condition	mean	min	max
4 h after light	1286.4	1286.4	1286.4
8 h after light	1306.75	1299.6	1313.9
12 h after light	1157.4	1094.6	1220.2
4 h after dark	1538.7	1188.9	1888.5
8 h after dark	1441.95	1307.9	1576.0
12 h after dark	1497.0	1326.2	1667.8