condition mean min max 3 h after light 0.8197975833333333 0.136128 1.80443 7 h after light 0.7610443333333333 0.512358 1.1473 11 h after light 0.85018475 0.409596 1.65946 2 h after dark 0.7968618333333334 0.369257 1.94205 6 h after dark 0.71970775 0.30234 1.31988 10 h after dark 0.707124 0.350132 1.40065