NavList:

   

Reply

Try weather.gov . click on contact us and ask your question. NOAA
should be able to give you some numbers.

Greg Rudzinski

On Dec 5, 5:22 am, Isonomia  wrote:
> For many years I have been searching for information on the
> probability of seeing the sun as it either hits or rises above the
> horizon.
>
> Whilst it seems incredible, as far as I can tell there is NO
> INFORMATION ON THIS SUBJECT either specifically for any location or
> generally for any particular location at any time of year.
>
> All I have been able to ascertain is that in one location (Paisly
> Scotland), the sun shines for roughly 30% of the day in summer and
> around 15% in winter.
>
> Unfortunately, I suspect the probability of seeing the sun is largely
> determined only by the altitude of the sun, and as the sunrise/sunset
> is always on the horizon, I suspect the probability of seeing the sun
> does not change significantly from summer to winter in a maritime
> climate like the UK.
>
> As I have been unable to find any hard data on the subject, I really
> could do with some "soft" information and those involved in navigation
> although not necessarily having taken a reading at sunset/sunrise,
> might be more aware of the sun shining and/or may have some records of
> some form even if it is the number of days on which a siting may be
> possible at a particular time.
>
> PLEASE HELP!
>
> Questions:-
> 1. Is sunrise/set more visible at sea?
> 2. Is navigation "visible"  related to meteological records of
> "sunshine"?
> 3. How much does the probability of seeing the sunrise/set vary by
> location (even in the same climate?) E.g. are there places that
> irrespective of local geography have many more sights of sunrise/set?
--~--~---------~--~----~------------~-------~--~----~
To post to this group, send email to NavList@fer3.com
To , send email to NavList-@fer3.com
-~----------~----~----~----~------~----~------~--~---

   

Reply