condition mean min max 2 h after light 5.92199 5.01285 7.05871 6 h after light 3.72273 3.57455 3.93374 10 h after light 6.60743 4.25763 9.63312 14 h after light 8.471046666666666 6.63882 12.5182 18 h after light 7.811048333333333 5.58425 9.33609 2 h after dark 7.283765 4.47254 10.622