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MSU Proxy/Primo Seedhead Timer (GDD 32)
through Mon, Apr. 15. 2024

 

GDD Total: 734 (Base 32) through Mon, Apr. 15, 2024

  

Porter, IN

       

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 2024 & 2023

2024Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
02-15 33° 42° 16 6 0 0 0
02-16 26° 32° 23 6 0 0 0
02-17 13° 26° 23 6 0 0 0
02-18 18° 43° 31 6 0 0 0
02-19 22° 47° 43 8 0 0 0
02-20 28° 54° 62 17 0 0 0
02-21 42° 63° 93 38 11 3 0
02-22 39° 51° 116 51 14 3 0
02-23 30° 44° 131 56 14 3 0
02-24 21° 31° 136 56 14 3 0
02-25 29° 56° 156 67 14 3 0
02-26 36° 67° 186 86 24 5 0
2024Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
02-27 55° 68° 225 116 43 16 6
02-28 23° 61° 245 126 43 16 6
02-29 21° 41° 254 126 43 16 6
03-01 30° 43° 269 130 43 16 6
03-02 37° 56° 294 145 48 16 6
03-03 41° 69° 327 168 61 21 6
03-04 53° 70° 366 197 80 32 13
03-05 38° 63° 395 216 89 33 13
03-06 37° 47° 415 226 89 33 13
03-07 34° 49° 434 236 89 33 13
03-08 40° 50° 458 249 92 33 13
03-09 33° 42° 473 255 92 33 13
2024Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
03-10 30° 39° 486 257 92 33 13
03-11 28° 62° 508 270 95 33 13
03-12 42° 67° 541 292 108 38 13
03-13 46° 66° 575 316 121 43 13
03-14 41° 66° 606 337 133 47 13
03-15 36° 43° 623 345 133 47 13
03-16 35° 57° 647 359 137 47 13
03-17 31° 40° 661 362 137 47 13
03-18 28° 33° 669 362 137 47 13
03-19 27° 54° 688 371 137 47 13
03-20 28° 41° 700 374 137 47 13
03-21 23° 38° 709 374 137 47 13
2024Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
03-22 32° 44° 725 379 137 47 13
03-23 29° 36° 735 380 137 47 13
03-24 28° 47° 751 386 137 47 13
03-25 40° 67° 782 407 148 50 13
03-26 37° 56° 807 422 153 50 13
03-27 30° 42° 821 426 153 50 13
03-28 27° 49° 837 432 153 50 13
03-29 32° 53° 857 442 153 50 13
03-30 40° 60° 885 460 161 50 13
03-31 37° 49° 906 471 162 50 13
04-01 43° 50° 931 485 166 50 13
04-02 36° 59° 956 501 172 50 13
2024Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
04-03 34° 37° 970 505 172 50 13
04-04 36° 40° 986 511 172 50 13
04-05 36° 44° 1005 519 172 50 13
04-06 32° 49° 1023 527 172 50 13
04-07 36° 54° 1046 541 175 50 13
04-08 46° 73° 1084 568 193 60 18
04-09 52° 65° 1120 595 209 68 21
04-10 43° 63° 1151 616 220 71 21
04-11 47° 54° 1179 634 228 71 21
04-12 45° 57° 1208 653 237 73 21
04-13 39° 68° 1240 674 249 76 21
04-14 58° 75° 1284 709 273 92 33
2024Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
04-15 47° 68° 1320 734 289 100 35
04-16 48° 74° 1359 763 308 111 41
04-17 59° 72° 1402 797 331 127 52
04-18 49° 59° 1434 819 344 131 52
04-19 44° 54° 1461 836 351 131 52
04-20 40° 50° 1484 849 354 131 52
04-21 37° 50° 1506 861 355 131 52
04-22 36° 60° 1532 877 361 131 52
2023Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
02-15 37° 52° 23 13 3 0 0
02-16 29° 38° 35 15 3 0 0
02-17 21° 29° 38 15 3 0 0
02-18 21° 44° 48 15 3 0 0
02-19 37° 52° 71 28 5 0 0
02-20 33° 45° 88 35 5 0 0
02-21 28° 39° 99 36 5 0 0
02-22 32° 35° 111 38 5 0 0
02-23 27° 46° 125 42 5 0 0
02-24 23° 28° 129 42 5 0 0
02-25 25° 36° 138 42 5 0 0
02-26 27° 48° 153 47 5 0 0
2023Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
02-27 36° 56° 177 62 9 0 0
02-28 37° 48° 198 72 10 0 0
02-29 n/a n/a n/a n/a n/a n/a n/a
03-01 35° 55° 221 85 13 0 0
03-02 33° 41° 236 90 13 0 0
03-03 31° 38° 249 93 13 0 0
03-04 28° 42° 262 97 13 0 0
03-05 30° 48° 280 104 13 0 0
03-06 39° 48° 301 115 14 0 0
03-07 34° 42° 317 121 14 0 0
03-08 32° 46° 334 128 14 0 0
03-09 33° 43° 350 134 14 0 0
2023Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
03-10 32° 36° 362 136 14 0 0
03-11 33° 41° 377 141 14 0 0
03-12 30° 35° 387 141 14 0 0
03-13 25° 31° 393 141 14 0 0
03-14 23° 32° 399 141 14 0 0
03-15 20° 47° 410 142 14 0 0
03-16 38° 46° 430 152 14 0 0
03-17 28° 49° 446 159 14 0 0
03-18 14° 27° 446 159 14 0 0
03-19 19° 38° 453 159 14 0 0
03-20 25° 47° 468 163 14 0 0
03-21 34° 50° 488 173 14 0 0
2023Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
03-22 39° 49° 510 185 16 0 0
03-23 35° 49° 530 195 16 0 0
03-24 34° 46° 548 203 16 0 0
03-25 34° 40° 563 209 16 0 0
03-26 32° 49° 582 217 16 0 0
03-27 33° 42° 597 223 16 0 0
03-28 28° 48° 613 229 16 0 0
03-29 26° 41° 625 231 16 0 0
03-30 22° 53° 640 236 16 0 0
03-31 50° 65° 676 261 32 8 3
04-01 34° 53° 697 273 34 8 3
04-02 29° 53° 717 282 34 8 3
2023Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
04-03 41° 60° 745 300 42 8 3
04-04 46° 65° 779 324 56 13 3
04-05 40° 71° 813 348 70 19 4
04-06 34° 51° 833 358 70 19 4
04-07 34° 48° 852 367 70 19 4
04-08 36° 58° 877 383 75 19 4
04-09 41° 64° 908 403 86 22 4
04-10 44° 67° 941 426 99 27 5
04-11 49° 75° 981 456 119 39 12
04-12 56° 79° 1026 492 144 57 24
04-13 53° 79° 1071 526 169 73 35
04-14 52° 79° 1114 560 192 89 46
2023Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
04-15 61° 79° 1162 598 220 108 61
04-16 38° 67° 1192 618 231 111 61
04-17 31° 39° 1205 621 231 111 61
04-18 35° 55° 1228 634 234 111 61
04-19 39° 75° 1263 659 249 118 63
04-20 59° 78° 1310 695 275 137 76
04-21 46° 60° 1341 717 286 140 76
04-22 38° 50° 1363 729 289 140 76
04-23 36° 42° 1380 736 289 140 76
04-24 32° 49° 1399 744 289 140 76
04-25 37° 45° 1418 753 289 140 76
04-26 33° 47° 1436 761 289 140 76
2023Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
04-27 33° 63° 1462 777 294 140 76
04-28 44° 53° 1488 794 301 140 76
04-29 37° 63° 1517 812 309 140 76
04-30 39° 48° 1538 824 311 140 76
05-01 38° 45° 1558 833 311 140 76
05-02 41° 48° 1580 846 313 140 76
05-03 41° 47° 1602 858 315 140 76
05-04 37° 67° 1632 878 326 142 76
05-05 50° 74° 1673 908 346 154 84
05-06 57° 76° 1717 943 370 171 95
05-07 62° 78° 1765 981 398 191 110
05-08 51° 63° 1801 1006 414 198 113
2023Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
05-09 47° 63° 1834 1029 427 203 113
05-10 46° 74° 1872 1057 445 213 118
05-11 54° 80° 1917 1092 470 230 130
05-12 64° 78° 1966 1131 499 252 146
05-13 61° 70° 2010 1165 523 267 157
05-14 57° 65° 2049 1194 542 278 163
05-15 50° 63° 2083 1219 556 285 164
05-16 46° 76° 2122 1248 575 296 170
05-17 46° 60° 2153 1269 586 299 170
05-18 44° 71° 2189 1295 602 307 173
05-19 55° 70° 2230 1325 623 319 181
05-20 46° 60° 2261 1347 634 323 181
2023Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
05-21 48° 74° 2300 1375 653 333 186
05-22 51° 76° 2341 1407 675 347 195
05-23 56° 79° 2387 1443 700 365 208
05-24 56° 68° 2427 1473 720 377 215
05-25 47° 58° 2457 1493 730 379 215
05-26 43° 64° 2489 1514 742 382 215
05-27 45° 72° 2525 1541 758 391 218
05-28 52° 73° 2566 1571 779 403 226
05-29 53° 78° 2609 1605 802 419 236
05-30 59° 83° 2659 1644 832 440 253
05-31 67° 87° 2713 1689 867 467 274
06-01 65° 85° 2767 1732 900 493 295
2023Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
06-02 63° 85° 2819 1775 932 517 314
06-03 63° 81° 2869 1814 962 538 331
06-04 60° 73° 2913 1849 986 555 342
06-05 51° 77° 2955 1880 1008 568 351
06-06 58° 73° 2998 1914 1031 584 361
06-07 54° 70° 3038 1944 1051 596 368
06-08 49° 69° 3076 1971 1069 605 373
06-09 50° 73° 3115 2001 1088 617 379
06-10 56° 83° 3162 2038 1116 636 393
06-11 54° 71° 3203 2068 1136 648 401
06-12 53° 66° 3240 2095 1153 658 405
06-13 56° 63° 3277 2123 1170 667 409
2023Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
06-14 56° 66° 3316 2152 1189 678 415
06-15 54° 77° 3360 2185 1213 693 426
06-16 53° 63° 3396 2211 1229 702 429
06-17 49° 74° 3436 2241 1249 713 436
06-18 56° 82° 3483 2278 1276 732 450
06-19 62° 81° 3532 2318 1305 754 466
06-20 60° 79° 3580 2356 1333 774 481
06-21 62° 83° 3631 2396 1364 797 499
06-22 63° 79° 3680 2436 1393 818 515
06-23 65° 79° 3730 2476 1423 840 532
06-24 61° 85° 3782 2517 1455 863 551
06-25 66° 83° 3834 2560 1487 888 570
2023Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
06-26 66° 72° 3881 2596 1514 907 584
06-27 60° 67° 3922 2628 1535 920 592
06-28 54° 80° 3967 2662 1560 936 604
06-29 68° 84° 4021 2706 1594 962 625
06-30 68° 86° 4076 2752 1629 990 647
07-01 71° 82° 4131 2796 1664 1016 668
07-02 65° 75° 4178 2834 1691 1036 683
07-03 64° 78° 4227 2873 1720 1057 699
07-04 64° 89° 4282 2917 1755 1084 721
07-05 69° 88° 4339 2964 1792 1112 745
07-06 66° 74° 4387 3003 1820 1133 760
07-07 61° 79° 4435 3041 1848 1153 775
2023Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
07-08 62° 71° 4480 3075 1873 1169 787
07-09 55° 81° 4526 3111 1899 1187 800
07-10 60° 82° 4575 3150 1928 1209 816
07-11 66° 86° 4629 3195 1962 1235 837
07-12 59° 79° 4676 3232 1989 1254 851
07-13 65° 75° 4724 3270 2017 1274 866
07-14 65° 88° 4778 3314 2051 1300 887
07-15 68° 81° 4831 3356 2084 1324 907
07-16 65° 80° 4881 3396 2114 1347 924
07-17 64° 77° 4929 3435 2142 1367 939
07-18 56° 75° 4973 3468 2166 1383 950
07-19 56° 80° 5019 3505 2192 1401 963
2023Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
07-20 67° 85° 5073 3549 2226 1427 984
07-21 63° 73° 5120 3585 2253 1445 997
07-22 56° 83° 5167 3623 2280 1465 1012
07-23 65° 82° 5219 3664 2312 1488 1031
07-24 62° 83° 5269 3705 2342 1511 1048
07-25 62° 87° 5322 3747 2375 1535 1068
07-26 72° 87° 5379 3795 2412 1565 1092
07-27 69° 89° 5436 3842 2450 1594 1116
07-28 72° 91° 5496 3891 2489 1625 1143
07-29 66° 80° 5547 3933 2520 1649 1161
07-30 61° 77° 5594 3969 2547 1667 1175
07-31 58° 78° 5640 4006 2573 1686 1188
2023Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
08-01 59° 81° 5688 4044 2601 1706 1203
08-02 62° 81° 5738 4083 2631 1727 1220
08-03 61° 84° 5788 4124 2661 1750 1237
08-04 66° 81° 5840 4165 2693 1773 1256
08-05 66° 75° 5888 4204 2721 1794 1271
08-06 63° 70° 5933 4239 2746 1811 1283
08-07 65° 74° 5981 4276 2774 1830 1298
08-08 58° 82° 6029 4315 2802 1851 1313
08-09 62° 80° 6078 4353 2831 1871 1329
08-10 62° 81° 6127 4393 2860 1893 1345
08-11 67° 82° 6180 4435 2893 1917 1365
08-12 68° 81° 6233 4478 2926 1942 1384
2023Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
08-13 63° 79° 6281 4517 2954 1963 1400
08-14 64° 76° 6329 4555 2982 1983 1415
08-15 63° 74° 6376 4592 3009 2002 1429
08-16 55° 79° 6421 4627 3034 2019 1441
08-17 62° 78° 6470 4665 3063 2039 1457
08-18 58° 73° 6513 4699 3086 2055 1467
08-19 55° 78° 6558 4734 3111 2072 1479
08-20 69° 86° 6614 4779 3147 2099 1501
08-21 69° 79° 6666 4821 3179 2123 1520
08-22 67° 85° 6720 4865 3213 2149 1542
08-23 70° 95° 6780 4916 3253 2182 1569
08-24 79° 97° 6846 4971 3299 2219 1602
2023Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
08-25 69° 78° 6898 5013 3331 2243 1621
08-26 68° 74° 6947 5052 3360 2265 1637
08-27 59° 72° 6991 5086 3384 2280 1648
08-28 53° 75° 7033 5119 3406 2295 1657
08-29 56° 80° 7079 5155 3433 2313 1670
08-30 58° 67° 7120 5185 3453 2326 1678
08-31 50° 74° 7160 5215 3473 2337 1684
09-01 53° 82° 7205 5250 3498 2354 1697
09-02 56° 84° 7253 5289 3526 2375 1712
09-03 66° 89° 7309 5334 3562 2403 1735
09-04 68° 89° 7365 5381 3598 2431 1758
09-05 73° 89° 7425 5430 3638 2462 1785
2023Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
09-06 68° 81° 7477 5473 3670 2487 1804
09-07 65° 69° 7522 5508 3695 2504 1816
09-08 61° 67° 7564 5540 3717 2518 1825
09-09 55° 72° 7606 5571 3739 2531 1834
09-10 52° 76° 7648 5603 3761 2545 1843
09-11 61° 66° 7689 5634 3782 2558 1851
09-12 57° 67° 7729 5664 3802 2570 1858
09-13 50° 66° 7765 5690 3818 2579 1861
09-14 48° 69° 7801 5717 3835 2587 1864
09-15 49° 74° 7841 5746 3854 2599 1871
09-16 52° 73° 7881 5777 3874 2611 1878
09-17 57° 66° 7921 5806 3894 2622 1885
2023Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
09-18 53° 67° 7959 5834 3912 2632 1890
09-19 50° 63° 7994 5859 3927 2639 1891
09-20 57° 79° 8039 5895 3952 2657 1904
09-21 63° 77° 8087 5932 3980 2677 1919
09-22 62° 80° 8136 5971 4009 2697 1935
09-23 58° 76° 8181 6006 4034 2715 1947
09-24 52° 76° 8223 6038 4056 2729 1956
09-25 58° 76° 8268 6073 4081 2746 1968
09-26 61° 72° 8313 6108 4106 2762 1980
09-27 62° 67° 8355 6141 4128 2777 1989
09-28 59° 68° 8396 6172 4150 2790 1997
09-29 58° 73° 8440 6206 4173 2806 2008
2023Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
09-30 54° 82° 8486 6241 4199 2824 2021

 

Latest Updates

March 18th, 2024Timing crabgrass preemergence applications in spring

Don't miss this update from from Kevin Frank regarding timing of crabgrass preemergence herbicides.


 

February 12th, 2024Welcome to the 2024 GDD Tracking Season

2024 might be the year that if you blinked you missed winter. We've already experienced some very unseasonably warm weather in February with temperatures in the 60's. Temperatures are remaining relatively mild but I wouldn't be surprised if winter resurfaced yet as we move through the rest of February and March. GDDTracker starts counting on February 15. Spring is typically the time of year when GDDTracker receives the most attention for alerting turfgrass managers of optimal application timing windows for suppressing annual bluegrass seedheads and crabgrass preemergence applications. However, there are many models you may find helpful throughout the season including the early season DMI timer and Smith-Kerns dollar spot prediction model. To learn about all the available models, click on the "About" tab at the top of the screen. Thanks for your continued support and use of GDDTracker and best wishes for a fantastic 2024!