Chilling and Growing Degree Hour Information for Various Locations Around the State
Choose an ending year: Current 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005
October 1, 2021 through February 15, 2022
Location | Total Std. chill hours | Total Mod. chill hours | Last Data (Days) |
---|---|---|---|
Auburn University Turf Unit (Auburn) | 740 (724 last year) | 654 (724 last year) | 02/15/22 (138) |
Black Belt REC (Marion Junction) | 926 (945 last year) | 785 (890 last year) | 02/15/22 (138) |
Brewton Ag Research Unit (Brewton) | 823 (778 last year) | 700 (743 last year) | 02/15/22 (138) |
Chilton County REC (Thorsby) | 982 (1009 last year) | 846 (951 last year) | 02/15/22 (138) |
EV Smith Research Center HQ (Shorter) | 951 (831 last year) | 789 (764 last year) | 02/15/22 (138) |
Gulf Coast Station REC (Fairhope) | 553 (577 last year) | 512 (566 last year) | 02/15/22 (138) |
Sand Mountain REC (Crossville) | 1273 (1261 last year) | 1030 (1224 last year) | 02/15/22 (138) |
Tennessee Valley REC (Belle Mina) | 1250 (1270 last year) | 1018 (1236 last year) | 02/15/22 (138) |
Upper Coastal Plain Substation (Winfield) | 1250 (1360 last year) | 1008 (1176 last year) | 02/15/22 (138) |
Wiregrass REC (Headland) | 640 (622 last year) | 564 (615 last year) | 02/15/22 (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 | 01/20/22 | 4903.2 | 01/26/22 | 4474.8 |
550 | 01/27/22 | 4336.8 | 02/05/22 | 2054.4 |
650 | 02/06/22 | 2054.4 | 02/15/22 | 272.4 |
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 | 01/11/22 | 4572 | 01/21/22 | 3500.4 |
550 | 01/18/22 | 3952.8 | 01/27/22 | 3236.4 |
650 | 01/24/22 | 3500.4 | 02/05/22 | 1602 |
750 | 01/31/22 | 2918.4 | 02/13/22 | 343.2 |
850 | 02/08/22 | 1514.4 | 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 | 01/17/22 | 4909.2 | 01/26/22 | 4158 |
550 | 01/24/22 | 4314 | 02/04/22 | 1896 |
650 | 01/31/22 | 3622.8 | 02/11/22 | 993.6 |
750 | 02/09/22 | 1407.6 | Not met | 0 |
850 | Not met | 0 | Not met | 0 |
950 | Not met | 0 | Not met | 0 |
1050 | Not met | 0 | Not met | 0 |
Chilton County REC (Thorsby) | ||||
---|---|---|---|---|
Chill Requirement | Date Chilling Met | GDH Total | Date Modified Chilling Met | Chilling Hours Modified |
450 | 01/08/22 | 4689.6 | 01/18/22 | 3577.2 |
550 | 01/17/22 | 3577.2 | 01/24/22 | 3234 |
650 | 01/22/22 | 3234 | 01/31/22 | 2827.2 |
750 | 01/29/22 | 2912.4 | 02/08/22 | 1528.8 |
850 | 02/06/22 | 1572 | Not met | 0 |
950 | 02/13/22 | 304.8 | 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 | 01/07/22 | 6266.4 | 01/21/22 | 4222.8 |
550 | 01/16/22 | 4678.8 | 01/27/22 | 3798 |
650 | 01/22/22 | 4222.8 | 02/05/22 | 1825.2 |
750 | 01/29/22 | 3543.6 | 02/12/22 | 721.2 |
850 | 02/07/22 | 1713.6 | Not met | 0 |
950 | 02/15/22 | 229.2 | 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 | 02/05/22 | 2048.4 | 02/08/22 | 1894.8 |
550 | 02/15/22 | 261.6 | 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 | 12/19/21 | 8164.8 | 01/11/22 | 2427.6 |
550 | 01/03/22 | 2782.8 | 01/16/22 | 2211.6 |
650 | 01/08/22 | 2661.6 | 01/21/22 | 1957.2 |
750 | 01/14/22 | 2256 | 01/27/22 | 1879.2 |
850 | 01/19/22 | 2211.6 | 02/04/22 | 1039.2 |
950 | 01/24/22 | 1957.2 | 02/09/22 | 1039.2 |
1050 | 01/29/22 | 1879.2 | Not met | 0 |
Tennessee Valley REC (Belle Mina) | ||||
---|---|---|---|---|
Chill Requirement | Date Chilling Met | GDH Total | Date Modified Chilling Met | Chilling Hours Modified |
450 | 12/19/21 | 8109.6 | 01/11/22 | 2340 |
550 | 01/03/22 | 2732.4 | 01/17/22 | 2086.8 |
650 | 01/10/22 | 2340 | 01/23/22 | 1786.8 |
750 | 01/15/22 | 2172 | 01/28/22 | 1770 |
850 | 01/21/22 | 1786.8 | 02/04/22 | 921.6 |
950 | 01/26/22 | 1770 | 02/10/22 | 765.6 |
1050 | 02/01/22 | 1701.6 | Not met | 0 |
Upper Coastal Plain Substation (Winfield) | ||||
---|---|---|---|---|
Chill Requirement | Date Chilling Met | GDH Total | Date Modified Chilling Met | Chilling Hours Modified |
450 | 12/19/21 | 9340.8 | 01/11/22 | 2998.8 |
550 | 01/03/22 | 3465.6 | 01/17/22 | 2584.8 |
650 | 01/08/22 | 3314.4 | 01/23/22 | 2232 |
750 | 01/15/22 | 2712 | 01/28/22 | 2060.4 |
850 | 01/21/22 | 2232 | 02/05/22 | 1038 |
950 | 01/26/22 | 2084.4 | 02/12/22 | 404.4 |
1050 | 02/01/22 | 1830 | Not met | 0 |
Wiregrass REC (Headland) | ||||
---|---|---|---|---|
Chill Requirement | Date Chilling Met | GDH Total | Date Modified Chilling Met | Chilling Hours Modified |
450 | 01/26/22 | 4977.6 | 02/01/22 | 3975.6 |
550 | 02/05/22 | 2268 | 02/14/22 | 402 |
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 |