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.
Average Weather in May at Jackson Hole Airport Wyoming, United States. At Jackson Hole Airport, the month of May is characterized by rapidly rising daily high temperatures, with daily highs increasing by 10Â°F, from 55Â°F to 64Â°F over the course of the month, and rarely exceeding 76Â°F or dropping below 42Â°F.