condition mean min max 0 h after light 0.0 0.0 0.0 4 h after light 0.050842 0.0 0.101684 8 h after light 0.052492 0.0 0.104984 4 h after dark 0.1524356 0.0506452 0.254226 8 h after dark 0.10221595 0.0507869 0.153645 12 h after dark 0.12650024999999998 0.0514975 0.201503