condition mean min max 0 h after light 8.843440000000001 8.68567 9.00121 4 h after light 16.054949999999998 11.2915 20.8184 8 h after light 14.655619999999999 4.42074 24.8905 4 h after dark 33.85195 17.9433 49.7606 8 h after dark 7.1799 6.39544 7.96436 12 h after dark 18.58475 16.5313 20.6382