condition	mean	min	max
4 h after light	790.5	790.5	790.5
8 h after light	908.05	690.3	1125.8
12 h after light	1038.85	987.1	1090.6
4 h after dark	706.3	517.0	895.6
8 h after dark	421.9	415.3	428.5
12 h after dark	305.7	262.0	349.4