condition	mean	min	max
4 h after light	3.279395	3.24722	3.31157
8 h after light	4.11959	3.96398	4.2752
12 h after light	4.444375	4.2029	4.68585
4 h after dark	4.91328	4.56373	5.26283
8 h after dark	6.761985	6.62647	6.8975
12 h after dark	5.258195000000001	5.23439	5.282