condition	mean	min	max
4 h after light	583.1	583.1	583.1
8 h after light	653.9	646.4	661.4
12 h after light	616.35	558.6	674.1
4 h after dark	785.4	743.8	827.0
8 h after dark	799.5	782.5	816.5
12 h after dark	648.55	647.7	649.4