condition mean min max 2 h after light 91.24525 79.3911 105.603 6 h after light 80.6054 62.6635 102.793 10 h after light 88.61418333333333 57.724 150.318 14 h after light 89.88235 56.5072 132.531 18 h after light 84.63486666666667 60.0957 103.153 2 h after dark 74.60166666666666 54.538 93.8797