condition	mean	min	max
4 h after light	3.4977650000000002	2.97672	4.01881
8 h after light	3.5312099999999997	3.4395	3.62292
12 h after light	4.190284999999999	4.01185	4.36872
4 h after dark	4.647069999999999	4.64344	4.6507
8 h after dark	3.694565	3.59885	3.79028
12 h after dark	4.17162	3.80262	4.54062