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Annual (1996-2001)

 

Winter (December-February)

Spring (March-May)

 

Summer (June-August)

Fall (September-November)

 

The following annual wind roses, for nighttime and daytime hours, indicate the diurnal wind direction pattern at GRC474 Drainage flow patterns may vary slightly from rim site to rim site, but should in general be southerly during nighttime drainage flow into the canyon.

 

Night (0100-0600)

Day (1300-1800)

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