condition mean min max 4 h after light 103.283683 97.220706 109.34666 8 h after light 76.1044445 71.909834 80.299055 12 h after light 93.8638355 79.396123 108.331548 4 h after dark 82.7681025 78.999975 86.53623 8 h after dark 85.0632455 81.202036 88.924455 12 h after dark 115.659777 115.659777 115.659777