condition	mean	min	max
4 h after light	7.7807379999999995	7.572242	7.989234
8 h after light	8.409130000000001	7.989234	8.829026
12 h after light	8.1357925	7.182941	9.088644
4 h after dark	7.852373999999999	7.833347	7.871401
8 h after dark	8.309669	7.081313	9.538025
12 h after dark	7.989234	7.989234	7.989234