condition	mean	min	max
4 h after light	8.112565	6.13713	10.088
8 h after light	10.85125	10.1866	11.5159
12 h after light	26.5456	19.566	33.5252
4 h after dark	4.513756666666667	4.40339	4.61267
8 h after dark	6.318473333333333	5.44776	7.03056
12 h after dark	3.16379	2.51933	3.59879