condition	mean	min	max
3 h after light	13.066986666666667	9.17736	16.1748
6 h after light	11.258713333333333	9.11844	12.6333
9 h after light	11.957966666666668	11.2613	13.3492
12 h after light	16.161575	13.594	18.748
3 h after dark	15.3794	12.0348	17.1979
6 h after dark	22.9374	15.8805	27.083
9 h after dark	18.010233333333332	13.8118	22.2598
12 h after dark	15.97675	15.9694	15.9841