condition	mean	min	max
4 h after light	4.373606666666666	4.28857	4.50137
8 h after light	4.27556	4.22305	4.31454
12 h after light	4.3058	4.2067	4.44856
4 h after dark	4.255493333333334	4.17414	4.32369
8 h after dark	4.18674	4.0796	4.28355
12 h after dark	4.247373333333333	4.18617	4.29502