condition	mean	min	max
4 h after light	16.8874885	15.601434	18.173543
8 h after light	17.170339000000002	15.294897	19.045781
12 h after light	14.235547	14.039734	14.43136
4 h after dark	16.570566499999998	15.341971	17.799162
8 h after dark	14.568038000000001	14.192685	14.943391
12 h after dark	15.341971	15.341971	15.341971