condition mean min max 4 h after light 60.6 60.6 60.6 8 h after light 281.6 101.0 462.2 12 h after light 1277.8 621.6 1934.0 4 h after dark 1466.7 965.9 1967.5 8 h after dark 610.45 289.5 931.4 12 h after dark 220.89999999999998 64.1 377.7