Varieties Group

Location

Latitude

Average yearly temperature

(C°)

Extreme high temperature

(C°)

Extreme low temperature

(C°)

Yearly average rainfall

(mm)

Freeze free period

(Day)

Yearly average sunshine hour

(H)

Central Plain Variety Group

Beijing

34°40´

14.5

42.5

-18

610.2

220

2200-2300

Heze

35°20´

13.06

37.1

-19.8

706.6

212

2579.0

Luoyang

39°56´

12.2

36.78

-14.8

603

190

2780.2

Northwest Variety Group

Lanzhou

36°

9.1

36.8

-21.7

327.7

130

2607.6

Lintao

35°35´

6.8

36.2

-27.8

501.7

162

1239.0

Linxia

35°56´

7.0

34.6

-29.6

565.2

163

2437.9

South Variety Group

Chongqing

25°

14.7

31.5

-5.4

1012

341

2300.6

Kunming

29°36´

18.0

43.8

-3.8

1050

345

1259.5

Shanghai

31°1´

15.7

38.9

-10.0

1120

230

2000