condition mean min max 3 h after light 74.29605833333333 66.0042 85.6144 7 h after light 65.957425 54.1474 78.9221 11 h after light 77.61243333333333 61.735 92.3931 2 h after dark 80.11234166666667 65.1083 88.805 6 h after dark 72.354 56.5735 85.5315 10 h after dark 73.83991666666667 59.4022 89.3707