condition mean min max 4 h after light 10.374603333333333 6.45331 14.5277 8 h after light 5.5142500000000005 1.61533 9.909 12 h after light 6.994 4.01471 11.3047 4 h after dark 12.51357 9.98601 14.3099 8 h after dark 14.469833333333334 10.6277 16.4417 12 h after dark 16.087733333333333 15.3053 17.406