condition	mean	min	max
4 h after light	4.678425	4.4826	4.87425
8 h after light	3.826635	3.70416	3.94911
12 h after light	4.412815	3.76724	5.05839
4 h after dark	5.326445	5.24384	5.40905
8 h after dark	6.158815000000001	6.01384	6.30379
12 h after dark	7.48295	6.97997	7.98593