condition	mean	min	max
4 h after light	7.466340000000001	6.15378	8.7789
8 h after light	4.67446	4.42711	4.92181
12 h after light	4.290565	3.72112	4.86001
4 h after dark	4.21722	3.69393	4.70318
8 h after dark	9.291336666666666	7.23035	12.0039
12 h after dark	7.551966666666667	6.05406	10.0965