condition mean min max 0 h after light 8.766224999999999 7.98044 9.55201 2 h after light 10.75515 10.7281 10.7822 4 h after light 7.974164999999999 7.35949 8.58884 8 h after light 8.19615 6.72347 9.66883 12 h after light 11.2758 11.2671 11.2845 2 h after dark 12.948450000000001 12.8702 13.0267 4 h after dark 9.56115 8.1244 10.9979 8 h after dark 10.52355 10.5116 10.5355 12 h after dark 9.11028 8.5187 9.70186