condition	mean	min	max
4 h after light	3.798555	3.68686	3.91025
8 h after light	7.07855	6.98298	7.17412
12 h after light	8.35366	7.15815	9.54917
4 h after dark	9.024316666666667	7.26701	10.8482
8 h after dark	5.119283333333334	4.13655	5.70139
12 h after dark	5.501843333333333	4.41717	7.2246