condition	mean	min	max
4 h after light	120.7655	111.967	129.564
8 h after light	86.1474	79.4072	92.8876
12 h after light	91.63605	88.746	94.5261
4 h after dark	136.45	134.66	138.24
8 h after dark	163.4565	159.027	167.886
12 h after dark	193.0275	190.838	195.217