Period (month/day)

Average night temperature (˚C)

PGR of Da107 (%)

error

PGR of first (%)

Error

8/7 - 8/9

26.43

4.34

0.95

67.45

1.65

10/5 - 10/7

25.91

11.06

0.9

79.12

1.79

2/11 - 2/13

23.05

33.61

1.65

68.70

1.07

12/9 - 12/11

16.42

56.21

2.41

65.60

1.68

Correlation coefficient with temperature

−0.97^**

0.56