condition	mean	min	max
4 h after light	6.700125	5.28462	8.11563
8 h after light	6.992485	5.88916	8.09581
12 h after light	4.881665	4.5937	5.16963
4 h after dark	4.12648	3.47124	4.78172
8 h after dark	3.4471800000000004	3.44288	3.45148
12 h after dark	4.6813	4.58835	4.77425