condition	mean	min	max
4 h after light	4.728053333333333	4.6574	4.82337
8 h after light	4.720313333333333	4.67701	4.75099
12 h after light	4.67245	4.58179	4.76138
4 h after dark	4.743056666666667	4.66972	4.837
8 h after dark	4.61678	4.49519	4.709630000000001
12 h after dark	4.72661	4.61435	4.89515