condition mean min max 3 h after light 4.973093333333333 4.37005 5.36083 6 h after light 6.072886666666666 4.69127 7.41343 9 h after light 8.80989 7.77563 9.69135 12 h after light 10.7554425 5.66477 13.7334 3 h after dark 12.427266666666666 11.0402 13.9606 6 h after dark 10.328593333333334 9.04588 11.4299 9 h after dark 6.9993 5.89766 8.24476 12 h after dark 4.532845 4.18626 4.87943