condition	mean	min	max
0 h after light	14.47095	13.7301	15.2118
4 h after light	13.966349999999998	13.0681	14.8646
8 h after light	16.52665	14.2481	18.8052
4 h after dark	19.457900000000002	19.1307	19.7851
8 h after dark	17.12895	16.9944	17.2635
12 h after dark	14.532	14.2266	14.8374