condition mean min max 2 h after light 1.3518608333333333 0.184796 5.20707 6 h after light 0.572712 0.0 0.996114 10 h after light 1.8662681666666667 0.562409 2.5778 14 h after light 2.0199391666666666 0.194165 3.12155 18 h after light 1.2918874999999999 0.1789 4.30594 2 h after dark 1.5842223333333334 0.690804 2.81661