condition	mean	min	max
4 h after light	3.2	3.2	3.2
8 h after light	21.45	8.5	34.4
12 h after light	8.35	5.2	11.5
4 h after dark	25.3	21.8	28.8
8 h after dark	26.8	11.0	42.6
12 h after dark	26.45	5.1	47.8