Respiratory exchange ratio. The respiratory exchange ratio (RER) is the ratio between the amount of carbon dioxide (CO2) produced in metabolism and oxygen (O2) used.[1] Humans typically inhale more molecules of oxygen than they exhale of carbon dioxide because air contains much more oxygen by volume.
Jackson Hole Wyoming Weather & Seasons. 1  The busiest season in Jackson is the summer, particularly in July and August where visitors can enjoy temps between 70 and 90 degrees. September is still summery in temperature (besides cold nights), but is quieter. The fall months, October and November, are unpredictable.
The month of July in Bend experiences decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 28% to 17%. The clearest day of the month is July 29, with clear, mostly clear, or partly cloudy conditions 83% of the time. For reference, on January 16, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 63%, while on July 29, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 83%.