Table 2 Climatic data at Kahoku

Temperature (°C)

 Mean

25.9 ± 2.1

3.3 ± 2.7***

26.1 ± 2.1

3.1 ± 2.8***

 Maximum

29.5 ± 2.7

6.6 ± 3.8***

29.8 ± 2.8

6.4 ± 3.7***

 Minimum

22.8 ± 1.7

-0.3 ± 2.3***

22.8 ± 1.6

-0.1 ± 2.1***

Sunshine duration (h)

5.66 ± 4.40

1.91 ± 2.73*

5.55 ± 4.26

2.29 ± 2.60

Precipitation (mm)

1.14 ± 2.35

8.93 ± 9.37

7.83 ± 18.80

5.08 ± 7.23

Maximum wind speed (m/s)

6.15 ± 2.03

9.01 ± 3.24

5.36 ± 1.95

7.05 ± 2.99

Day length (h)^a

14.2 ± 0.2

10.3 ± 0.3***

14.1 ± 0.2

10.4 ± 0.3***