condition	mean	min	max
4 h after light	7.209155	5.77243	8.64588
8 h after light	5.50635	5.40631	5.60639
12 h after light	6.61392	6.53335	6.69449
4 h after dark	6.91226	6.53127	7.13073
8 h after dark	7.220763333333333	7.10484	7.33563
12 h after dark	6.01194	5.73419	6.50454