condition	mean	min	max
4 h after light	81.48345	74.8251	88.1418
8 h after light	25.46755	23.8376	27.0975
12 h after light	28.98525	27.8926	30.0779
4 h after dark	37.13135	35.9528	38.3099
8 h after dark	68.8863	65.0995	72.6731
12 h after dark	75.9878	72.9301	79.0455