condition	mean	min	max
3 h after light	17.813033333333333	15.987	19.1768
6 h after light	20.829700000000003	19.5191	23.4368
9 h after light	17.3553	15.8847	18.3009
12 h after light	19.0763	17.8673	20.9197
3 h after dark	34.9404	31.4286	40.8395
6 h after dark	20.4547	19.2672	22.2293
9 h after dark	18.555666666666667	17.3572	20.0901
12 h after dark	16.63345	15.0667	18.2002