condition	mean	min	max
4 h after light	8.829355	8.67918	8.97953
8 h after light	6.657085	4.99599	8.31818
12 h after light	14.2833	11.861	16.7056
4 h after dark	19.58645	12.3511	26.8218
8 h after dark	10.035035	2.56907	17.501
12 h after dark	14.171199999999999	11.2934	17.049