condition	mean	min	max
4 h after light	16.168873	15.09635	17.241396
8 h after light	17.559112	15.671299	19.446925
12 h after light	14.079502	13.062654	15.09635
4 h after dark	12.5417485	12.420785	12.662712
8 h after dark	14.554140499999999	14.124075	14.984206
12 h after dark	25.82732	25.82732	25.82732