condition mean min max 4 h after light 546.5 546.5 546.5 8 h after light 389.2 97.4 681.0 12 h after light 139.85 91.5 188.2 4 h after dark 235.70000000000002 127.3 344.1 8 h after dark 1041.85 459.2 1624.5 12 h after dark 3422.25 2173.2 4671.3