condition	mean	min	max
4 h after light	3.62251	2.82154	4.42348
8 h after light	2.366445	2.35883	2.37406
12 h after light	3.579565	3.2479	3.91123
4 h after dark	5.723694999999999	5.49297	5.95442
8 h after dark	6.45119	5.42042	7.48196
12 h after dark	5.15879	4.79535	5.52223