condition	mean	min	max
4 h after light	7.8	7.8	7.8
8 h after light	19.35	19.3	19.4
12 h after light	21.8	7.5	36.1
4 h after dark	29.55	24.5	34.6
8 h after dark	25.45	18.1	32.8
12 h after dark	24.35	20.6	28.1