condition	mean	min	max
4 h after light	11.4	11.4	11.4
8 h after light	17.95	17.9	18.0
12 h after light	32.0	29.3	34.7
4 h after dark	38.75	36.1	41.4
8 h after dark	37.45	34.5	40.4
12 h after dark	36.2	18.4	54.0