Table 2 Comparison between climate variables in the current 1996–2007 study period and the previous decade.

Average daily temperature in spring

10.3

10.9

0.0048*

Average daily temperature in summer

17.8

18.4

0.0001*

Average daily temperature in July

19.0

18.7

0.3033

Average daily temperature in autumn

11.0

11.7

0.0005*

Average daily temperature in winter

4.68°C

5.24°C

0.0048*

Annual average daily temperature

10.7°C

11.4°C

0.0000*

Annual average daily rainfall

2.30 mm

2.37 mm

0.5461

Average daily rainfall in summer

73.70 mm

81.30 mm

0.4722