condition	mean	min	max
4 h after light	8.5409215	8.374243	8.7076
8 h after light	7.9960865	7.927956	8.064217
12 h after light	9.2849185	8.580193	9.989644
4 h after dark	8.9335625	8.541928	9.325197
8 h after dark	8.479056499999999	7.145612	9.812501
12 h after dark	9.16641	9.16641	9.16641