condition mean min max 4 h after light 9.760904 8.74427 11.557839999999999 8 h after light 4.902616 2.434541 7.41587 12 h after light 2.4346116666666666 1.564194 3.733965 16 h after light 3.3182643333333335 2.8093779999999997 3.896475 4 h after dark 6.414170333333333 3.089245 8.922253999999999 8 h after dark 10.790031 5.524173 14.31182