condition	mean	min	max
4 h after light	8.096734999999999	6.91797	9.2755
8 h after light	18.201700000000002	18.1633	18.2401
12 h after light	19.808999999999997	19.6632	19.9548
4 h after dark	19.1791	18.6746	19.6836
8 h after dark	17.674300000000002	17.3112	18.0374
12 h after dark	14.5842	14.1235	15.0449