condition mean min max 4 h after light 15295.773333333333 14348.64 16524.12 8 h after light 16151.050000000001 11277.68 19866.02 12 h after light 10627.771333333334 8013.264 13825.96 16 h after light 18300.123333333333 13764.2 21914.95 4 h after dark 18343.52666666667 17444.9 19376.07 8 h after dark 13475.39 11005.43 15996.56