condition	mean	min	max
4 h after light	12.563423333333333	9.66567	14.1322
8 h after light	9.351043333333333	2.95293	14.4583
12 h after light	13.48346	7.49768	19.0492
4 h after dark	22.2414	16.9822	25.8711
8 h after dark	17.923833333333334	15.5646	20.798
12 h after dark	11.831	11.0131	13.2122