Over the past 24 hours in New York City, the temperature has shown a slight upward trend, indicating a mild increase which could be associated with typical diurnal variation. Humidity levels have fluctuated significantly but remained high for the most part, suggesting a potential for fog or drizzle, especially during the periods of highest humidity. Air pressure has experienced minor variations, with a slight overall decrease, which could be indicative of an approaching weather system that might bring changes in weather patterns. Wind speed remained largely calm with occasional light breezes, which would not likely contribute to significant wind chill or dispersion of any atmospheric pollutants. The wind direction varied widely throughout the period, which could point to an unstable local atmospheric circulation pattern.