condition mean min max 0 h after light 7.18152 7.03341 7.32963 2 h after light 10.40897 9.74844 11.0695 4 h after light 7.76635 7.14621 8.38649 8 h after light 6.3539650000000005 5.2736 7.43433 12 h after light 9.42605 9.06389 9.78821 2 h after dark 8.3354 7.93534 8.73546 4 h after dark 6.956015 6.54394 7.36809 8 h after dark 8.96658 8.36054 9.57262 12 h after dark 8.05116 8.01174 8.09058