condition mean min max 4 h after light 59.36175 53.7124 65.0111 8 h after light 66.84440000000001 63.3449 70.3439 12 h after light 59.785 54.6108 64.9592 4 h after dark 61.91745 61.0905 62.7444 8 h after dark 62.48735 61.1378 63.8369 12 h after dark 61.564499999999995 59.9045 63.2245