condition mean min max 4 h after light 0.455527 0.234664 0.699683 8 h after light 0.3908356666666667 0.190035 0.611912 12 h after light 0.446387 0.146475 0.633776 4 h after dark 0.2763416666666667 0.202026 0.337527 8 h after dark 0.49106500000000003 0.22469 0.840716 12 h after dark 0.3320863333333333 0.26539 0.42647