NDSU Crop and Pest Report
Soils


ISSUE 10  July 3, 2002

 

GROWING DEGREE DAYS- 1961-1990 AVERAGE COMPARED WITH 2002

The 30 year estimated mean average GDD for all stations during May for corn was 8.3/day. If you want to estimate the 30 year estimated mean GDD for a particular field which emerged on May 24, for example, then subtracting 8.3 GDD/day X 14 days, will give you a close estimate at your location against the actual GDD for 2002 which you can extract from the NDAWN web site.

Location

Wheat (32o)
April 20 - July 1

Corn (50o)
May 10 - July 1

30 year Est. mean

2002

30 year Est. mean

2002

Bowbells

1712

1534

606

609

Bowman

1779

1602

651

644

Carrington

1820

1663

630

699

Crary

1778

1615

639

666

Dickinson

1766

1655

618

665

Fargo

1962

1864

723

810

Grand Forks

1864

1747

680

750

Hettinger

1785

1665

634

691

Jamestown

1919

1726

702

726

Langdon

1704

1521

603

602

Mandan

1883

1748

676

745

Minot

1835

1643

639

667

Williston

1911

1680

690

677

Wishek

1731

1729

614

724

Dave Franzen
NDSU Extension Soil Specialist
(701) 231-8884
dfranzen@ndsuext.nodak.edu


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