condition mean min max 0 h after light 13.867 11.6747 16.0593 2 h after light 13.5972 12.9949 14.1995 4 h after light 20.6992 20.1001 21.2983 8 h after light 11.366700000000002 10.6765 12.0569 12 h after light 4.242045 2.93138 5.55271 2 h after dark 4.12293 2.90396 5.3419 4 h after dark 9.504000000000001 8.4105 10.5975 8 h after dark 14.753599999999999 10.9045 18.6027 12 h after dark 19.6473 17.6547 21.6399