condition mean min max 0 h after light 2.907565 2.11105 3.70408 2 h after light 9.432935 7.85787 11.008 4 h after light 4.681775 4.27159 5.09196 8 h after light 6.515745 5.15581 7.87568 12 h after light 24.636049999999997 21.6647 27.6074 2 h after dark 17.6646 15.3649 19.9643 4 h after dark 12.40365 10.6803 14.127 8 h after dark 11.020035 8.33247 13.7076 12 h after dark 4.799675000000001 4.24995 5.3494