condition mean min max 0 h after light 1.75964 1.45649 2.06279 4 h after light 3.445645 3.30779 3.5835 8 h after light 4.861689999999999 4.62203 5.10135 4 h after dark 3.9882850000000003 3.5704 4.40617 8 h after dark 3.91874 3.6593 4.17818 12 h after dark 1.672475 1.13664 2.20831