condition	mean	min	max
4 h after light	8496.3	8496.3	8496.3
8 h after light	7738.1	6344.8	9131.4
12 h after light	8245.45	7384.0	9106.9
4 h after dark	8799.15	8601.5	8996.8
8 h after dark	9147.3	8695.7	9598.9
12 h after dark	10388.9	10214.4	10563.4