condition	mean	min	max
4 h after light	13.1267225	12.407158	13.846287
8 h after light	9.10572	8.961817	9.249623
12 h after light	9.2129125	9.144601	9.281224
4 h after dark	9.122578	8.901485	9.343671
8 h after dark	9.629835	9.34047	9.9192
12 h after dark	12.685265	12.685265	12.685265