condition mean min max 4 h after light 887.2 887.2 887.2 8 h after light 670.95 599.3 742.6 12 h after light 619.35 500.0 738.7 4 h after dark 771.3 690.2 852.4 8 h after dark 920.1500000000001 731.6 1108.7 12 h after dark 940.2 825.0 1055.4