Agroclimatic Atlas Of Canada

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Potential EvapoTranspiration

1.1 Annual Potential EvapoTranspiration
50% Probability

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1.2 Seasonal EvapoTranspiration
50% Probability

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Seasonal Water Deficits

50% Probability
100 mm storage


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10% Probability
100 mm storage


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50% Probability
25 mm storage


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10% Probability
25 mm storage


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Climatic Moisture Indices

Climatic Moisture Indices


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Spring Freeze Dates

Average Dates of Last Spring
Freeze of 0° C


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Dates of Last Spring Freeze
of 0°C, 10% Probability


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Average Dates of Last Spring
Freeze of -2° C


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Dates of Last Spring Freeze
of -2°C, 10% Probability


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Fall Freeze Dates

Average Dates of First Fall
Freeze of 0° C


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Dates of First Fall Freeze
of 0°C, 10% Probability


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Average Dates of First Fall
Freeze of -2° C


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Dates of First Fall Freeze
of -2°C, 10% Probability


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Freeze-Free Dates

of 0°C


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of -2°C


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Soil Water Reserves in the Prairie Provinces

Reserves for Spring Wheat
for May 1 planting on summerfallow


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Reserves for Spring Wheat
for May 20 planting on summerfallow


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Reserves on October 1
after spring wheat seeded on May 1


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Reserves on October 1
after spring wheat seeded on May 20


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Reserves on May 1
for the summerfallow year


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Reserves on October 1
for the summerfallow year


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Water deficits
50% probability


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Mean Soil Temperatures

Mean Annual Temperatures
at 10 cm


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Mean Annual Temperatures
at 20 cm


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Mean Annual Temperatures
at 50 cm


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Mean Summer Temperatures
at 10 cm


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Mean Summer Temperatures
at 20 cm


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Mean Summer Temperatures
at 50 cm


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Mean Temperatures on May 1
for the Prairie Provinces


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Mean Temperatures on May 20 for the Prairie Provinces


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Thermal Resources for Maturing Crops

Spring Wheat


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Barley


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