condition	mean	min	max
4 h after light	7.88555	6.19735	9.57375
8 h after light	10.019034999999999	9.69587	10.3422
12 h after light	11.156189999999999	9.03548	13.2769
4 h after dark	12.17115	11.3307	13.0116
8 h after dark	7.144265	7.01146	7.27707
12 h after dark	9.850315	9.41513	10.2855