Amount of solar energy per day in a given location

[ondrejjosef]

Hi,
I'm trying to find equation for an amount of solar energy that given place (of some latitude) on Earth's surface receives during a given day. I know it can be derived by using basic geometry, but I just need it for some application and don't want to waste time and risk mistakes. So if you know, where I could find this, I would greatly appreciate a reference. Thanks in advance for any help.

Josef Ondrej

 

[adjacent]

That is impossible to calculate.
The amount of solar energy reaching the Earth depends on many factors. Think about clouds.

 

[ondrejjosef]

My mistake, sorry for not specifying the question more accurately. You can assume that solar output is perfectly homogenous, constant, Earth is a perfect spehere with no atmosphere. Basically I'm just interested in the effect of varying angle from which you can see the Sun from that place.

 

[russ_watters]

The US government keeps records/models of this: http://rredc.nrel.gov/solar/old_data/nsrdb/1991-2005/tmy3/

 

[enorbet]

If instead of tables you prefer equations, this should help

http://www.pveducation.org/pvcdrom/properties-of-sunlight/calculation-of-solar-insolation