condition	mean	min	max
4 h after light	6.25	5.56978	6.93022
8 h after light	7.093855	6.5234	7.66431
12 h after light	6.0057	5.86127	6.15013
4 h after dark	10.7601	10.0063	11.5139
8 h after dark	7.136755	6.45667	7.81684
12 h after dark	7.47653	7.39386	7.5592