condition	mean	min	max
4 h after light	5.586075	5.37173	5.80042
8 h after light	5.829395	4.54418	7.11461
12 h after light	4.403545	3.8302	4.97689
4 h after dark	3.271465	2.86952	3.67341
8 h after dark	4.364385	4.07239	4.65638
12 h after dark	4.77178	4.71902	4.82454