Table 1.

Average climatic conditions during the experimental period.

Month	Year					Mean	Year					Mean	Year					Mean
	2006	2007	2008	2009	2010		2006	2007	2008	2009	2010		2006	2007	2008	2009	2010
	Total precipitations (mm)						Average temperature (°C)
January	237.9	430.8	355.9	239.7	287.9	310.4	19.9	20.9	19.8	19.6	20.6	20.2	30.5	28.7	28.7	29.3	30.0	29.4
February	316.6	209.6	322.0	334.9	99.2	256.5	20.0	19.9	19.2	20.1	20.4	19.9	30.1	30.4	30.7	30.7	31.6	30.7
March	193.9	128.7	182.0	172.5	180.5	171.5	20.2	19.9	17.6	19.8	19.9	19.5	30.4	31.4	29.6	30.2	30.9	30.5
April	25.9	27.2	98.3	98.6	60.7	62.1	17.2	18.8	16.4	17.0	17.0	17.3	29.2	30.6	28.8	28.8	28.9	29.3
May	13.0	71.1	32.6	21.7	19.1	31.5	12.7	14.3	12.5	15.3	13.7	13.7	26.4	26.6	26.4	27.8	26.8	26.8
June	9.8	4.9	5.5	19.4	8.9	9.7	12.8	13.5	14.1	12.0	11.9	12.9	26.8	27.4	27.2	24.7	26.8	26.6
July	5.5	65.0	0.0	19.7	3.8	18.8	12.9	12.9	12.9	14.3	13.8	13.4	28.3	26.4	28.0	27.6	28.5	27.8
August	10.1	0.0	22.2	84.8	0	23.4	14.4	14.2	15.1	14.6	13.2	14.3	27.0	27.2	30.5	28.0	30.0	28.5
September	34.7	4.3	11.9	203.4	69.2	64.7	15.8	17.5	14.7	17.9	16.9	16.6	27.7	30.8	28.4	29.2	30.9	29.4
October	110.9	60.6	47.9	68.9	125.2	82.7	18.5	19.6	19.4	18.3	17.2	18.6	30.1	33.0	31.7	30.4	30.0	31.0
November	278.3	187.3	93.7	120.2	96.7	155.2	18.8	18.6	18.9	20.8	18.5	19.1	30.3	29.6	31.5	31.7	30.5	30.7
December	343.1	120.0	212.4	257.5	187.5	224.1	20.5	19.8	19.0	20.3	20.4	20.0	29.5	30.9	30.1	29.3	30.7	30.1