condition mean min max 4 h after light 3822.3 3822.3 3822.3 8 h after light 5352.25 5174.7 5529.8 12 h after light 6089.35 5810.6 6368.1 4 h after dark 6351.65 5833.3 6870.0 8 h after dark 5784.299999999999 4727.4 6841.2 12 h after dark 4988.65 4063.3 5914.0