condition	mean	min	max
4 h after light	7.11273	6.22623	7.99923
8 h after light	6.389665000000001	5.07882	7.70051
12 h after light	7.404485	6.68655	8.12242
4 h after dark	12.406566666666667	11.7039	13.4697
8 h after dark	10.9745	10.8078	11.2829
12 h after dark	7.5398000000000005	5.49054	9.00261