The UVM Grape Program:

Extension and Research for the commercial grape grower in Vermont and beyond...

Dr. Lorraine Berkett,  Terence Bradshaw,  Sarah Kingsley-Richards, Morgan Cromwell

2007 Growing Degree Day Accumulation for Select Vermont Sites

2007  Estimated Degree-Day Accumulation (Base 50F, from Jan. 1) for Selected Sites

Date

South Hero   Grand Isle Co.

Elev. 54M

South Burlington Chittenden Co.

Elev. 71 M

   New Haven    Addison Co.

Elev. 122 M

        Benson            Rutland Co.

Elev. 189 M

Dummerston Windham Co.

Elev. 171 M

4/01

 8 11 12 13 24
4/07 9 12 13 14 25
4/15 9 12 13 14 25
4/21 23 24 25 26 39
4/28 62 64 65 66 81
5/05 79 83 86 86 109
5/12 161 167 167 164 193
5/19 186 192 194 191 231
5/27 279 284 284 281 332
6/02 367 375 378 377 430
6/09 457 463 464 460 513
6/16 587 587 581 561 610
6/23 697 696 688 667 717
6/30 832 830 820 795 856
7/07 933 926 915 886 955
7/14 1060 1055 1043 1015 1098
7/21 1175 1169 1152 1123 1224
7/31 1391 1381 1354 1317 1435
8/04 1478 1491 1449 1410 1535
8/11 1598 1612 1567 1529 1663
8/18 1726 1711 1678 1638 1780
8/25 1828 1813 1777 1733 1879
9/02 1955 1941 1906 1861 2023
9/09 2065 2053 2019 1975 2142
9/16 2122 2111 2077 2030 2203
9/23 2205 2191 2153 2103 2277
9/30 2299 2287 2252 2198 2380
10/07 2377 2366 2330 2277 2471
10/14 2399 2391 2357 2304 2502
10/21 2446 2438 2403 2350 2554
10/31 2485 2482 2445 2389 2604

Degree Day and other weather information received from Skybit E-Weather Service: http://www.skybit.com/

To compare Growing Degree Days and Grape Phenological Stages, please see the following webpage for  the Lake Erie Region:

http://lergp.cce.cornell.edu/PhenDate.htm

Please send comments and suggestions to:  lorraine.berkett@uvm.edu

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