condition	mean	min	max
0 h after light	13.058150000000001	12.7294	13.3869
4 h after light	10.28229	9.72298	10.8416
8 h after light	9.66827	9.63768	9.69886
4 h after dark	15.315000000000001	14.9547	15.6753
8 h after dark	13.841899999999999	13.6051	14.0787
12 h after dark	13.500350000000001	13.3637	13.637