condition	mean	min	max
4 h after light	2.568555	1.92625	3.21086
8 h after light	3.2800599999999998	2.74423	3.81589
12 h after light	3.9646600000000003	3.77979	4.14953
4 h after dark	7.0722000000000005	6.45497	8.17089
8 h after dark	5.644973333333334	4.46198	6.51539
12 h after dark	3.7385033333333335	3.44736	3.89919