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Grape Growing Degree-Days for California |
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| Last Update: July 21, 2008 |
Next Update: July 21, 2008 |
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| Growing Degree-Day accumulations are a reasonably good predictor for the rate of grapevine growth during the season and the level of fruit maturity in the fall. Shown below are the season to date Growing Degree-Days starting March 15 for several grape-growing areas in California. | |||||||
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From March 15 to update date. |
Compared to "Normal" 2008 is | ||||||
| Normal | 2007 | 2008 | Ahead (+), Behind (-) | ||||
| North Valley | |||||||
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Manteca (CIMIS 070) |
1893 | 2034 | 1943 | +2 days | |||
| Central Valley | |||||||
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Parlier (CIMIS 039) |
2304 | 2467 | 2361 | +2 days | |||
| South Valley | |||||||
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Shafter (CIMIS 005) |
2369 | 2468 | 2355 | -1 days | |||
| North Coast | |||||||
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Oakville (CIMIS 077) |
1604 | 1663 | 1564 | -2 days | |||
| Central Coast | |||||||
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Atascadero (CIMIS 163) |
1754 | 1586 | 1545 | -10 days | |||
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