condition	mean	min	max
4 h after light	4.5268033333333335	4.46737	4.63931
8 h after light	4.5054	4.48956	4.5304
12 h after light	4.673523333333333	4.47664	5.05437
4 h after dark	4.4726	4.27042	4.57673
8 h after dark	4.490303333333333	4.216	4.65411
12 h after dark	4.50516	4.4452	4.5881