condition	mean	min	max
0 h after light	17.62125	17.3337	17.9088
4 h after light	13.185849999999999	12.2471	14.1246
8 h after light	11.1493	11.1445	11.1541
4 h after dark	15.6297	14.8901	16.3693
8 h after dark	15.9791	15.0946	16.8636
12 h after dark	18.9849	15.7303	22.2395