condition	mean	min	max
4 h after light	14.566348	13.752561	15.380135
8 h after light	17.0213565	15.355606	18.687107
12 h after light	17.998106	17.870662	18.12555
4 h after dark	15.1965725	14.983988	15.409157
8 h after dark	15.354433499999999	14.743183	15.965684
12 h after dark	21.115651	21.115651	21.115651