condition	mean	min	max
4 h after light	69.04305	66.8068	71.2793
8 h after light	60.80075	60.7864	60.8151
12 h after light	66.6868	63.0839	70.2897
4 h after dark	72.6031	71.1241	74.0821
8 h after dark	70.0094	68.4871	71.5317
12 h after dark	76.53125	76.1233	76.9392