Year

Growing Season (days)

Planting to

890 ˚C-Early

(days)

Planting to 1000 ˚C-Intermediate (days)

Planting to 1110 ˚C-Late

(days)

Average

(˚C/day) ± SD

1996

161

85

97

112

10.2 ± 0.3

1997

146

95

107

123

9.2 ± 0.2

1998

175

71

81

94

12.2 ± 0.4

1999

141

83

92

104

10.8 ± 0.1

Average

156

84

94

108

SD

15

10

11

12