condition mean min max 4 h after light 4.526535 4.19229 4.86078 8 h after light 3.9065950000000003 2.83628 4.97691 12 h after light 5.705385 5.54461 5.86616 4 h after dark 11.650293333333334 9.98668 13.6245 8 h after dark 7.857373333333333 6.18962 10.2297 12 h after dark 11.469380000000001 6.77383 18.3776