condition mean min max 3 h after light 2.1416441666666666 1.07677 3.23863 7 h after light 1.9281196666666667 0.956526 2.92893 11 h after light 0.96450675 0.31644 1.69858 2 h after dark 1.6439485833333334 0.427283 2.77793 6 h after dark 0.72691825 0.239601 1.3482 10 h after dark 0.6799507499999999 0.0 2.1235