condition	mean	min	max
4 h after light	12.7	12.7	12.7
8 h after light	11.35	5.3	17.4
12 h after light	12.55	7.0	18.1
4 h after dark	23.0	3.1	42.9
8 h after dark	12.0	8.4	15.6
12 h after dark	33.05	27.1	39.0