condition mean min max 0 h after light 13.23435 12.8849 13.5838 2 h after light 8.529264999999999 7.99348 9.06505 4 h after light 8.18883 7.62497 8.75269 8 h after light 6.316915 5.57055 7.06328 12 h after light 12.93925 12.9034 12.9751 2 h after dark 10.6462 10.6327 10.6597 4 h after dark 17.3485 17.073 17.624 8 h after dark 11.2057 10.1502 12.2612 12 h after dark 11.09031 8.28902 13.8916