condition	mean	min	max
4 h after light	6.77956	6.621669	6.937451
8 h after light	6.8355239999999995	6.798858	6.87219
12 h after light	7.318175	6.937451	7.698899
4 h after dark	7.136267	7.133287	7.139247
8 h after dark	6.7760385	6.559353	6.992724
12 h after dark	6.574283	6.574283	6.574283