condition	mean	min	max
0 h after light	3.85349	3.42746	4.27952
4 h after light	8.554780000000001	8.09814	9.01142
8 h after light	10.127505	9.48481	10.7702
4 h after dark	7.235385	6.78118	7.68959
8 h after dark	4.22626	3.91376	4.53876
12 h after dark	4.005655	3.34829	4.66302