condition mean min max 3 h after light 7.60764 4.86196 11.4356 6 h after light 3.78133 1.42751 6.59834 9 h after light 3.28081 1.76758 4.16484 12 h after light 7.0162225000000005 1.6563 16.37 3 h after dark 4.40538 3.0647 5.27887 6 h after dark 6.284056666666666 4.06714 9.12079 9 h after dark 5.1299166666666665 3.57964 8.13565 12 h after dark 7.958135 6.83612 9.08015