periods are broad daylight, or >dark of night, for most of the world, the year around. Sightings >for all other hours are considered 'FRINGE', i.e. light or dark, >dawn or dusk depending on latitude and season. >Here's the raw data from the new routine: >Date Period: TOTAL DAY NIGHT FRINGE >ALL YEARS 12121 1464 4223 6434 >pre -1960 3353 709 869 1775 >1960 onward 8718 747 3340 4631 >These figures are now subdivided as follows: >pre - 1900 50 8 14 28 >1900s . . . . 90 9 35 46 >1910s . . . . 23 2 9 12 >1920s . . . . 13 5 3 5 >1930s . . . . 21 4 5 12 >1940s . . . . 576 180 100 296 >1950s . . . . 2630 509 717 1404 >1960s . . . . 2036 205 768 1063 >1970s . . . . 3193 249 1267 1677 >1980s . . . . 1270 97 459 714 >1990s . . . . 2219 196 846 1177 >Note the 1940s when 'broad daylight' sightings outnumbered >dark-of-night by a 9 to 5 ratio. >I have no ready explanation for the steady drop in the ratio of >'day' sightings since 1940, and invite discussion. >- Larry Hatch <larryhat@jps.net> Larry, I would expect night sightings to outnumber day sightings by a large margin. First, because UFOs are easier to see at night, and secondly because misidentifications would be much more common at night. Bob
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