condition	mean	min	max
0 h after light	16.21065	15.5329	16.8884
4 h after light	17.6417	17.4078	17.8756
8 h after light	27.16265	26.4539	27.8714
4 h after dark	30.5469	28.097	32.9968
8 h after dark	28.21395	26.3165	30.1114
12 h after dark	16.1869	14.0305	18.3433