On  October 1 at a location in the Northern Hemisphere, the Sunrise  was  7:43 A.M.  and Sunset  was 6:48 P.M.  On October 31,  the Sunrise  was at  8:18 A.M.  and the Sunset  at 5:53 P.M.  What was the average change in  Daylight  per day,  in minutes, during this month? (Assume all times are  daylight saving time.)   average daylight change = min day

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