condition mean min max 4 h after light 55.325365000000005 47.055137 63.595593 8 h after light 62.840582 62.005808 63.675356 12 h after light 73.230266 59.797959 86.662573 4 h after dark 71.262024 62.005808 80.51824 8 h after dark 70.3000435 51.37386 89.226227 12 h after dark 37.760788 37.760788 37.760788