0000 hPa
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The pressure in Hereford, United States is predicted to rise over the next few hours, with an average pressure of 1021.8 hPa today, which is considered normal.
Weather prediction: Expect fair, dry, cool weather and a strong breeze
The daily total fluctuation in pressure in Hereford is 7.4 hPa, with a low of 1017.4 hPa and a high of 1024.8 hPa. The daily average here is higher than in most cities around the world.
The barometric pressure in Hereford, Arizona is typically high during the summer months. It often reaches 30.2 inches of mercury. In the winter, it drops to around 29.8 inches. This slight variation has a minimal impact on daily life.
Hereford is surrounded by mountains to the east and west. The San Rafael Valley lies to the south. The surrounding landscape affects the atmospheric pressure. The mountains block moisture from the Gulf of California. This keeps the air dry and contributes to the high pressure.
The valley allows cool air from the north to enter the area. This cool air sinks, causing the pressure to rise. The unique combination of mountains and valley shapes the local climate.