condition mean min max 0 h after light 8.551670000000001 7.2575 9.84584 2 h after light 11.15095 11.0996 11.2023 4 h after light 10.1785 9.1829 11.1741 8 h after light 5.895555 5.20066 6.59045 12 h after light 6.70809 6.42459 6.99159 2 h after dark 5.87956 4.97359 6.78553 4 h after dark 6.653035 6.58392 6.72215 8 h after dark 7.59286 7.18929 7.99643 12 h after dark 8.5939 8.10273 9.08507