condition mean min max 0 h after light 9.626415000000001 8.94893 10.3039 2 h after light 5.77547 4.91117 6.63977 4 h after light 6.253375 6.10227 6.40448 8 h after light 6.615399999999999 5.54512 7.68568 12 h after light 6.61354 6.56507 6.66201 2 h after dark 8.212685 8.01344 8.41193 4 h after dark 9.481345000000001 9.31452 9.64817 8 h after dark 13.19815 12.8298 13.5665 12 h after dark 11.66215 10.8645 12.4598