condition mean min max 4 h after light 911.6 911.6 911.6 8 h after light 796.75 679.3 914.2 12 h after light 619.25 442.9 795.6 4 h after dark 430.20000000000005 408.3 452.1 8 h after dark 447.35 443.6 451.1 12 h after dark 467.5 430.4 504.6