condition	mean	min	max
4 h after light	518.3	518.3	518.3
8 h after light	581.35	555.5	607.2
12 h after light	743.7	636.5	850.9
4 h after dark	906.75	888.6	924.9
8 h after dark	1198.65	1050.6	1346.7
12 h after dark	1022.3	873.3	1171.3