condition	mean	min	max
4 h after light	5.061365	4.61289	5.50984
8 h after light	3.66316	3.5783	3.74802
12 h after light	3.528425	3.28739	3.76946
4 h after dark	4.022566666666667	3.72146	4.41096
8 h after dark	3.9225933333333334	3.21515	4.43258
12 h after dark	4.95971	4.44085	5.43682