condition	mean	min	max
4 h after light	16.63155	15.1471	18.116
8 h after light	12.32465	11.3427	13.3066
12 h after light	12.39695	11.3873	13.4066
4 h after dark	14.4719	14.0848	14.8333
8 h after dark	17.390533333333334	16.1267	19.0986
12 h after dark	17.9727	17.3373	18.4771