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 city in the south of Poland sees an average daily temperature of 19Â°C (around 65Â°F), warm and pleasant to get outside and enjoy the warmer days, seeing the sights of the city. The highs for the month reach all the way to 25Â°C (about 77Â°F) and the lows drop down... Averages for Krakow in July. Temperature.