condition	mean	min	max
4 h after light	5.9067050000000005	5.70343	6.10998
8 h after light	5.70961	5.61617	5.80305
12 h after light	7.28701	6.1674	8.40662
4 h after dark	9.355106666666666	7.50745	10.5921
8 h after dark	10.435426666666666	9.16508	11.7386
12 h after dark	7.93091	6.87242	9.13668