condition	mean	min	max
4 h after light	9.187156666666667	8.831489999999999	9.61748
8 h after light	6.828740000000001	6.731	6.903460000000001
12 h after light	6.54685	6.32554	6.701460000000001
4 h after dark	6.572626666666666	6.4303099999999995	6.647069999999999
8 h after dark	7.212763333333333	6.720689999999999	7.50484
12 h after dark	7.726673333333333	7.39699	8.278830000000001