condition	mean	min	max
4 h after light	48.57145	46.8293	50.3136
8 h after light	49.74895	48.5125	50.9854
12 h after light	51.96125	46.9364	56.9861
4 h after dark	81.207	78.6204	83.7936
8 h after dark	70.76915	67.7628	73.7755
12 h after dark	61.1597	59.1557	63.1637