condition	mean	min	max
4 h after light	513.9	513.9	513.9
8 h after light	540.95	451.8	630.1
12 h after light	620.6	613.6	627.6
4 h after dark	557.6	489.5	625.7
8 h after dark	551.6	434.3	668.9
12 h after dark	496.15	447.2	545.1