condition	mean	min	max
4 h after light	9.690069999999999	9.29074	10.0894
8 h after light	6.26678	6.26312	6.27044
12 h after light	9.082295	8.58595	9.57864
4 h after dark	11.98245	9.09555	13.7008
8 h after dark	7.568216666666666	6.42382	9.17785
12 h after dark	9.94886	8.64988	11.1259