condition	mean	min	max
4 h after light	22.6	22.6	22.6
8 h after light	26.6	26.1	27.1
12 h after light	15.95	13.9	18.0
4 h after dark	29.95	28.0	31.9
8 h after dark	33.75	32.9	34.6
12 h after dark	27.45	22.5	32.4