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MSU Proxy/Primo Seedhead Timer (GDD 32)
through Wed, May. 22. 2019

 

GDD Total: 1659 (Base 32) through Wed, May. 22, 2019

  

Bellbrook, OH

       

Forecast »

Done

651

Over

501

Target

220

Close

121

Under

0

 

Generously Supported By:



Tabular Data

Daily GDD accumulation for various base temperature models in 2018 & 2019

2019Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
02-15 27° 50° 17 7 0 0 0
02-16 21° 29° 20 7 0 0 0
02-17 23° 31° 25 7 0 0 0
02-18 29° 32° 33 7 0 0 0
02-19 23° 34° 40 7 0 0 0
02-20 29° 47° 56 13 0 0 0
02-21 32° 44° 72 18 0 0 0
02-22 32° 40° 85 22 0 0 0
02-23 35° 53° 107 34 2 0 0
02-24 30° 57° 129 46 4 0 0
02-25 22° 36° 136 46 4 0 0
02-26 24° 41° 146 47 4 0 0
2019Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
02-27 26° 52° 164 54 4 0 0
02-28 28° 35° 173 54 4 0 0
03-01 28° 41° 185 56 4 0 0
03-02 32° 42° 200 61 4 0 0
03-03 24° 34° 207 61 4 0 0
03-04 11° 24° 207 61 4 0 0
03-05 19° 207 61 4 0 0
03-06 10° 26° 207 61 4 0 0
03-07 21° 33° 212 61 4 0 0
03-08 25° 36° 221 61 4 0 0
03-09 31° 55° 242 72 5 0 0
03-10 39° 58° 268 89 11 0 0
2019Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
03-11 31° 48° 286 96 11 0 0
03-12 25° 47° 300 101 11 0 0
03-13 36° 69° 330 121 22 3 0
03-14 53° 72° 371 151 42 15 7
03-15 36° 55° 394 165 45 15 7
03-16 31° 42° 409 169 45 15 7
03-17 25° 41° 419 170 45 15 7
03-18 28° 43° 433 174 45 15 7
03-19 27° 49° 449 180 45 15 7
03-20 30° 54° 469 190 45 15 7
03-21 43° 48° 493 204 49 15 7
03-22 36° 47° 512 213 49 15 7
2019Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
03-23 24° 54° 529 220 49 15 7
03-24 35° 59° 554 235 54 15 7
03-25 33° 47° 573 244 54 15 7
03-26 26° 46° 587 248 54 15 7
03-27 28° 57° 607 258 54 15 7
03-28 39° 68° 639 280 66 18 7
03-29 51° 60° 673 303 79 24 8
03-30 35° 58° 697 318 84 24 8
03-31 28° 35° 707 318 84 24 8
04-01 25° 43° 719 320 84 24 8
04-02 31° 56° 741 332 86 24 8
04-03 38° 59° 767 348 93 24 8
2019Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
04-04 44° 59° 797 368 102 25 8
04-05 45° 58° 826 388 112 27 8
04-06 51° 67° 863 414 128 36 12
04-07 49° 70° 901 442 146 46 16
04-08 58° 70° 943 474 168 60 25
04-09 52° 67° 981 502 186 69 30
04-10 42° 61° 1010 521 196 71 30
04-11 43° 80° 1050 551 215 82 36
04-12 56° 73° 1092 583 237 97 46
04-13 44° 65° 1125 606 250 101 46
04-14 43° 74° 1161 632 267 110 50
04-15 36° 53° 1183 645 269 110 50
2019Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
04-16 40° 73° 1218 669 283 116 51
04-17 53° 73° 1259 700 304 129 59
04-18 63° 76° 1306 737 331 149 73
04-19 42° 60° 1335 756 340 150 73
04-20 41° 46° 1357 768 342 150 73
04-21 40° 62° 1386 787 351 151 73
04-22 43° 73° 1422 813 367 159 76
04-23 54° 74° 1464 845 389 173 86
04-24 42° 63° 1495 866 400 176 86
04-25 52° 67° 1532 894 418 185 90
04-26 49° 60° 1565 916 430 190 90
04-27 41° 57° 1592 933 437 190 90
2019Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
04-28 43° 53° 1617 948 443 190 90
04-29 43° 75° 1654 975 459 198 94
04-30 52° 65° 1690 1001 476 207 97
05-01 59° 79° 1737 1039 503 226 111
05-02 60° 73° 1782 1073 527 242 123
05-03 60° 72° 1826 1107 551 258 134
05-04 53° 58° 1860 1131 565 264 134
05-05 51° 67° 1896 1158 582 273 138
05-06 47° 75° 1935 1187 601 284 144
05-07 52° 78° 1979 1220 624 299 155
05-08 50° 81° 2022 1253 647 314 165
05-09 65° 77° 2071 1292 676 335 181
2019Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
05-10 50° 65° 2106 1317 692 343 183
05-11 43° 65° 2139 1340 704 347 183
05-12 45° 52° 2165 1356 710 347 183
05-13 48° 54° 2194 1375 719 348 183
05-14 41° 66° 2225 1396 730 351 183
05-15 46° 70° 2261 1422 746 359 186
05-16 49° 75° 2301 1453 767 371 194
05-17 62° 81° 2351 1492 797 393 210
05-18 62° 86° 2403 1534 828 417 229
05-19 65° 79° 2453 1575 859 439 247
05-20 52° 66° 2490 1601 876 448 250
05-21 46° 63° 2523 1624 888 453 250
2019Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
05-22 55° 78° 2568 1659 913 469 262
05-23 68° 84° 2621 1702 947 495 283
05-24 61° 84° 2672 1743 977 518 300
05-25 67° 87° 2727 1788 1012 545 322
05-26 65° 82° 2778 1829 1044 568 341
05-27 63° 80° 2828 1869 1073 590 357
05-28 60° 81° 2876 1908 1102 610 373
05-29 64° 82° 2927 1948 1133 633 391
2018Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
02-15 56° 65° 38 28 18 10 5
02-16 33° 57° 61 41 21 10 5
02-17 30° 35° 72 42 21 10 5
02-18 31° 44° 88 48 21 10 5
02-19 38° 71° 120 70 34 15 5
02-20 61° 76° 167 107 60 33 19
02-21 39° 66° 197 127 71 36 19
02-22 36° 46° 216 136 71 36 19
02-23 44° 61° 246 156 81 38 19
02-24 45° 51° 272 172 87 38 19
02-25 41° 58° 300 190 95 38 19
02-26 32° 53° 320 200 95 38 19
2018Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
02-27 33° 60° 345 215 100 38 19
02-28 48° 58° 376 236 110 41 19
03-01 37° 56° 400 250 115 41 19
03-02 31° 44° 416 256 115 41 19
03-03 26° 44° 429 259 115 41 19
03-04 25° 45° 442 262 115 41 19
03-05 26° 43° 454 264 115 41 19
03-06 36° 56° 478 278 119 41 19
03-07 30° 37° 490 280 119 41 19
03-08 25° 31° 495 280 119 41 19
03-09 19° 39° 503 280 119 41 19
03-10 25° 45° 515 282 119 41 19
2018Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
03-11 25° 41° 526 284 119 41 19
03-12 25° 38° 536 284 119 41 19
03-13 24° 36° 544 284 119 41 19
03-14 24° 37° 553 284 119 41 19
03-15 32° 50° 572 293 119 41 19
03-16 21° 41° 581 293 119 41 19
03-17 30° 43° 596 297 119 41 19
03-18 23° 55° 613 304 119 41 19
03-19 32° 60° 636 318 123 41 19
03-20 31° 41° 650 322 123 41 19
03-21 29° 36° 661 322 123 41 19
03-22 23° 42° 671 323 123 41 19
2018Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
03-23 25° 45° 684 326 123 41 19
03-24 28° 38° 696 327 123 41 19
03-25 26° 45° 709 331 123 41 19
03-26 33° 53° 730 342 124 41 19
03-27 46° 55° 759 360 132 42 19
03-28 50° 55° 789 381 143 44 19
03-29 43° 60° 819 400 152 46 19
03-30 37° 49° 839 411 153 46 19
03-31 32° 57° 862 424 156 46 19
04-01 33° 48° 880 432 156 46 19
04-02 30° 42° 894 436 156 46 19
04-03 41° 68° 927 459 168 50 19
2018Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
04-04 32° 61° 952 473 173 50 19
04-05 28° 47° 967 479 173 50 19
04-06 31° 57° 989 491 175 50 19
04-07 27° 39° 1000 492 175 50 19
04-08 25° 40° 1010 492 175 50 19
04-09 31° 39° 1023 495 175 50 19
04-10 26° 43° 1036 498 175 50 19
04-11 29° 62° 1059 511 178 50 19
04-12 53° 77° 1102 544 201 66 29
04-13 62° 79° 1151 583 230 86 45
04-14 54° 68° 1190 612 249 97 51
04-15 46° 60° 1221 633 260 100 51
2018Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
04-16 32° 45° 1237 639 260 100 51
04-17 31° 40° 1251 643 260 100 51
04-18 30° 62° 1276 657 264 100 51
04-19 35° 53° 1298 669 266 100 51
04-20 31° 58° 1320 682 269 100 51
04-21 34° 58° 1344 696 273 100 51
04-22 43° 66° 1377 719 286 105 51
04-23 50° 64° 1412 744 301 112 53
04-24 51° 54° 1443 765 312 115 53
04-25 51° 62° 1478 789 327 122 55
04-26 40° 68° 1510 811 338 125 55
04-27 41° 69° 1543 834 352 131 55
2018Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
04-28 42° 50° 1567 848 356 131 55
04-29 31° 58° 1589 861 358 131 55
04-30 34° 69° 1619 880 368 132 55
05-01 45° 78° 1658 910 387 144 61
05-02 58° 81° 1706 948 415 163 76
05-03 68° 77° 1757 988 445 186 94
05-04 60° 79° 1804 1025 473 205 108
05-05 51° 66° 1841 1052 489 214 112
05-06 52° 76° 1883 1084 512 228 121
05-07 50° 69° 1920 1112 529 238 126
05-08 44° 76° 1959 1140 548 248 131
05-09 53° 81° 2004 1175 573 265 143
2018Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
05-10 62° 78° 2052 1214 601 286 158
05-11 56° 83° 2100 1251 629 305 173
05-12 67° 85° 2153 1295 662 331 194
05-13 57° 89° 2204 1336 693 354 211
05-14 65° 85° 2257 1379 726 379 232
05-15 68° 82° 2310 1422 759 404 251
05-16 63° 73° 2356 1458 785 422 264
05-17 61° 77° 2403 1495 812 440 278
05-18 64° 73° 2449 1531 838 459 291
05-19 66° 75° 2498 1569 866 479 307
05-20 65° 81° 2549 1610 898 502 325
05-21 62° 85° 2600 1652 929 525 343
2018Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
05-22 66° 81° 2651 1693 960 549 362
05-23 61° 78° 2699 1730 987 568 376
05-24 55° 81° 2745 1766 1014 586 389
05-25 56° 85° 2793 1805 1042 607 405
05-26 65° 84° 2846 1848 1075 632 424
05-27 66° 89° 2902 1893 1111 659 447
05-28 67° 90° 2958 1940 1147 688 470
05-29 67° 87° 3014 1985 1182 715 493
05-30 72° 84° 3070 2031 1218 743 516
05-31 69° 84° 3124 2076 1253 770 538
06-01 66° 79° 3175 2116 1284 792 555
06-02 66° 82° 3227 2158 1315 816 574
2018Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
06-03 67° 82° 3279 2200 1348 840 593
06-04 57° 75° 3323 2234 1372 856 604
06-05 56° 77° 3367 2269 1396 873 615
06-06 52° 72° 3407 2299 1416 885 622
06-07 54° 85° 3455 2336 1444 904 637
06-08 66° 86° 3509 2380 1478 930 658
06-09 65° 86° 3562 2423 1511 955 678
06-10 65° 78° 3612 2463 1540 977 695
06-11 67° 75° 3661 2502 1570 998 711
06-12 67° 81° 3713 2544 1601 1022 730
06-13 69° 84° 3767 2589 1636 1049 751
06-14 57° 82° 3815 2626 1663 1068 766
2018Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
06-15 59° 85° 3865 2667 1694 1090 783
06-16 65° 90° 3920 2712 1729 1118 805
06-17 71° 92° 3979 2761 1768 1149 831
06-18 72° 92° 4039 2811 1808 1181 858
06-19 72° 86° 4096 2858 1845 1210 882
06-20 69° 84° 4151 2902 1880 1236 904
06-21 69° 74° 4200 2942 1909 1258 921
06-22 69° 81° 4253 2985 1942 1283 940
06-23 67° 77° 4303 3025 1972 1305 957
06-24 64° 83° 4354 3066 2003 1328 976
06-25 64° 76° 4402 3104 2031 1348 990
06-26 64° 80° 4452 3144 2061 1370 1007
2018Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
06-27 66° 81° 4504 3186 2093 1393 1026
06-28 65° 84° 4557 3228 2126 1418 1046
06-29 66° 88° 4612 3273 2161 1445 1068
06-30 69° 91° 4670 3321 2198 1475 1093
07-01 70° 91° 4728 3370 2237 1506 1118
07-02 72° 87° 4786 3417 2275 1535 1143
07-03 69° 88° 4842 3464 2311 1563 1166
07-04 70° 90° 4900 3511 2349 1593 1191
07-05 73° 91° 4960 3562 2389 1625 1218
07-06 64° 81° 5010 3602 2419 1648 1235
07-07 57° 79° 5056 3638 2445 1666 1248
07-08 55° 85° 5104 3676 2473 1686 1263
2018Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
07-09 64° 89° 5158 3720 2507 1712 1284
07-10 67° 90° 5215 3767 2544 1741 1308
07-11 66° 82° 5268 3809 2577 1765 1328
07-12 59° 83° 5317 3849 2606 1786 1344
07-13 62° 88° 5370 3892 2639 1811 1364
07-14 65° 90° 5426 3937 2674 1839 1387
07-15 71° 89° 5484 3986 2713 1869 1412
07-16 73° 85° 5541 4033 2750 1899 1436
07-17 69° 85° 5597 4078 2785 1926 1459
07-18 60° 82° 5646 4117 2815 1947 1475
07-19 61° 83° 5696 4158 2845 1969 1492
07-20 65° 72° 5742 4194 2871 1988 1505
2018Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
07-21 65° 73° 5789 4231 2898 2007 1519
07-22 67° 78° 5840 4271 2928 2029 1537
07-23 65° 76° 5888 4309 2957 2049 1552
07-24 64° 78° 5937 4348 2985 2070 1568
07-25 65° 84° 5989 4391 3018 2095 1587
07-26 62° 84° 6040 4432 3049 2118 1605
07-27 62° 78° 6088 4470 3077 2138 1621
07-28 58° 78° 6134 4506 3103 2156 1633
07-29 60° 79° 6182 4544 3131 2175 1648
07-30 65° 78° 6231 4583 3160 2197 1664
07-31 66° 79° 6282 4624 3191 2219 1682
08-01 67° 75° 6331 4662 3220 2240 1698
2018Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
08-02 66° 79° 6381 4703 3250 2262 1715
08-03 63° 85° 6433 4745 3282 2286 1734
08-04 68° 86° 6488 4790 3317 2314 1756
08-05 67° 88° 6544 4836 3353 2341 1779
08-06 69° 87° 6600 4881 3388 2369 1802
08-07 68° 84° 6654 4926 3423 2396 1823
08-08 70° 83° 6709 4970 3457 2422 1845
08-09 64° 83° 6760 5012 3489 2446 1863
08-10 67° 84° 6814 5055 3523 2471 1884
08-11 65° 77° 6863 5095 3552 2492 1900
08-12 61° 81° 6912 5134 3581 2513 1916
08-13 62° 82° 6962 5173 3610 2535 1933
2018Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
08-14 61° 84° 7012 5213 3641 2557 1950
08-15 66° 82° 7064 5256 3673 2581 1969
08-16 68° 77° 7114 5296 3703 2604 1986
08-17 72° 79° 7168 5339 3737 2629 2007
08-18 69° 82° 7221 5383 3770 2655 2027
08-19 64° 83° 7273 5424 3802 2678 2046
08-20 64° 83° 7324 5466 3833 2702 2064
08-21 70° 79° 7377 5509 3866 2727 2084
08-22 59° 74° 7422 5543 3890 2743 2096
08-23 52° 78° 7465 5576 3914 2758 2106
08-24 56° 79° 7511 5612 3939 2776 2119
08-25 68° 77° 7561 5653 3970 2799 2136
2018Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
08-26 73° 89° 7620 5702 4009 2829 2162
08-27 72° 89° 7678 5750 4047 2860 2188
08-28 71° 89° 7737 5798 4085 2890 2213
08-29 72° 87° 7794 5846 4123 2919 2237
08-30 69° 82° 7847 5889 4156 2945 2257
08-31 63° 86° 7900 5932 4189 2970 2277
09-01 69° 84° 7955 5977 4224 2996 2299
09-02 68° 88° 8011 6023 4260 3025 2322
09-03 70° 91° 8070 6071 4299 3055 2348
09-04 70° 91° 8129 6120 4337 3086 2374
09-05 72° 90° 8187 6169 4376 3117 2400
09-06 69° 82° 8241 6213 4410 3143 2420
2018Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
09-07 69° 77° 8292 6254 4441 3166 2438
09-08 60° 68° 8334 6286 4463 3179 2447
09-09 56° 61° 8370 6312 4479 3188 2451
09-10 58° 62° 8409 6340 4498 3198 2456
09-11 60° 69° 8451 6373 4520 3213 2465
09-12 62° 75° 8498 6410 4547 3231 2479
09-13 61° 84° 8549 6450 4577 3254 2497
09-14 63° 87° 8602 6493 4610 3279 2517
09-15 69° 87° 8658 6539 4647 3307 2540
09-16 68° 84° 8712 6583 4680 3333 2561
09-17 69° 81° 8764 6626 4713 3358 2581
09-18 64° 88° 8819 6670 4747 3384 2602
2018Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
09-19 67° 87° 8874 6716 4783 3411 2624
09-20 68° 90° 8931 6763 4820 3440 2648
09-21 73° 87° 8989 6811 4858 3470 2673
09-22 56° 70° 9030 6842 4879 3484 2681
09-23 54° 72° 9071 6873 4900 3496 2689
09-24 61° 70° 9114 6906 4923 3512 2699
09-25 68° 76° 9165 6946 4953 3534 2717
09-26 55° 72° 9206 6978 4975 3548 2725
09-27 52° 62° 9241 7003 4990 3555 2728
09-28 46° 71° 9278 7030 5007 3564 2731
09-29 49° 70° 9316 7057 5024 3573 2736
09-30 52° 79° 9359 7091 5048 3589 2746
2018Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55

 

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.