condition	mean	min	max
4 h after light	8397.5	8397.5	8397.5
8 h after light	9934.15	9695.3	10173.0
12 h after light	11090.4	9859.5	12321.3
4 h after dark	12315.45	11591.5	13039.4
8 h after dark	11426.05	10913.6	11938.5
12 h after dark	10548.35	9907.7	11189.0