condition	mean	min	max
4 h after light	5.762745	5.0614	6.46409
8 h after light	5.754765	5.73598	5.77355
12 h after light	5.96054	5.82939	6.09169
4 h after dark	7.09636	7.03586	7.15686
8 h after dark	6.997195	6.91407	7.08032
12 h after dark	7.786524999999999	7.59866	7.97439