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Lange Weather Station
Online Wheat Growing Degree Day Calculator
Calculate the Cumulative Growing Degree Days starting from your planting date to any ending date within the growing season
Range starting from 10/1/2003 --------------> 7/04/2004
Range starting from 10/1/2004 --------------> 7/04/2005
Range starting from 10/1/2005 --------------> 7/04/2006
GDD = Ta - Tbase, if Ta is greater than Tbase
Planting Date
End Date
GDD = 0, if Ta is less than or equal to Tbase
Month
Day
Year
Month
Day
Year
Where: Tbase = temperature base, usually 40F
10
11
12
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
2003
2004
2005
1
2
3
4
5
6
7
10
11
12
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
2004
2005
2006
Ta = average temperature
Ta = (Tmax + Tmin) / 2
Cumulative GDD from planting date to end date
Cumulative rainfall from planting date to end date
inches
Wheat
Planting Date 4" Bare Soil Temperature @ 10:00 A.M.
degrees F
Growth
Planting Date + 1 day 4" Bare Soil Temperature @ 10:00 A.M.
degrees F
Stage
GDD
Planting Date + 2 days 4" Bare Soil Temperature @ 10:00 A.M.
degrees F
180
Planting Date + 3 days 4" Bare Soil Temperature @ 10:00 A.M.
degrees F
250
Planting Date + 4 days 4" Bare Soil Temperature @ 10:00 A.M.
degrees F
360
Planting Date + 5 days 4" Bare Soil Temperature @ 10:00 A.M.
degrees F
715
1360
1571
2049
2672
2864
Disclaimer notice: Lange Weather Station and/or other affiliates will not be responsible for any management decision(s) solely implemented from calculated results. This tool is provided as an additional resource in your decision making processes. Thank you for cooperating and visiting.
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