condition	mean	min	max
4 h after light	4.11336	4.02621	4.18732
8 h after light	4.16089	4.05066	4.31088
12 h after light	4.042503333333333	3.93414	4.20832
4 h after dark	3.95604	3.8566800000000003	4.0086699999999995
8 h after dark	3.984853333333333	3.7734699999999997	4.1064099999999994
12 h after dark	4.0359766666666665	3.9268300000000003	4.2049900000000004