condition	mean	min	max
4 h after light	12.69255	12.1848	13.2003
8 h after light	12.905100000000001	11.8983	13.9119
12 h after light	13.7682	13.5639	13.9725
4 h after dark	17.925150000000002	16.542	19.3083
8 h after dark	13.9525	13.488	14.417
12 h after dark	14.11895	13.9434	14.2945