condition	mean	min	max
4 h after light	6.598005000000001	6.13421	7.0618
8 h after light	13.37335	13.146	13.6007
12 h after light	11.433399999999999	9.7493	13.1175
4 h after dark	12.421766666666667	11.991	12.8775
8 h after dark	6.932876666666667	5.94331	7.75297
12 h after dark	6.87769	5.92347	7.62537