condition	mean	min	max
4 h after light	11.96715	10.7408	13.1935
8 h after light	7.55042	7.42587	7.67497
12 h after light	8.124880000000001	7.91868	8.33108
4 h after dark	10.087173333333332	9.6968	10.6906
8 h after dark	11.817933333333334	11.3283	12.1472
12 h after dark	12.320666666666666	11.9507	12.657