condition mean min max 0 h after light 8.902975 7.19975 10.6062 2 h after light 7.325545 5.50431 9.14678 4 h after light 4.342895 4.04276 4.64303 8 h after light 4.686405 4.30472 5.06809 12 h after light 5.406485 4.7573 6.05567 2 h after dark 6.912789999999999 6.82707 6.99851 4 h after dark 5.660885 5.46307 5.8587 8 h after dark 10.46545 10.2756 10.6553 12 h after dark 9.681695 7.88759 11.4758