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Growing Degree Days

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Base temperatures used in calculating GDD vary depending on the type of plant or pest that is being monitored. This number represents the temperature at which you will typically begin to see plant or pest growth. The base temperature most often used in USA calculations is 10°C, because it is the temperature when active growth begins for most organisms. However, in the UK’s cooler environments many turf managers use 6°C, occasionally 0°C is used as the base temperature. For more information on which base temperature best suits your turf management plan, please contact your local Syngenta contact.

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Growing Degree Days for Stockholm
Total GDD for the date range of 08/31/2020 - 09/30/2020 : 219.1
Datum Temp: High / Low Daily GDD YTD GDD
30/09/2020 13.3 °C / 8.4 °C 5.5 1308.5
29/09/2020 14.6 °C / 11.8 °C 6.9 1303
28/09/2020 16.6 °C / 10.4 °C 6.8 1296.1
27/09/2020 17.6 °C / 11.3 °C 7.9 1289.3
26/09/2020 16.3 °C / 12.2 °C 7.7 1281.4
25/09/2020 16.6 °C / 8.7 °C 7 1273.7
24/09/2020 18.6 °C / 11.1 °C 8.5 1266.7
23/09/2020 18.3 °C / 10 °C 7.6 1258.2
22/09/2020 16 °C / 8 °C 5.7 1250.6
21/09/2020 19.6 °C / 9.7 °C 8.8 1244.8
20/09/2020 17.2 °C / 9.1 °C 6.8 1236
19/09/2020 15.4 °C / 9.3 °C 6.3 1229.2
18/09/2020 18.4 °C / 6.8 °C 6.8 1223
17/09/2020 13.6 °C / 4.1 °C 3.4 1216.1
16/09/2020 18.6 °C / 9.3 °C 6.8 1212.7
15/09/2020 20.1 °C / 12.3 °C 9.5 1205.9
14/09/2020 19.5 °C / 11.8 °C 9.1 1196.4
13/09/2020 16.8 °C / 6.4 °C 5.6 1187.3
12/09/2020 15.5 °C / 10 °C 6.7 1181.8
11/09/2020 15.5 °C / 8.3 °C 6.2 1175
10/09/2020 14.7 °C / 8.4 °C 5.6 1168.8
09/09/2020 15.4 °C / 8 °C 6 1163.3
08/09/2020 17.5 °C / 10.9 °C 7.5 1157.3
07/09/2020 16.9 °C / 7.9 °C 7 1149.8
06/09/2020 16 °C / 8 °C 6.7 1142.8
05/09/2020 16 °C / 10.7 °C 7.9 1136
04/09/2020 16.4 °C / 12.3 °C 8.4 1128.2
03/09/2020 16.5 °C / 13.5 °C 8.6 1119.7
02/09/2020 16.2 °C / 11.3 °C 7.7 1111.2
01/09/2020 18 °C / 8.8 °C 7.7 1103.5
31/08/2020 14.2 °C / 10.9 °C 6.4 1095.8