condition mean min max 2 h after light 1.1426034999999999 0.6543 1.86729 6 h after light 1.2969871666666666 0.826929 1.68934 10 h after light 2.088135 1.47718 2.46144 14 h after light 2.45104 2.24973 2.57826 18 h after light 1.9983833333333334 1.39324 2.46204 2 h after dark 5.436913333333333 3.20332 8.28776