condition	mean	min	max
0 h after light	47.35915	46.2254	48.4929
4 h after light	9.00093	8.25387	9.74799
8 h after light	1.53075	1.4227	1.6388
4 h after dark	5.09404	5.03306	5.15502
8 h after dark	13.8737	13.8295	13.9179
12 h after dark	23.69005	20.4803	26.8998