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.