Region

Year

Avg. air temp.^†

(˚C)

Total rainfall^‡

(cm)

Planting date^§

Days to 120 AGDD^¶

(d)

Avg. bare soil temp.^#

(˚C)

NE

2013

11.6

15

5/18

31

13.5

2014

12.3

6

5/16

14

15.9

NW

2013

11.8

14

5/17

26

13.9

2014

12.0

6

5/17

16

16.8

SE

2013

13.0

11

5/12

16

14.8

2014

13.1

5

5/21

12

19.7

SW

2013

12.3

20

5/7

22

16.0