condition mean min max 0 h after light 12.474450000000001 12.3219 12.627 4 h after light 5.94651 5.8744 6.01862 8 h after light 5.8766300000000005 5.42426 6.329 4 h after dark 8.150195 7.32761 8.97278 8 h after dark 9.140575 8.96247 9.31868 12 h after dark 10.905645 9.11079 12.7005