condition	mean	min	max
4 h after light	16.8351605	15.256702	18.413619
8 h after light	14.527836	12.351938	16.703734
12 h after light	15.738749	14.334546	17.142952
4 h after dark	16.6604535	14.944811	18.376096
8 h after dark	40.545194	19.640533	61.449855
12 h after dark	30.829992	30.829992	30.829992