condition	mean	min	max
4 h after light	17.962902500000002	15.293957	20.631848
8 h after light	21.566101500000002	21.340827	21.791376
12 h after light	28.257423000000003	26.737182	29.777664
4 h after dark	16.7959925	14.462736	19.129249
8 h after dark	17.9223435	13.972125	21.872562
12 h after dark	14.680403	14.680403	14.680403