condition	mean	min	max
4 h after light	9.211285	7.69827	10.7243
8 h after light	7.590249999999999	6.6826	8.4979
12 h after light	9.40426	9.21996	9.58856
4 h after dark	10.747303333333333	9.88761	11.9259
8 h after dark	11.402913333333332	8.08344	13.6885
12 h after dark	11.665066666666666	10.9411	12.6805