condition	mean	min	max
4 h after light	4.4317899999999995	4.3777800000000004	4.534669999999999
8 h after light	4.35288	4.29686	4.42061
12 h after light	4.309576666666667	4.18685	4.3887
4 h after dark	4.3376	4.22147	4.4043
8 h after dark	4.41244	4.29357	4.53996
12 h after dark	4.278396666666667	4.10374	4.49771