condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.3558895 0.0 0.711779 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.317808 0.0 0.635616 2 h after dark 0.361258 0.0 0.722516 4 h after dark 0.0 0.0 0.0 8 h after dark 0.357979 0.0 0.715958 12 h after dark 0.0 0.0 0.0