condition	mean	min	max
4 h after light	9.056955	8.22851	9.8854
8 h after light	11.4953	10.3095	12.6811
12 h after light	13.8808	12.3358	15.4258
4 h after dark	17.2247	16.8619	17.5875
8 h after dark	14.1327	13.4961	14.7693
12 h after dark	13.044	12.0747	14.0133