condition	mean	min	max
4 h after light	2.94321	2.71836	3.16806
8 h after light	5.94897	5.8177	6.08024
12 h after light	5.0062750000000005	4.64379	5.36876
4 h after dark	8.73821	7.69514	9.78128
8 h after dark	7.33029	7.15799	7.50259
12 h after dark	5.8217	5.17584	6.46756