agriculture.alberta.ca

Website:http://agriculture.alberta.ca
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1

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Source: agriculture.alberta.ca

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to use the alberta climate information service

Source: agriculture.alberta.ca

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average relative humidity


A dimensionless ratio, expressed in percent, of the amount of atmospheric moisture present relative to the amount that would be present if the air were saturated. Since the latter amount is dependent [..]
Source: agriculture.alberta.ca

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t = (tmax


+ Tmin
Source: agriculture.alberta.ca

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average wind direction


The true direction from which the wind is blowing at a given location (i.e., wind blowing from the north to the south is a north wind). It is measured in degrees from 1 degree clockwise through 360 de [..]
Source: agriculture.alberta.ca

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average wind speed @ 10m


The rate at which air is moving horizontally past a given point, measured in kilometers per hour at a height of 10 metres above the ground. Average Wind Speed @ 2m (km/h):
Source: agriculture.alberta.ca

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climate id


A unique identifier assigned by the Meteorological Service of Canada for each location having archived observations. Corn Heat Unit (CHU):
Source: agriculture.alberta.ca

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chu = (1.8((tmin


4.4) + 3.3(Tmax
Source: agriculture.alberta.ca

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where: tmax


Daily maximum temperature (°C)    Tmin
Source: agriculture.alberta.ca

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crop moisture use


The amount of moisture that a crop uses for growth, expressed in millimeters. Date of First Fall Frost:
Source: agriculture.alberta.ca


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