Autumn vs. Spring

We are now 54 days passed the Winter Solstice and the days are getting noticeably longer and the Sun is getting higher in the sky each day.  The Sun angle now is the equivalent to what we experienced on Halloween.  Yet to use Fargo as an example, the record high on October 31 is 76 degrees in comparison to the record for today being 53 degrees.  One of the many reasons for this 20 to 25 degree difference between the two dates is snow cover.  The snow cover we see most winters reflects as much as 90% of the incoming solar radiation. Another reason is the frozen ground, so even in snow free locations there will be no 70s this week.

Daryl Ritchison