Pool evaporation rate southern california. Evaporation rates depend on both geographic and environmental factors. Wondering how much water actually evaporates from a pool? Or if your pool water is evaporating or just leaking out? This guide can help. The questions we address are as follows: How much water is evaporated across the natural and managed ecosystems of California? How much does evaporation vary during the booms and busts in annual rainfall? and Is evaporation increasing with time due to a warming climate? Sep 5, 2024 · The Pool Evaporation Rate Calculator is a handy tool designed to estimate the rate at which water evaporates from a swimming pool’s surface. If you would prefer to manually browse the data, we offer a text-based listing of zones and data for Water Balance values or for Irrigation Scheduling and Design values. By accurately calculating the rate of water loss due to evaporation, this innovative calculator serves as a vital resource for pool owners worldwide, aiming to maintain optimal water levels and ensure Jan 25, 2025 · Swimming Pool Evaporation Factors Pool evaporation is a natural process influenced by multiple environmental and operational factors. How much, exactly? And how do you prevent it? Use our evaporation loss calculator to accurately measure water loss in reservoirs, pools, and industrial systems; this tool helps you understand evaporation rates, factors affecting loss, and ways to mitigate it, ensuring efficient water management and cost savings. Mar 6, 2019 · The model is forced with high-resolution remote sensing data (1 km). Nov 23, 2025 · A 2013 peer-reviewed study published in the “Journal of Irrigation and Drainage Engineering” found that evaporation rates for outdoor swimming pools in Central California averaged between 0. 75 cm) per day, depending on the season and weather conditions. The Evaporation Estimatorprovides the estimated evaporation rate from these variables for a particular pool on a particular day. It can be estimated that a 400 square foot pool will lose approximately 19,664 gallons of water per year to evaporation. The difference in temperature between your pool water and the outside air is what causes evaporation. Jan 16, 2026 · Use this chart to estimate how much water your pool is likely losing under current conditions, compare normal versus excessive evaporation, and understand why two pools in the same neighborhood can experience very different water loss rates. Jul 9, 2024 · Your pool system works harder to accommodate changing water levels from evaporation, putting wear and tear on pool equipment. Evaporation naturally decreases the temperature of your pool when the heat of the liquid water is converted to water vapor. Feb 17, 2023 · Your pool loses a measurable amount of water every day through "pool water evaporation". Apr 16, 2025 · Left unchecked, evaporation affects a pool's chemical balance and the integrity of the pumping and filtration systems. The rate at which water evaporates from your swimming pool depends on complex interactions between atmospheric conditions, water temperature, and pool usage patterns. The California Spa and Pool Industry Education Council estimates a half-inch to two inches of evaporation per week. 5–0. Splash Out The Pool Evaporation Calculator is an indispensable tool designed to tackle the often overlooked aspect of pool maintenance: water evaporation. By inputting key factors such as pool surface area, temperature difference, wind speed, and humidity factor, users can quickly determine the approximate amount of water lost due to evaporation over a certain period. 3 inches (0. Here’s an easy explanation on why this water evaporation occurs. These values are best estimates of evapotranspiration throughout California. How to Measure Pool Evaporation There are 3 ways to measure pool evaporation, each varying in accuracy and complexity: Direct measure Estimate using evaporation rate maps and data Calculate using mathematical equations Direct measurement tracks water loss over time, while Jan 25, 2025 · Swimming Pool Evaporation Factors Pool evaporation is a natural process influenced by multiple environmental and operational factors. ndwnl jlef tnwplg fxejk gzsqbf adopai mcb ycuhr cavsojc nhb