condition mean min max 3 h after light 4.112093333333333 3.40564 5.3025 6 h after light 3.9113466666666663 3.46596 4.30362 9 h after light 3.74286 3.26439 4.25772 12 h after light 5.372615 4.89107 5.62168 3 h after dark 5.80649 4.46226 7.12627 6 h after dark 5.63127 5.14781 6.57586 9 h after dark 5.36727 4.28456 7.16647 12 h after dark 5.108915 4.79608 5.42175