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Figure 4. Comparison of days for favorability to pollen dispersal. A standard diurnal pattern of pollen emission was applied to actual weather conditions on each of the days between 25 June and 9 July 2005. Simulations of dispersal and deposition were run in CALPUFF. The height of each bar is the sum of the number of pollen grains modeled to be deposited at 360 receptor sites located in a ring (one receptor per degree) with a radius of 3 km from the test plot. Complete weather data for 1 July were not available.
