condition	mean	min	max
2 h after light	9.725906666666667	9.24737	10.0551
6 h after light	12.1648	11.3728	12.6581
10 h after light	12.9693	12.8094	13.2801
2 h after dark	16.760766666666665	16.243	17.258
6 h after dark	15.7322	15.2523	16.3629
10 h after dark	15.128	14.6379	15.7048