condition	mean	min	max
4 h after light	51.52405	47.1617	55.8864
8 h after light	50.43235	48.8015	52.0632
12 h after light	50.1182	46.0254	54.211
4 h after dark	48.7558	47.5602	50.3712
8 h after dark	50.18983333333333	49.5607	51.2556
12 h after dark	50.69873333333334	48.8695	53.462