condition mean min max 0 h after light 21.9072 20.6241 23.1903 4 h after light 14.798649999999999 12.5987 16.9986 8 h after light 10.45325 10.0669 10.8396 4 h after dark 15.198550000000001 13.131 17.2661 8 h after dark 15.1024 13.4008 16.804 12 h after dark 21.3889 21.0365 21.7413