Information provided by the Midwestern
Climate Center.(Disclaimer)
Date obtained: April, 2004.
Growing Degree Day Summary
From the Midwestern Regional Climate Center
Station: ( 91266) BROOKLET_1_W Missing Data: 0.3%
Growing Degree Days to Selected Base Temperatures (F)
Base Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
40 M 307 358 586 762 1012 1159 1286 1240 1070 822 556 365 9523
S 307 665 1251 2013 3025 4184 5470 6710 7780 8602 9158 9523
45 M 191 240 436 612 858 1009 1132 1085 920 667 411 241 7802
S 191 431 867 1479 2337 3346 4478 5563 6483 7150 7561 7802
50 M 104 145 296 463 703 859 977 930 770 513 280 142 6182
S 104 249 545 1008 1711 2570 3547 4477 5247 5760 6040 6182
55 M 49 73 178 319 549 709 822 775 620 362 170 76 4702
S 49 122 300 619 1168 1877 2699 3474 4094 4456 4626 4702
60 M 17 30 87 191 395 559 667 620 470 226 85 33 3380
S 17 47 134 325 720 1279 1946 2566 3036 3262 3347 3380
Modified* Growing Degree Days (Base 50F, Ceiling 86F)
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
50 M 177 217 360 488 682 792 875 856 739 536 347 216 6285
S 177 394 754 1242 1924 2716 3591 4447 5186 5722 6069 6285
Derived from the 1971-2000 Data
M = Monthly Data S = Running Sum of Monthly Data
*Modified == If Low < 50F then Reset to 50F, If High > 86F then Reset to 86F
[Information Services][Georgia State Climate Office]