The relative humidity in NYC does not vary much from 60-65%. Absolute humidity is measured as grams water per cubic meter and is virtually never reported because what is relevant to human comfort is evaporation.
Indoor humidity in the winter is generally low because increasing the temperature without adding moisture is lowers relative humidy.
Indoor humidity in the winter is generally low because increasing the temperature without adding moisture is lowers relative humidy.
https://weather-and-climate.com/average-monthly-Humidity-per...