condition	mean	min	max
0 h after light	14.235299999999999	13.4431	15.0275
4 h after light	13.33785	12.556	14.1197
8 h after light	15.70585	13.5276	17.8841
4 h after dark	18.169249999999998	17.9804	18.3581
8 h after dark	17.025399999999998	16.7429	17.3079
12 h after dark	13.8439	13.5609	14.1269