condition	mean	min	max
4 h after light	9.33604	8.58008	10.092
8 h after light	4.468534999999999	4.44588	4.49119
12 h after light	2.735685	2.65725	2.81412
4 h after dark	5.62285	5.11735	6.12835
8 h after dark	6.620915	5.78702	7.45481
12 h after dark	8.544605	8.4507	8.63851