condition	mean	min	max
4 h after light	14.91925	14.0177	15.8208
8 h after light	12.3831	12.319	12.4472
12 h after light	11.4118	10.7111	12.1125
4 h after dark	14.44255	13.1379	15.7472
8 h after dark	14.8637	14.3813	15.3461
12 h after dark	14.7914	13.9284	15.6544