De astro pagina van RobB
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    Cloud Cover Forecast
    Overcast 90% covered 80%covered 70% covered 60% covered 50% covered 40% covered 30% covered 20% covered 10% covered Clear

    Transparency Forecast
    Very Poor Poor Average Good Excellent

    Wind Speed Forecast
    Calm Light Moderate Strong Storm

    Relative Humidity Forecast
    <29% 30%-35 % 35%-40% 40%-45% 45%-50% 50%-55% 55%-60% 60%-65% 65%-70% 70%-75% 75%-80% 80%-85% 85%-90% 90%-95% 95%-99% 100%


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