condition	mean	min	max
4 h after light	541.4	541.4	541.4
8 h after light	650.9	621.8	680.0
12 h after light	685.25	659.4	711.1
4 h after dark	691.6	670.7	712.5
8 h after dark	602.3	405.5	799.1
12 h after dark	405.55	370.1	441.0