condition mean min max 4 h after light 773.3 773.3 773.3 8 h after light 720.85 681.0 760.7 12 h after light 554.3 484.1 624.5 4 h after dark 885.5500000000001 637.7 1133.4 8 h after dark 877.35 824.2 930.5 12 h after dark 996.55 831.3 1161.8