condition	mean	min	max
4 h after light	20.1	20.1	20.1
8 h after light	20.0	9.0	31.0
12 h after light	25.55	7.6	43.5
4 h after dark	19.5	0.8	38.2
8 h after dark	23.1	19.0	27.2
12 h after dark	22.5	20.3	24.7