condition	mean	min	max
4 h after light	5.359365	4.19711	6.52162
8 h after light	4.347754999999999	4.03942	4.65609
12 h after light	4.88272	3.56561	6.19983
4 h after dark	8.364903333333334	7.12613	10.0661
8 h after dark	5.837513333333334	3.63465	7.9722
12 h after dark	7.16053	6.74407	7.79361