Figure 4. Wind direction at the mouth of the Williamson River (WMR) and Klamath Falls Airport (KLMT) near Upper Klamath Lake, Oregon (see fig. 1 for site locations): (A) daily mean wind direction at sites WMR and KLMT during 2005–09; (B) difference between the daily mean wind direction at KLMT and WMR during 2005–09. The daily mean wind direction is defined as the direction of the vector whose orthogonal components are the daily mean of the east-west and north-south wind components.

First posted October 27, 2010