condition	mean	min	max
4 h after light	37.0106	36.3496	37.6716
8 h after light	30.14815	30.1355	30.1608
12 h after light	42.5642	41.4096	43.7188
4 h after dark	59.31786666666667	55.68	61.8615
8 h after dark	59.4396	53.8969	62.6231
12 h after dark	48.74743333333333	46.7964	51.83