condition mean min max 0 h after light 10.71985 10.0613 11.3784 4 h after light 11.722249999999999 11.7174 11.7271 8 h after light 8.713470000000001 8.31533 9.11161 4 h after dark 6.974354999999999 5.81103 8.13768 8 h after dark 7.09592 6.8106 7.38124 12 h after dark 8.46489 7.20293 9.72685