|
06-23-2008, 07:01 PM
|
|
|
|
Location: Perth, Western Australia
9,597 posts, read 13,998,325 times
Reputation: 3190
|
|
How much difference in sunlight do you get annually?
I just realized today that Toronto gets approximately 40 times as much sunlight energy in summer than in winter.
How did I get this?
Well Toronto's U.V. in mid-winter on the brightest day is only 0.9,
but in summer the U.V. is typically 8-9.
In winter we average 2-3 hours of sunlight a day,
But summer, with 40% average cloud cover and 15 hours of daylight,
roughly 8-9 hours of sunlight.
So Toronto gets ten times the U.V. and four times as much hours of sunlight in summer.
*Just for grins, would anyone else like to find and compare annual sunlight levels?
** Maybe all this "extra" sun energy is why I don't mind it being cooler than I'd prefer.   |
|
06-23-2008, 08:30 PM
|
|
|
|
Location: Subarctic maritime Melbourne
5,060 posts, read 2,707,399 times
Reputation: 2836
|
|
Our winter UV is about 2, in summer it's 12 or 13.
average winter daily sunshine is about 4 hours 
average summer daily sunshine 8-9 hours. |
|
06-23-2008, 08:55 PM
|
|
|
|
Location: Seattle
2,562 posts, read 3,990,223 times
Reputation: 997
|
|
January - 2
February - 4
March - 5
April - 7
May - 8
June - 8
July - 10
August - 8
September - 7
October - 4
November - 3
December - 2
BBC - Weather Centre - World Weather - Average Conditions - Seattle
Last edited by Botev1912; 06-23-2008 at 09:19 PM..
|
|
06-24-2008, 06:48 PM
|
|
|
|
Location: Perth, Western Australia
9,597 posts, read 13,998,325 times
Reputation: 3190
|
|
Quote:
Originally Posted by §AB
Our winter UV is about 2, in summer it's 12 or 13.
average winter daily sunshine is about 4 hours
average summer daily sunshine 8-9 hours. |
At least your sunshine hour get cut in half for winter.  
*No wonder many people get SAD here. 
*I don't get SAD, but it does seem bizarre the contrast between summer and winter for light levels... even fall to summer.
Daylight hours in winter is about 8 hours, summer is about 15.5 hours.
Based on this, clear skies are at least twice as common in summer versus winter. |
|
04-03-2014, 12:12 AM
|
|
|
|
Location: Sydney, Australia
1,071 posts, read 194,407 times
Reputation: 294
|
|
|
In summer we can get as high as 13-14.
In winter we hover around 3-4.
|
|
04-03-2014, 01:04 AM
|
|
|
|
Location: Wellington and North of South
3,952 posts, read 2,418,787 times
Reputation: 1633
|
|
Quote:
Originally Posted by theropod
In summer we can get as high as 13-14.
In winter we hover around 3-4.
|
Eh? At Sydney Aero June mean is 6.0, July 6.6 and August 7.8, with August being the relatively sunniest month of the year with 72% of the astronomically possible ... |
|
04-03-2014, 01:13 AM
|
|
|
|
Location: North West Northern Ireland.
17,070 posts, read 4,780,735 times
Reputation: 2655
|
|
|
12 hours
|
|
04-03-2014, 01:15 AM
|
|
|
|
Location: North West Northern Ireland.
17,070 posts, read 4,780,735 times
Reputation: 2655
|
|
Quote:
Originally Posted by §AB
Our winter UV is about 2, in summer it's 12 or 13.
average winter daily sunshine is about 4 hours
average summer daily sunshine 8-9 hours. |
Now please do not have the audacity to ever rant about winter daylight hours!
You do NOT have short or even winter days. I have just 7 hours of daylight in winter. Take that and smoke it. |
|
04-03-2014, 06:34 AM
|
|
|
|
Location: Göteborg, SWE
1,445 posts, read 361,792 times
Reputation: 583
|
|
|
couldn't find any good data on this.
from SMHI:s homepage
"During summer, the UV index in Sweden is 4-7 and during the dark season (Nov-Feb) usually below 2"
|
|
04-03-2014, 06:38 AM
|
|
|
|
Location: Turku, Finland
5,711 posts, read 1,774,098 times
Reputation: 2365
|
|
Quote:
Originally Posted by kronan123
couldn't find any good data on this.
from SMHI:s homepage
"During summer, the UV index in Sweden is 4-7 and during the dark season (Nov-Feb) usually below 2"
|
Above some 52 degrees the lowest UV is in midwinter less than 0.5. UV 1 will reach Longyearbyen during these next days. |
Please register to post and access all features of our very popular forum. It is free and quick. Over $68,000 in prizes has already been given out to active posters on our forum. Additional giveaways are planned.
Detailed information about all U.S. cities, counties, and zip codes on our site: City-data.com.
|
|
