condition mean min max 0 h after light 2.7128750000000004 2.52423 2.90152 4 h after light 4.3027050000000004 3.23715 5.36826 8 h after light 2.534375 2.11518 2.95357 4 h after dark 1.9543599999999999 1.57481 2.33391 8 h after dark 2.1333 2.12337 2.14323 12 h after dark 2.4694700000000003 2.4401 2.49884