condition	mean	min	max
4 h after light	55.8	55.8	55.8
8 h after light	11.7	7.8	15.6
12 h after light	14.4	2.2	26.6
4 h after dark	41.65	5.2	78.1
8 h after dark	67.55	34.5	100.6
12 h after dark	31.75	26.2	37.3