condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.08125366666666667 0.0 0.243761 12 h after light 0.0 0.0 0.0 3 h after dark 0.0 0.0 0.0 6 h after dark 0.20031566666666667 0.0 0.600947 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0