Abstract. Childhood education programmes aiming at incorporating topics related to science, technology, engineering, and mathematics (STEM) have gained recognition as key levers in the progress of education for all students. Inspiring young people to take part in the discovery and delivery of science is of paramount importance not only for their well-being but also for their future human development. To address this need, an outreach model entitled OH-Kids was designed to empower pupils through the development of high-quality STEM learning experiences based on a research project. The model is an opportunity for primary school learners to meet geoscientists while receiving the take-home message that anyone can get involved in scientific activities. The effort is part of a research project aimed at the real-time monitoring of precipitation in Mexico City, which is a smart solution to rainfall monitoring using information and communications technologies. The argument behind this effort is that in order to produce the next generation of problem-solvers, education should ensure that learners develop an appreciation and working familiarity with a real-world project. Results show success at introducing the role of researchers and STEM topics to 6–12-year-old learners.

Este trabajo representa una contribución para evaluación de las condiciones de las redes de observación de la precipitación en un área urbana, a partir de la comparación entre una red de sensores de disdrómetros ópticos láser (DOL) y una red de pluviómetros de balancín (PB) en la Ciudad de México. En la metodología se seleccionaron 9 estaciones DOL y 16 estaciones PB, las cuales secompararon de dos formas: primero, a partir de la acumulación total de precipitación durante tres años y segundo, por eventos de tormenta. Los resultados indican, que el análisis por eventos de tormenta es más representativo que comparando la precipitaciónacumulada. Las mediciones son aceptables, ya que estas se comprobaron a partir de correlaciones lineales. Asimismo, se determinó que el número de eventos y la distancia entre las estaciones contribuyen en la correlación de las mediciones. Es deseable que la metodología se aplique en el control de calidad periódico de las mediciones (calibración) y sea parte de las buenas prácticas parala medición del ciclo hidrológico urbano a escala local.

<p><strong>Abstract.</strong> Childhood education aiming at incorporating topics related to science, technology, engineering, and mathematics (STEM) have gained recognition as key levers in the progress of education for all students. Inspiring young people to take part in the discovery and delivery of science is of paramount importance not only for their well-being but also for the future human development. To address this an outreach model entitled OH-Kids, was designed to empower educators and pupils through the development of high-quality STEM learning experiences based on a research project. The model is an opportunity for primary school learners to meet geoscientists at the same time as they receive the take-home message that anyone can get involved in scientific activities. The effort is part of a research project aimed at the real-time monitoring of precipitation in Mexico City, which is a smart solution to rainfall monitoring using information and communications technologies. The argument behind this effort, is that in order to produce the next generation of problem-solvers, education should ensure that learners develop an appreciation and working familiarity with a real world project. Results show success at introducing the role of the researchers and STEM topics to 6–12 year olds learners.</p>

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