condition	mean	min	max
0 h after light	6.7084150000000005	6.0298	7.38703
4 h after light	3.37803	3.15941	3.59665
8 h after light	2.65437	2.61656	2.69218
4 h after dark	4.982525	4.12013	5.84492
8 h after dark	5.9545200000000005	5.56875	6.34029
12 h after dark	5.95146	5.34549	6.55743