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Tabular Data

Daily GDD accumulation for various base temperature models in 2017 & 2018

2018Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
02-19 37° 53° 53 21 3 0 0
02-20 33° 66° 80 39 11 0 0
02-21 26° 32° 87 39 11 0 0
02-22 28° 39° 99 40 11 0 0
02-23 32° 42° 114 45 11 0 0
02-24 31° 46° 131 52 11 0 0
02-25 33° 48° 149 61 11 0 0
02-26 27° 52° 167 68 11 0 0
02-27 38° 61° 194 86 18 0 0
02-28 38° 59° 220 102 24 0 0
03-01 33° 45° 237 109 24 0 0
03-02 30° 47° 253 115 24 0 0
2018Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
03-03 32° 44° 270 121 24 0 0
03-04 32° 46° 287 128 24 0 0
03-05 33° 38° 300 132 24 0 0
03-06 31° 37° 312 134 24 0 0
03-07 25° 31° 319 134 24 0 0
03-08 24° 32° 324 134 24 0 0
03-09 20° 38° 331 134 24 0 0
03-10 21° 41° 340 134 24 0 0
03-11 27° 39° 351 135 24 0 0
03-12 28° 43° 365 139 24 0 0
03-13 24° 33° 371 139 24 0 0
03-14 21° 47° 383 141 24 0 0
2018Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
03-15 28° 48° 399 146 24 0 0
03-16 25° 37° 408 146 24 0 0
03-17 31° 46° 425 153 24 0 0
03-18 24° 56° 443 161 24 0 0
03-19 32° 47° 460 168 24 0 0
03-20 27° 36° 470 168 24 0 0
03-21 26° 41° 481 169 24 0 0
03-22 22° 48° 494 173 24 0 0
03-23 25° 44° 506 175 24 0 0
03-24 32° 38° 519 178 24 0 0
03-25 26° 39° 530 179 24 0 0
03-26 29° 51° 548 187 24 0 0
2018Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
03-27 42° 50° 572 200 28 0 0
03-28 37° 52° 594 213 30 0 0
03-29 36° 50° 615 224 32 0 0
03-30 32° 48° 633 232 32 0 0
03-31 34° 55° 656 244 34 0 0
04-01 24° 32° 662 244 34 0 0
04-02 19° 43° 671 244 34 0 0
04-03 34° 39° 685 249 34 0 0
04-04 24° 34° 692 249 34 0 0
04-05 18° 40° 699 249 34 0 0
04-06 26° 35° 707 249 34 0 0
04-07 17° 37° 712 249 34 0 0
2018Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
04-08 19° 39° 720 249 34 0 0
04-09 29° 35° 729 249 34 0 0
04-10 24° 43° 741 250 34 0 0
04-11 37° 65° 770 269 43 1 0
04-12 43° 71° 805 294 58 8 2
04-13 39° 45° 825 304 58 8 2
04-14 34° 39° 840 309 58 8 2
04-15 29° 34° 850 309 58 8 2
04-16 25° 32° 857 309 58 8 2
04-17 29° 40° 869 311 58 8 2
04-18 30° 36° 880 312 58 8 2
04-19 31° 53° 900 322 58 8 2
2018Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
04-20 33° 61° 925 337 63 8 2
04-21 38° 56° 950 352 68 8 2
04-22 42° 61° 980 372 78 10 2
04-23 43° 65° 1011 394 90 14 2
04-24 49° 67° 1048 420 106 22 5
04-25 40° 57° 1074 437 113 22 5
04-26 33° 66° 1101 454 120 22 5
04-27 39° 60° 1129 471 127 22 5
04-28 35° 53° 1151 483 129 22 5
04-29 30° 60° 1174 496 132 22 5
04-30 38° 79° 1210 523 149 30 9
05-01 55° 84° 1258 561 177 50 24
2018Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
05-02 66° 83° 1311 603 209 75 43
05-03 62° 71° 1355 638 234 91 55
05-04 60° 72° 1399 672 258 107 66
05-05 53° 80° 1444 706 282 124 77
05-06 54° 71° 1484 737 303 136 85
05-07 47° 75° 1523 766 322 147 91
05-08 54° 81° 1569 802 347 165 104
05-09 59° 81° 1617 840 376 185 119
05-10 57° 74° 1661 873 399 201 129
05-11 44° 60° 1691 893 409 203 129
05-12 43° 49° 1715 908 413 203 129
05-13 45° 66° 1749 932 427 209 130
2018Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
05-14 52° 81° 1794 966 452 226 142
05-15 55° 72° 1836 998 474 239 151
05-16 47° 79° 1877 1029 495 252 159
05-17 55° 74° 1919 1061 517 267 168
05-18 53° 68° 1958 1090 536 277 174
05-19 56° 68° 1998 1121 556 290 181
05-20 45° 61° 2029 1142 568 293 181
05-21 49° 64° 2064 1166 582 299 183
05-22 56° 68° 2104 1196 602 311 189
05-23 52° 80° 2148 1230 626 328 201
05-24 55° 84° 2195 1268 654 347 215
05-25 61° 87° 2247 1310 686 371 234
2018Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
05-26 65° 87° 2301 1354 720 397 255
05-27 65° 89° 2356 1399 755 424 277
05-28 64° 83° 2408 1440 786 448 296
05-29 59° 81° 2456 1479 815 468 311
05-30 60° 82° 2505 1518 844 489 327
2017Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
02-19 36° 68° 126 69 28 7 0
02-20 45° 68° 161 94 43 13 2
02-21 53° 64° 198 121 59 22 5
02-22 51° 67° 234 147 76 31 9
02-23 37° 57° 259 162 81 31 9
02-24 32° 39° 273 166 81 31 9
02-25 21° 30° 276 166 81 31 9
02-26 22° 47° 289 168 81 31 9
02-27 28° 53° 308 177 81 31 9
02-28 45° 58° 338 197 91 33 9
03-01 31° 54° 358 207 91 33 9
03-02 26° 32° 365 207 91 33 9
2017Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
03-03 18° 31° 368 207 91 33 9
03-04 27° 40° 379 209 91 33 9
03-05 32° 57° 402 221 94 33 9
03-06 50° 63° 437 246 109 40 11
03-07 42° 64° 468 267 120 43 11
03-08 38° 50° 490 280 122 43 11
03-09 31° 43° 504 284 122 43 11
03-10 23° 35° 512 284 122 43 11
03-11 19° 27° 512 284 122 43 11
03-12 16° 33° 515 284 122 43 11
03-13 25° 30° 521 284 122 43 11
03-14 16° 27° 521 284 122 43 11
2017Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
03-15 13° 31° 521 284 122 43 11
03-16 17° 42° 528 284 122 43 11
03-17 35° 50° 549 294 122 43 11
03-18 37° 44° 567 303 122 43 11
03-19 29° 51° 586 311 122 43 11
03-20 41° 54° 611 327 128 43 11
03-21 32° 51° 631 337 128 43 11
03-22 25° 37° 640 337 128 43 11
03-23 26° 48° 655 342 128 43 11
03-24 42° 80° 694 371 147 53 17
03-25 40° 44° 714 381 147 53 17
03-26 44° 59° 744 400 156 55 17
2017Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
03-27 43° 51° 769 415 161 55 17
03-28 40° 48° 791 428 163 55 17
03-29 35° 48° 810 437 163 55 17
03-30 39° 43° 829 446 163 55 17
03-31 36° 42° 846 453 163 55 17
04-01 32° 58° 869 466 167 55 17
04-02 42° 58° 897 484 175 55 17
04-03 44° 53° 924 501 181 55 17
04-04 46° 55° 952 519 189 55 17
04-05 39° 46° 972 529 190 55 17
04-06 38° 49° 994 540 191 55 17
04-07 35° 56° 1017 554 194 55 17
2017Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
04-08 36° 67° 1046 573 204 57 17
04-09 56° 75° 1090 607 227 72 27
04-10 44° 73° 1127 633 244 81 31
04-11 42° 52° 1152 648 249 81 31
04-12 36° 61° 1178 665 255 81 31
04-13 43° 59° 1207 684 265 82 31
04-14 45° 67° 1241 708 279 89 32
04-15 62° 81° 1291 748 309 110 49
04-16 58° 71° 1334 781 331 125 59
04-17 45° 71° 1370 807 347 133 62
04-18 40° 76° 1406 833 363 141 64
04-19 46° 70° 1442 859 379 149 68
2017Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
04-20 46° 70° 1478 884 395 157 70
04-21 43° 54° 1504 900 401 157 70
04-22 40° 60° 1532 919 409 157 70
04-23 35° 73° 1564 941 421 161 70
04-24 39° 74° 1598 965 436 167 72
04-25 55° 78° 1643 999 460 184 83
04-26 60° 72° 1687 1034 484 200 94
04-27 43° 60° 1716 1053 494 201 94
04-28 39° 58° 1743 1070 501 201 94
04-29 38° 49° 1765 1082 502 201 94
04-30 40° 45° 1786 1092 503 201 94
05-01 45° 55° 1813 1110 511 201 94
2017Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
05-02 40° 48° 1836 1122 513 201 94
05-03 35° 57° 1860 1136 517 201 94
05-04 43° 55° 1887 1154 524 201 94
05-05 40° 62° 1916 1173 534 203 94
05-06 43° 58° 1945 1192 542 203 94
05-07 36° 59° 1970 1207 548 203 94
05-08 34° 61° 1995 1222 553 203 94
05-09 40° 61° 2024 1241 561 204 94
05-10 47° 68° 2059 1266 577 211 97
05-11 50° 66° 2095 1292 593 219 100
05-12 46° 71° 2132 1319 609 228 103
05-13 47° 78° 2173 1350 630 241 111
2017Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
05-14 52° 76° 2215 1382 652 255 120
05-15 48° 83° 2259 1415 676 271 131
05-16 65° 79° 2308 1455 706 292 148
05-17 70° 83° 2363 1500 740 319 169
05-18 55° 76° 2406 1533 764 334 180
05-19 41° 51° 2431 1548 768 334 180
05-20 46° 65° 2465 1571 782 340 181
05-21 50° 63° 2499 1596 797 347 182
05-22 46° 71° 2536 1623 813 355 186
05-23 56° 61° 2572 1649 829 364 189
05-24 54° 62° 2608 1675 845 371 192
05-25 54° 66° 2646 1702 863 381 197
2017Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
05-26 54° 69° 2685 1732 883 393 203
05-27 52° 77° 2728 1765 905 407 213
05-28 57° 76° 2773 1799 930 424 225
05-29 58° 75° 2817 1834 954 440 236
05-30 54° 69° 2856 1863 974 452 242
05-31 53° 74° 2898 1894 995 465 251
06-01 53° 78° 2941 1928 1018 481 261
06-02 53° 86° 2988 1965 1046 500 275
06-03 58° 88° 3039 2006 1077 523 293
06-04 70° 91° 3098 2055 1115 553 319
06-05 61° 74° 3143 2090 1141 571 331
06-06 53° 74° 3185 2121 1162 584 340
2017Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
06-07 55° 75° 3227 2154 1185 599 350
06-08 53° 82° 3273 2190 1210 616 362
06-09 65° 87° 3327 2234 1245 643 383
06-10 65° 89° 3382 2279 1280 670 405
06-11 71° 93° 3442 2329 1320 702 432
06-12 74° 94° 3504 2381 1362 736 462
06-13 70° 90° 3562 2429 1400 766 486
06-14 69° 90° 3620 2476 1437 795 511
06-15 68° 92° 3678 2524 1475 825 536
06-16 66° 84° 3731 2568 1508 850 556
06-17 69° 82° 3785 2611 1542 876 577
06-18 70° 77° 3836 2653 1573 899 595
2017Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
06-19 61° 74° 3882 2688 1599 917 608
06-20 57° 76° 3926 2723 1623 934 619
06-21 53° 80° 3970 2757 1648 950 630
06-22 70° 86° 4027 2804 1684 978 654
06-23 67° 81° 4079 2846 1716 1002 673
06-24 60° 73° 4123 2880 1741 1019 685
06-25 52° 70° 4163 2910 1760 1030 691
06-26 52° 71° 4202 2939 1780 1042 697
06-27 49° 76° 4243 2970 1800 1054 705
06-28 58° 81° 4290 3007 1827 1073 719
06-29 67° 82° 4342 3049 1860 1098 738
06-30 66° 81° 4394 3091 1891 1121 757
2017Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
07-01 64° 82° 4445 3132 1922 1145 775
07-02 59° 87° 4496 3173 1954 1168 793
07-03 66° 78° 4546 3213 1984 1190 811
07-04 63° 83° 4597 3254 2015 1213 829
07-05 66° 86° 4652 3298 2049 1239 850
07-06 69° 90° 4709 3346 2087 1269 874
07-07 71° 86° 4766 3392 2123 1297 898
07-08 60° 78° 4813 3430 2150 1316 912
07-09 59° 85° 4863 3470 2180 1338 929
07-10 66° 81° 4914 3511 2211 1362 947
07-11 69° 85° 4969 3556 2246 1389 969
07-12 69° 79° 5021 3598 2278 1413 988
2017Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
07-13 72° 81° 5076 3643 2313 1439 1010
07-14 63° 71° 5121 3678 2338 1456 1022
07-15 57° 78° 5166 3713 2364 1474 1035
07-16 63° 72° 5212 3749 2390 1492 1047
07-17 54° 80° 5257 3784 2415 1509 1059
07-18 57° 88° 5308 3824 2445 1531 1077
07-19 70° 85° 5363 3870 2481 1559 1099
07-20 69° 86° 5419 3916 2516 1586 1122
07-21 72° 87° 5476 3963 2554 1616 1146
07-22 70° 85° 5532 4009 2589 1643 1169
07-23 69° 87° 5588 4055 2625 1672 1192
07-24 65° 74° 5635 4092 2653 1691 1206
2017Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
07-25 59° 79° 5682 4129 2680 1710 1220
07-26 65° 83° 5735 4171 2712 1734 1240
07-27 67° 81° 5787 4213 2744 1758 1259
07-28 65° 78° 5836 4253 2773 1779 1275
07-29 60° 77° 5883 4290 2800 1798 1289
07-30 58° 82° 5931 4328 2829 1819 1304
07-31 63° 84° 5982 4369 2860 1842 1322
08-01 67° 83° 6035 4412 2893 1867 1342
08-02 64° 85° 6088 4455 2925 1891 1362
08-03 67° 81° 6140 4497 2958 1916 1381
08-04 55° 66° 6179 4525 2976 1926 1387
08-05 56° 78° 6224 4560 3001 1943 1399
2017Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
08-06 62° 76° 6270 4597 3028 1962 1412
08-07 60° 75° 6315 4632 3053 1979 1424
08-08 54° 81° 6360 4667 3078 1996 1437
08-09 57° 80° 6407 4704 3105 2015 1450
08-10 61° 83° 6457 4744 3135 2037 1467
08-11 64° 75° 6505 4782 3162 2056 1482
08-12 57° 75° 6549 4816 3186 2073 1493
08-13 54° 77° 6592 4849 3210 2088 1503
08-14 60° 81° 6641 4888 3238 2108 1519
08-15 65° 81° 6692 4929 3269 2131 1537
08-16 63° 86° 6745 4971 3302 2156 1557
08-17 71° 80° 6798 5015 3336 2182 1577
2017Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
08-18 65° 80° 6849 5055 3366 2204 1595
08-19 59° 83° 6897 5094 3395 2225 1611
08-20 61° 86° 6949 5136 3426 2248 1629
08-21 70° 85° 7004 5181 3461 2276 1651
08-22 64° 78° 7053 5220 3490 2297 1667
08-23 56° 75° 7096 5253 3514 2312 1677
08-24 56° 73° 7139 5285 3536 2326 1687
08-25 48° 73° 7177 5314 3555 2337 1693
08-26 54° 76° 7220 5347 3578 2352 1702
08-27 60° 77° 7267 5384 3604 2371 1716
08-28 63° 77° 7315 5422 3632 2391 1731
08-29 58° 72° 7358 5455 3656 2406 1741
2017Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
08-30 58° 79° 7405 5491 3682 2424 1755
08-31 61° 70° 7448 5525 3705 2440 1765
09-01 55° 68° 7488 5555 3725 2451 1772
09-02 45° 73° 7525 5581 3742 2460 1776
09-03 54° 81° 7570 5617 3768 2478 1789
09-04 62° 79° 7619 5656 3797 2499 1804
09-05 52° 67° 7657 5684 3814 2508 1809
09-06 47° 62° 7690 5706 3827 2513 1809
09-07 49° 66° 7725 5732 3843 2521 1812
09-08 54° 69° 7765 5761 3862 2532 1818
09-09 54° 71° 7805 5792 3882 2544 1825
09-10 46° 70° 7841 5818 3898 2553 1829
2017Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
09-11 47° 74° 7880 5847 3917 2563 1834
09-12 51° 77° 7922 5879 3939 2577 1843
09-13 55° 78° 7966 5913 3964 2594 1855
09-14 58° 80° 8013 5950 3990 2613 1869
09-15 60° 86° 8064 5991 4022 2636 1887
09-16 64° 86° 8117 6034 4055 2661 1907
09-17 65° 84° 8169 6076 4087 2685 1926
09-18 53° 78° 8213 6110 4110 2700 1936
09-19 63° 77° 8261 6148 4138 2720 1951
09-20 62° 91° 8316 6192 4173 2747 1973
09-21 72° 95° 8377 6244 4214 2780 2001
09-22 70° 93° 8437 6293 4254 2812 2028
2017Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
09-23 70° 93° 8496 6343 4294 2844 2055
09-24 68° 90° 8554 6390 4331 2873 2079
09-25 66° 91° 8610 6437 4367 2901 2102
09-26 68° 89° 8667 6483 4404 2930 2126
09-27 57° 71° 8709 6515 4426 2944 2135
09-28 48° 71° 8746 6543 4443 2954 2140
09-29 55° 67° 8785 6572 4463 2965 2146
09-30 49° 67° 8822 6598 4479 2973 2149

 

Latest Updates

March 9th, 2018Note Regarding 2018 Alerts

We had an issue with the emailed alerts that should be resolved now, and apologize for any inconvenience. You may receive outdated alerts tomorrow (Saturday, March 10, 2018), so please check the details before taking any action. Thank you.


 

February 17th, 2018Welcome to a New GDD Season!

GDDTracker is ready for 2018 with GDD tracking that began on February 15. New this year will be the Smith-Kerns Dollar Spot Prediction Model which will be launching soon. Check back soon for additional details!
 

March 29th, 2017Timing crabgrass pre-emergence applications

Please note that Dr. Frank has written another helpful article available from the MSU Extension web site.

http://msue.anr.msu.edu/news/timing_crabgrass_pre_emergence_applications


 

March 9th, 2017Controlling Annual Bluegrass Seedheads: Spray Now or Wait?

Dr. Kevin Frank has posted a useful article at the MSU Extension website. Please note it is written specifically for Michigan but may apply to other midwest regions.

"Growing degree-days have accumulated quickly, but it may not yet be time to apply plant growth regulators to control annual bluegrass seedheads on golf courses.

Read more: http://msue.anr.msu.edu/news/controlling_annual_bluegrass_seedheads_spray_now_or_wait


 

February 26th, 2017Early Spring in Michigan: Boom or Bust?

Dr. Kevin Frank has posted a helpful article on the MSU Extension website. Much of the midwest is experiencing the same (very) early warm-up, so non-Michiganders may find it help as well!

http://msue.anr.msu.edu/news/is_an_early_spring_a_boom_or_bust_for_golf_course_turf
 

February 16th, 2017Missing weather data

All air temperature data has been accounted for now.