condition	mean	min	max
4 h after light	38.69985	19.1017	58.298
8 h after light	41.1751	28.4787	53.8715
12 h after light	35.36195	23.9887	46.7352
4 h after dark	21.34385	17.8818	24.8059
8 h after dark	21.5352	20.4029	22.6675
12 h after dark	16.24215	15.2645	17.2198