condition	mean	min	max
4 h after light	44.46145	40.7553	48.1676
8 h after light	25.55225	23.1658	27.9387
12 h after light	15.1492	13.5832	16.7152
4 h after dark	3.327355	2.93302	3.72169
8 h after dark	5.4482	5.31669	5.57971
12 h after dark	8.345245	8.25341	8.43708