condition	mean	min	max
4 h after light	13.229890333333334	9.471711	15.17273
8 h after light	4.028823666666667	2.31642	5.663208
12 h after light	4.187586	3.962332	4.374174
16 h after light	3.9458956666666665	2.597116	6.084104
4 h after dark	7.391085	7.208411	7.534160000000001
8 h after dark	7.990296333333334	4.367329	10.160210000000001