condition	mean	min	max
4 h after light	5.14044	5.059159999999999	5.2665
8 h after light	5.0534	4.98508	5.13641
12 h after light	4.95085	4.94108	4.95995
4 h after dark	5.026726666666667	4.97564	5.05644
8 h after dark	5.043643333333334	4.93565	5.16178
12 h after dark	5.089683333333333	5.0023	5.22052