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Forecast of the Day • A National Weather Forecasting Contest

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Thursday November 1, 2018

Assignment: Predict the 24 hr minimum temperature (deg F) for Grand Canyon, AZ (KGCN)

We're getting into the time of the year when there can be a lot of uncertainty in the amount of nighttime cooling possible when there is some uncertainty in cloud cover, wind speed or dew point temperatures. It seems like that kind of situation in Grand Canyon, Arizona on Thursday morning. So let's predict the Tmin for Grand Canyon and see how it comes out. The observing site is at Grand Canyon National Park Airport, a few miles south of the National Park.

Question of the Day: Why can dew point temperature be an important factor for forecasting minimum temperatures?

Forecasts for Grand Canyon, AZ (KGCN)
Forecaster Tmin, deg F (error) Comment Day Score