condition	mean	min	max
0 h after light	19.08255	16.5084	21.6567
4 h after light	10.954965	9.49453	12.4154
8 h after light	6.714729999999999	6.02747	7.40199
4 h after dark	8.992775	8.91381	9.07174
8 h after dark	10.3017	10.2585	10.3449
12 h after dark	15.3552	13.4392	17.2712