0000 hPa
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The pressure in San Tan Valley, United States is predicted to rise over the next few hours, with an average pressure of 1019.9 hPa today, which is considered normal.
Weather prediction: Expect fair, dry, cool weather and a strong breeze
The daily total fluctuation in pressure in San Tan Valley is 4.8 hPa, with a low of 1017 hPa and a high of 1021.8 hPa. The daily average here is higher than in most cities around the world.
The barometric pressure in San Tan Valley fluctuates throughout the day. It is affected by the movement of high and low-pressure systems. Weather fronts also influence the pressure.
The city is situated in the Sonoran Desert. The desert landscape is characterized by flat plains and scattered mountain ranges. The nearby Superstition Mountains have a gentle slope.
The mountains do not obstruct the flow of air into the valley. Air masses can move freely, causing pressure changes. This landscape feature contributes to the varying pressure.