This can only happen when the relative humidity is very high.
Relative humidity is low in the summer months with a 3 pm average of around 30%.
The relative humidity is particularly low - up to 60%.
The relative humidity over 75% occur during at least six months.
The relative humidity should be maintained between 80 and 90%.
It also has an annual relative humidity between 70% and 75%.
Relative humidity in storage should be kept at 15 to 40 percent.
Relative Humidity varies from 70% during the day to 90% at night.
The relative humidity that day was high at 60%-85%, making the race less comfortable.
They are most effective at 68 80 F and high relative humidity.
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