condition	mean	min	max
4 h after light	140.019	139.201	140.837
8 h after light	133.478	126.827	140.129
12 h after light	250.273	240.267	260.279
4 h after dark	491.7455	487.567	495.924
8 h after dark	417.081	405.85	428.312
12 h after dark	264.4965	253.376	275.617