condition	mean	min	max
4 h after light	9.07232	9.05304	9.087639999999999
8 h after light	9.076766666666666	9.0633	9.09603
12 h after light	9.187553333333334	9.08791	9.25075
4 h after dark	9.01385	8.928239999999999	9.07584
8 h after dark	8.93704	8.8279	9.0971
12 h after dark	9.05718	9.01941	9.10506