condition mean min max 0 h after light 11.32925 10.0245 12.634 4 h after light 5.021795 4.94237 5.10122 8 h after light 6.15719 5.59593 6.71845 4 h after dark 8.11239 7.01462 9.21016 8 h after dark 12.13847 8.67144 15.6055 12 h after dark 10.05995 10.011 10.1089