condition mean min max 4 h after light 17.674563 14.939479 20.409647 8 h after light 17.449285 16.983432 17.915138 12 h after light 18.6227935 16.994692 20.250895 4 h after dark 15.167039500000001 13.350647 16.983432 8 h after dark 15.216666 13.4499 16.983432 12 h after dark 16.983432 16.983432 16.983432