condition	mean	min	max
4 h after light	8.653141999999999	8.461949	8.844335
8 h after light	9.836546	9.686386	9.986706
12 h after light	7.907621499999999	7.528963	8.28628
4 h after dark	8.1636445	7.880543	8.446746
8 h after dark	9.812069	8.446746	11.177392
12 h after dark	7.381545	7.381545	7.381545