condition mean min max 0 h after light 7.892570000000001 7.72749 8.05765 4 h after light 10.2379 10.0124 10.4634 8 h after light 11.05875 10.4028 11.7147 4 h after dark 11.6768 11.4362 11.9174 8 h after dark 10.884599999999999 10.8817 10.8875 12 h after dark 8.120235000000001 7.40897 8.8315