condition	mean	min	max
4 h after light	94.5797	91.0086	98.1508
8 h after light	84.1087	83.987	84.2304
12 h after light	91.93325	87.6727	96.1938
4 h after dark	128.3915	127.246	129.537
8 h after dark	130.928	129.407	132.449
12 h after dark	122.646	122.563	122.729