condition	mean	min	max
4 h after light	3.0	3.0	3.0
8 h after light	36.2	25.3	47.1
12 h after light	30.35	19.2	41.5
4 h after dark	14.65	3.8	25.5
8 h after dark	27.8	7.0	48.6
12 h after dark	43.35	36.6	50.1