condition	mean	min	max
4 h after light	27.604999999999997	20.6998	34.5102
8 h after light	14.599	13.6654	15.5326
12 h after light	11.723759999999999	9.61262	13.8349
4 h after dark	22.176650000000002	21.2242	23.1291
8 h after dark	30.642899999999997	30.3954	30.8904
12 h after dark	32.76935	32.2916	33.2471