condition	mean	min	max
4 h after light	19.3681	18.7989	19.9373
8 h after light	53.76625	53.7449	53.7876
12 h after light	53.8639	50.8697	56.8581
4 h after dark	32.9556	32.1919	33.7193
8 h after dark	35.15065	33.5426	36.7587
12 h after dark	26.14835	25.5215	26.7752