condition	mean	min	max
4 h after light	5.017516666666666	4.97389	5.05012
8 h after light	5.001206666666667	4.91237	5.06544
12 h after light	4.9862866666666665	4.80945	5.12988
4 h after dark	4.96767	4.8161	5.075130000000001
8 h after dark	5.04893	4.88593	5.25485
12 h after dark	4.99245	4.867719999999999	5.05543