16 April: Overcast, fog, cold. At seven thirty, 38°F [3.3°C]. Wind from the east. Our boat [Page 3:163] has been equipped and readied for departure. Dreidoppel went with Charbonneau to the site of Lewis and Clark’s old fort. At twelve o’clock, 54°F [12.2°C]. East wind. Toward evening, Picotte sailed for Fort Union. Weather cool.