condition mean min max 0 h after light 93.4627 92.3629 94.5625 4 h after light 96.7157 95.1478 98.2836 8 h after light 85.21575 84.1996 86.2319 4 h after dark 75.611 73.911 77.311 8 h after dark 74.64215 70.2373 79.047 12 h after dark 91.41855 76.5971 106.24