Open Access

Table 1

The prevailing weather conditions during the plant growth cycle in 2009 and 2010, and the mean values for the last 50 years.

Month Rainfall (mm) Temperature (°C)

2009 2010 50-year 2009 2010 50-year
mean mean

January 95.4 45.8 65.0 4.9 3.8 5.7
February 40.4 43.6 55.9 5.8 5.1 6.9
March 23.6 42.6 57.1 8.7 8.3 9.2
April 105.4 48.9 66.6 11.7 12.5 11.5
May 44.4 118.1 77.2 16.8 14.3 15.3
June 39.4 52.6 61.1 20.1 18.8 18.9
July 41.2 62.3 47.1 21.7 22.6 21.5
August 20.0 23.2 58.3 22.7 20.9 21.3
September 46.8 31.0 55.9 18.9 18.0 18.5
October 35.6 104.8 56.8 15.0 13.4 14.4
November 102.2 91.5 57.2 10.9 9.0 9.0
December 34.6 21.1 68.1 5.9 4.1 6.2

Mean 13.6 12.6 13.2
Annual total 629 685.5 726.3
Mean Mar-Sept 17.2 16.5 16.6
Sum Mar-Sept 320.8 378.7 423.3
Mean May-July 19.5 18.6 18.6
Sum May-July 125.0 233.0 185.4

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