condition mean min max 3 h after light 64.59656666666666 44.1273 80.555 7 h after light 73.21615 59.4171 86.7873 11 h after light 82.89951666666667 58.9944 106.494 2 h after dark 81.55025 64.4718 108.065 6 h after dark 78.27754166666666 59.7878 93.2533 10 h after dark 77.05483333333333 54.8878 90.0858