condition	mean	min	max
4 h after light	1027.7	1027.7	1027.7
8 h after light	811.7	777.7	845.7
12 h after light	779.75	768.7	790.8
4 h after dark	838.6	722.5	954.7
8 h after dark	869.3	751.5	987.1
12 h after dark	895.95	800.5	991.4