condition	mean	min	max
4 h after light	38.666650000000004	37.891	39.4423
8 h after light	23.0278	21.668	24.3876
12 h after light	4.86875	4.6181	5.1194
4 h after dark	3.39991	2.49932	4.00433
8 h after dark	9.722613333333333	8.31546	11.4904
12 h after dark	17.2101	16.1802	18.7543