condition	mean	min	max
3 h after light	19.0869	17.2329	22.417
6 h after light	7.04225	4.23392	10.2459
9 h after light	7.43504	3.06594	12.4729
12 h after light	14.062675	10.566	20.888
3 h after dark	23.56576666666667	16.2939	31.0883
6 h after dark	21.8806	12.9063	37.0689
9 h after dark	9.349333333333334	5.7095	11.7215
12 h after dark	12.1228	10.2622	13.9834