condition	mean	min	max
4 h after light	30.1	30.1	30.1
8 h after light	37.8	18.1	57.5
12 h after light	9.05	6.9	11.2
4 h after dark	39.9	12.0	67.8
8 h after dark	15.55	6.0	25.1
12 h after dark	28.05	24.3	31.8