Identify Months of Comfort and Discomfort Using the Temperature-Humidity Index at Selected Stations in Iraq

In this research, the months of comfort and discomfort were identified using the Temperature-Humidity Index in selected stations in Iraq (Mosul, Baghdad, Basra) using data of the temperature and relative humidity values of the period (1983-2019) obtained from the Iraqi Meteorological organization and Seismology. The results showed that the months of discomfort in the three study stations were (January, July, August, December), while the months of comfort in the three study stations were both (April, September), while the months (February, March, June, September, November) alternated between comfort and discomfort in the three study stations. This research also clarified the effect of both temperature and relative humidity on the values of the Temperature-Humidity Index by clarifying the nature of the relationship between them by calculating the coefficient of correlation using Microsoft Excel (2010), where the results showed a linear strong correlation between temperature and Temperature-Humidity Index values, where the values of correlation coefficients ranged between (0.996) – (0.997), while the correlation was inversely strong between relative humidity and Temperature-Humidity Index values where the values of correlation coefficients ranged between (-0.985) – (-0.959) in the study stations, this indicates that the increase in the value of temperature and decrease relative humidity leads to an increase in the values of the Temperature-Humidity Index, and vice versa.

Keywords:

Comfort

Discomfort

Temperature – Humidity Index

Iraq

Climate

Main Subjects:

Physics

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