condition	mean	min	max
4 h after light	437.0465435	412.774872	461.318215
8 h after light	478.4634215	477.661013	479.26583
12 h after light	455.1285735	447.89302	462.364127
4 h after dark	399.1038895	365.385903	432.821876
8 h after dark	485.5458535	455.123617	515.96809
12 h after dark	327.420928	327.420928	327.420928