condition	mean	min	max
4 h after light	527.4	527.4	527.4
8 h after light	598.0	573.1	622.9
12 h after light	604.45	595.3	613.6
4 h after dark	872.05	681.4	1062.7
8 h after dark	1075.9	1001.5	1150.3
12 h after dark	939.0	874.9	1003.1