condition	mean	min	max
4 h after light	19.5	19.5	19.5
8 h after light	29.95	27.4	32.5
12 h after light	34.75	26.8	42.7
4 h after dark	31.2	24.5	37.9
8 h after dark	27.55	19.1	36.0
12 h after dark	28.299999999999997	17.7	38.9