condition	mean	min	max
4 h after light	8219.3	8219.3	8219.3
8 h after light	7375.9	6516.0	8235.8
12 h after light	7046.0	6661.7	7430.3
4 h after dark	5507.5	4234.0	6781.0
8 h after dark	5722.15	4489.2	6955.1
12 h after dark	7418.3	6711.1	8125.5