condition mean min max 3 h after light 1.83906 1.00118 4.307 7 h after light 2.28227 1.00972 3.96561 11 h after light 2.2309633333333334 0.70786 3.60921 2 h after dark 1.61582 0.773743 2.89384 6 h after dark 1.0535064166666666 0.695104 1.53683 10 h after dark 1.0277763333333334 0.406992 1.7048