Chilling and Growing Degree Hour Information for Various Locations Around the State
Choose an ending year: Current 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005
October 1, 2019 through February 15, 2020
Location | Total Std. chill hours | Total Mod. chill hours | Last Data (Days) |
---|---|---|---|
Auburn University Turf Unit (Auburn) | 617 (713 last year) | 440 (597 last year) | 02/15/20 (138) |
Black Belt REC (Marion Junction) | 786 (902 last year) | 527 (714 last year) | 02/15/20 (138) |
Brewton Ag Research Unit (Brewton) | 678 (743 last year) | 444 (588 last year) | 02/15/20 (138) |
Chilton County REC (Thorsby) | 778 (973 last year) | 514 (773 last year) | 02/15/20 (138) |
Durbin Farms (Clanton) | 734 (905 last year) | 506 (729 last year) | 02/15/20 (138) |
EV Smith Research Center HQ (Shorter) | 645 (855 last year) | 389 (678 last year) | 02/15/20 (115) |
Gulf Coast Station REC (Fairhope) | 428 (589 last year) | 294 (471 last year) | 02/15/20 (138) |
Sand Mountain REC (Crossville) | 786 (1363 last year) | 454 (1043 last year) | 01/20/20 (112) |
Tennessee Valley REC (Belle Mina) | 893 (1215 last year) | 544 (951 last year) | 01/27/20 (119) |
Upper Coastal Plain Substation (Winfield) | 1084 (1226 last year) | 724 (954 last year) | 02/15/20 (125) |
Winfred Thomas Ag Research Unit (Hazel Green) | 1158 (1326 last year) | 798 (1017 last year) | 02/15/20 (138) |
Wiregrass REC (Headland) | 507 (636 last year) | 377 (540 last year) | 02/15/20 (138) |
Chill totals for previous years do not include data past February 15.
Comparison data is for the same month and day last year.
The (Days) value after the date indicates the number of days used in calculations
GDH Values Descriptions
Range (GDH cumulations) | Description |
---|---|
5000-6000 | Full Bud Swell/First Green |
6000-8000 | Pre-Pink (Calyx green/red) |
8000-9200 | Pink Bud |
9200-10400 | 50% Bloom |
Auburn University Turf Unit (Auburn) | ||||
---|---|---|---|---|
Chill Requirement | Date Chilling Met | GDH Total | Date Modified Chilling Met | Chilling Hours Modified |
450 | 01/21/20 | 7186.8 | Not met | 0 |
550 | 02/02/20 | 5371.2 | Not met | 0 |
650 | Not met | 0 | Not met | 0 |
750 | Not met | 0 | Not met | 0 |
850 | Not met | 0 | Not met | 0 |
950 | Not met | 0 | Not met | 0 |
1050 | Not met | 0 | Not met | 0 |
Black Belt REC (Marion Junction) | ||||
---|---|---|---|---|
Chill Requirement | Date Chilling Met | GDH Total | Date Modified Chilling Met | Chilling Hours Modified |
450 | 12/20/19 | 18063.6 | 02/02/20 | 5227.2 |
550 | 01/19/20 | 6949.2 | Not met | 0 |
650 | 01/25/20 | 6447.6 | Not met | 0 |
750 | 02/09/20 | 2642.4 | Not met | 0 |
850 | Not met | 0 | Not met | 0 |
950 | Not met | 0 | Not met | 0 |
1050 | Not met | 0 | Not met | 0 |
Brewton Ag Research Unit (Brewton) | ||||
---|---|---|---|---|
Chill Requirement | Date Chilling Met | GDH Total | Date Modified Chilling Met | Chilling Hours Modified |
450 | 01/07/20 | 14020.8 | Not met | 0 |
550 | 01/23/20 | 7927.2 | Not met | 0 |
650 | 02/08/20 | 3549.6 | Not met | 0 |
750 | Not met | 0 | Not met | 0 |
850 | Not met | 0 | Not met | 0 |
950 | Not met | 0 | Not met | 0 |
1050 | Not met | 0 | Not met | 0 |
Chilton County REC (Thorsby) | ||||
---|---|---|---|---|
Chill Requirement | Date Chilling Met | GDH Total | Date Modified Chilling Met | Chilling Hours Modified |
450 | 12/31/19 | 13060.8 | 02/07/20 | 2348.4 |
550 | 01/20/20 | 6196.8 | Not met | 0 |
650 | 01/27/20 | 5800.8 | Not met | 0 |
750 | 02/14/20 | 168 | Not met | 0 |
850 | Not met | 0 | Not met | 0 |
950 | Not met | 0 | Not met | 0 |
1050 | Not met | 0 | Not met | 0 |
Durbin Farms (Clanton) | ||||
---|---|---|---|---|
Chill Requirement | Date Chilling Met | GDH Total | Date Modified Chilling Met | Chilling Hours Modified |
450 | 01/05/20 | 11746.8 | 02/07/20 | 2445.6 |
550 | 01/23/20 | 6153.6 | Not met | 0 |
650 | 02/02/20 | 4616.4 | Not met | 0 |
750 | Not met | 0 | Not met | 0 |
850 | Not met | 0 | Not met | 0 |
950 | Not met | 0 | Not met | 0 |
1050 | Not met | 0 | Not met | 0 |
EV Smith Research Center HQ (Shorter) | ||||
---|---|---|---|---|
Chill Requirement | Date Chilling Met | GDH Total | Date Modified Chilling Met | Chilling Hours Modified |
450 | 12/19/19 | 11860.8 | Not met | 0 |
550 | 01/08/20 | 5624.4 | Not met | 0 |
650 | Not met | 0 | Not met | 0 |
750 | Not met | 0 | Not met | 0 |
850 | Not met | 0 | Not met | 0 |
950 | Not met | 0 | Not met | 0 |
1050 | Not met | 0 | Not met | 0 |
Gulf Coast Station REC (Fairhope) | ||||
---|---|---|---|---|
Chill Requirement | Date Chilling Met | GDH Total | Date Modified Chilling Met | Chilling Hours Modified |
450 | Not met | 0 | Not met | 0 |
550 | Not met | 0 | Not met | 0 |
650 | Not met | 0 | Not met | 0 |
750 | Not met | 0 | Not met | 0 |
850 | Not met | 0 | Not met | 0 |
950 | Not met | 0 | Not met | 0 |
1050 | Not met | 0 | Not met | 0 |
Sand Mountain REC (Crossville) | ||||
---|---|---|---|---|
Chill Requirement | Date Chilling Met | GDH Total | Date Modified Chilling Met | Chilling Hours Modified |
450 | 12/11/19 | 8994 | 01/20/20 | 0 |
550 | 12/18/19 | 7920 | Not met | 0 |
650 | 01/01/20 | 4375.2 | Not met | 0 |
750 | 01/18/20 | 213.6 | Not met | 0 |
850 | Not met | 0 | Not met | 0 |
950 | Not met | 0 | Not met | 0 |
1050 | Not met | 0 | Not met | 0 |
Tennessee Valley REC (Belle Mina) | ||||
---|---|---|---|---|
Chill Requirement | Date Chilling Met | GDH Total | Date Modified Chilling Met | Chilling Hours Modified |
450 | 12/10/19 | 10682.4 | 01/21/20 | 495.6 |
550 | 12/18/19 | 9141.6 | Not met | 0 |
650 | 01/04/20 | 4778.4 | Not met | 0 |
750 | 01/19/20 | 495.6 | Not met | 0 |
850 | 01/24/20 | 430.8 | Not met | 0 |
950 | Not met | 0 | Not met | 0 |
1050 | Not met | 0 | Not met | 0 |
Upper Coastal Plain Substation (Winfield) | ||||
---|---|---|---|---|
Chill Requirement | Date Chilling Met | GDH Total | Date Modified Chilling Met | Chilling Hours Modified |
450 | 12/05/19 | 16460.4 | 01/20/20 | 4784.4 |
550 | 12/17/19 | 13514.4 | 01/25/20 | 4602 |
650 | 12/31/19 | 9819.6 | 02/07/20 | 1704 |
750 | 01/09/20 | 8505.6 | Not met | 0 |
850 | 01/22/20 | 4784.4 | Not met | 0 |
950 | 01/30/20 | 4059.6 | Not met | 0 |
1050 | 02/13/20 | 232.8 | Not met | 0 |
Winfred Thomas Ag Research Unit (Hazel Green) | ||||
---|---|---|---|---|
Chill Requirement | Date Chilling Met | GDH Total | Date Modified Chilling Met | Chilling Hours Modified |
450 | 12/05/19 | 14965.2 | 01/19/20 | 4280.4 |
550 | 12/15/19 | 13120.8 | 01/24/20 | 4201.2 |
650 | 12/24/19 | 11482.8 | 01/30/20 | 3700.8 |
750 | 01/08/20 | 7735.2 | 02/13/20 | 177.6 |
850 | 01/21/20 | 4280.4 | Not met | 0 |
950 | 01/26/20 | 4062 | Not met | 0 |
1050 | 02/07/20 | 1234.8 | Not met | 0 |
Wiregrass REC (Headland) | ||||
---|---|---|---|---|
Chill Requirement | Date Chilling Met | GDH Total | Date Modified Chilling Met | Chilling Hours Modified |
450 | 02/01/20 | 6253.2 | Not met | 0 |
550 | Not met | 0 | Not met | 0 |
650 | Not met | 0 | Not met | 0 |
750 | Not met | 0 | Not met | 0 |
850 | Not met | 0 | Not met | 0 |
950 | Not met | 0 | Not met | 0 |
1050 | Not met | 0 | Not met | 0 |