condition mean min max 0 h after light 5.155335 4.78448 5.52619 2 h after light 4.095345 3.99415 4.19654 4 h after light 6.8698999999999995 6.47303 7.26677 8 h after light 6.934455 6.53666 7.33225 12 h after light 10.27695 10.0862 10.4677 2 h after dark 8.49674 8.23515 8.75833 4 h after dark 9.295929999999998 9.22097 9.37089 8 h after dark 8.857765 8.29801 9.41752 12 h after dark 4.817145 4.41558 5.21871