condition	mean	min	max
0 h after light	15.1091	14.1582	16.06
4 h after light	14.323899999999998	13.04	15.6078
8 h after light	8.334119999999999	8.3339	8.33434
4 h after dark	11.081915	9.27823	12.8856
8 h after dark	18.994	18.0615	19.9265
12 h after dark	17.11055	16.6889	17.5322