condition mean min max 4 h after light 0.50973 0.2888 0.73066 8 h after light 0.4990045 0.498713 0.499296 12 h after light 0.3299495 0.315168 0.344731 4 h after dark 0.3956743333333333 0.293267 0.517322 8 h after dark 0.375315 0.284202 0.486528 12 h after dark 0.571483 0.421867 0.666089