The amount of solar radiation Earth receives during the Northern
Hemisphere summer depends on where Earth's «wobble,» known as precession, is in its 23,000 - year cycle.
Not exact matches
While I would adjust clothing
depending on the season (remember that winter in the Northern
hemisphere is
summer in the Southern!)
In the northern
hemisphere, the difference in solar energy between
summer and winter averages about 150 watts per second or so (again
depending on time and latitude).
True Willis, but I suppose the details
depends on what
hemisphere since there is much more ocean in the SH that generates clouds, in addition to the SH being a few million miles closer to the Sun it its
summer due to our current annual orbit which has slightly more W / m2 for the SH in its
summer.