condition mean min max 3 h after light 6.337393333333333 5.78685 6.62515 6 h after light 5.4722566666666665 3.68637 6.51018 9 h after light 7.77036 6.79613 8.88603 12 h after light 8.01045 6.70111 9.04627 3 h after dark 8.60052 8.40272 8.81572 6 h after dark 7.244363333333333 7.11296 7.50707 9 h after dark 5.392776666666666 4.31504 6.3909 12 h after dark 4.4661550000000005 4.23067 4.70164