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MSU Proxy/Primo Seedhead Timer (GDD 32)
through Mon, Jun. 5. 2023

 
  

Demotte, IN

       

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Tabular Data

Daily GDD accumulation for various base temperature models in 2023 & 2022

2023Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
02-15 36° 52° 22 12 2 0 0
02-16 30° 38° 34 14 2 0 0
02-17 20° 29° 37 14 2 0 0
02-18 20° 44° 47 14 2 0 0
02-19 35° 54° 69 27 5 0 0
02-20 30° 49° 87 34 5 0 0
02-21 29° 38° 98 36 5 0 0
02-22 32° 36° 110 38 5 0 0
02-23 27° 46° 125 42 5 0 0
02-24 20° 30° 128 42 5 0 0
02-25 28° 35° 137 42 5 0 0
02-26 26° 50° 153 48 5 0 0
2023Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
02-27 39° 58° 180 65 11 0 0
02-28 38° 50° 201 76 13 0 0
03-01 34° 59° 226 91 17 0 0
03-02 31° 41° 240 95 17 0 0
03-03 31° 38° 252 98 17 0 0
03-04 26° 41° 264 99 17 0 0
03-05 27° 50° 281 106 17 0 0
03-06 40° 54° 306 121 23 0 0
03-07 34° 45° 323 129 23 0 0
03-08 32° 48° 342 137 23 0 0
03-09 34° 42° 358 143 23 0 0
03-10 33° 36° 370 145 23 0 0
2023Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
03-11 32° 40° 385 150 23 0 0
03-12 31° 36° 396 151 23 0 0
03-13 28° 33° 405 151 23 0 0
03-14 22° 37° 412 151 23 0 0
03-15 21° 48° 425 154 23 0 0
03-16 35° 47° 444 163 23 0 0
03-17 28° 50° 461 170 23 0 0
03-18 14° 27° 461 170 23 0 0
03-19 14° 37° 464 170 23 0 0
03-20 25° 49° 479 175 23 0 0
03-21 33° 52° 500 186 23 0 0
03-22 38° 50° 522 197 25 0 0
2023Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
03-23 36° 50° 543 208 26 0 0
03-24 34° 46° 560 216 26 0 0
03-25 34° 42° 577 222 26 0 0
03-26 32° 56° 598 234 28 0 0
03-27 33° 45° 615 241 28 0 0
03-28 27° 50° 632 247 28 0 0
03-29 29° 44° 646 252 28 0 0
03-30 27° 58° 666 262 28 0 0
03-31 50° 66° 702 288 44 8 3
04-01 35° 53° 724 300 46 8 3
04-02 29° 54° 744 310 46 8 3
04-03 39° 66° 775 330 56 11 3
2023Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
04-04 48° 70° 811 357 73 19 7
04-05 40° 71° 845 381 87 25 7
04-06 34° 49° 864 390 87 25 7
04-07 33° 55° 887 402 89 25 7
04-08 36° 61° 913 419 96 25 7
04-09 39° 66° 944 439 106 27 7
04-10 42° 69° 977 463 120 33 8
04-11 45° 77° 1016 492 138 44 14
04-12 52° 81° 1061 526 163 60 25
04-13 50° 81° 1104 560 187 76 36
04-14 49° 80° 1147 593 210 91 46
04-15 59° 81° 1195 631 238 111 61
2023Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
04-16 37° 67° 1225 650 247 113 61
04-17 31° 39° 1238 653 247 113 61
04-18 32° 57° 1260 666 250 113 61
04-19 39° 78° 1297 692 266 121 64
04-20 60° 80° 1345 730 294 141 79
04-21 46° 62° 1376 752 306 145 79
04-22 37° 50° 1398 763 307 145 79
04-23 35° 43° 1414 770 307 145 79
04-24 31° 52° 1434 779 307 145 79
04-25 38° 52° 1457 793 310 145 79
04-26 31° 52° 1477 802 310 145 79
04-27 32° 65° 1503 819 317 145 79
2023Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
04-28 46° 59° 1534 839 328 147 79
04-29 39° 65° 1563 859 337 149 79
04-30 37° 49° 1584 870 338 149 79
05-01 39° 46° 1605 881 339 149 79
05-02 41° 53° 1630 896 344 149 79
05-03 40° 57° 1656 912 350 149 79
05-04 37° 70° 1687 933 361 152 79
05-05 47° 76° 1727 963 381 164 86
05-06 57° 77° 1772 998 406 181 98
05-07 64° 84° 1824 1040 438 204 117
05-08 54° 66° 1862 1068 456 215 122
05-09 47° 73° 1900 1095 473 224 127
2023Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
05-10 46° 78° 1940 1125 494 236 134
05-11 53° 83° 1986 1162 520 255 147
05-12 65° 80° 2037 1202 551 277 165
05-13 63° 74° 2083 1239 577 296 178
05-14 59° 68° 2125 1271 599 310 187
05-15 54° 71° 2166 1302 620 322 195
05-16 49° 78° 2208 1334 642 336 204
05-17 48° 69° 2244 1360 658 345 207
05-18 43° 75° 2281 1387 675 354 211
05-19 57° 74° 2325 1420 699 369 222
05-20 46° 66° 2359 1445 713 375 223
05-21 46° 79° 2400 1475 733 388 231
2023Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
05-22 51° 80° 2443 1509 757 404 241
05-23 55° 84° 2491 1547 785 424 256
05-24 56° 77° 2536 1581 809 440 268
05-25 48° 67° 2571 1607 825 448 270
05-26 42° 75° 2608 1633 841 456 274
05-27 44° 78° 2647 1662 860 467 280
05-28 54° 81° 2692 1698 886 485 292
05-29 56° 85° 2741 1736 914 505 308
05-30 61° 89° 2794 1779 947 530 328
05-31 66° 89° 2849 1825 983 558 350
06-01 64° 91° 2905 1870 1019 585 373
06-02 63° 92° 2960 1916 1054 613 395
2023Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
06-03 63° 90° 3014 1960 1088 639 416
06-04 63° 81° 3065 2000 1119 661 434
06-05 51° 83° 3110 2035 1143 678 446
06-06 57° 78° 3155 2071 1169 696 458
06-07 55° 78° 3200 2105 1193 712 470
06-08 49° 76° 3240 2136 1214 725 477
06-09 48° 81° 3283 2168 1237 739 487
06-10 56° 86° 3332 2207 1266 760 503
06-11 59° 74° 3376 2242 1290 777 514
06-12 50° 78° 3418 2274 1312 791 523
2022Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
02-15 16° 37° 4 0 0 0 0
02-16 38° 53° 28 14 4 0 0
02-17 20° 51° 42 17 4 0 0
02-18 31° 42 17 4 0 0
02-19 12° 32° 42 17 4 0 0
02-20 14° 46° 50 17 4 0 0
02-21 34° 53° 71 29 5 0 0
02-22 27° 52° 89 37 5 0 0
02-23 20° 27° 90 37 5 0 0
02-24 24° 29° 95 37 5 0 0
02-25 21° 28° 98 37 5 0 0
02-26 15° 32° 99 37 5 0 0
2022Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
02-27 27° 43° 112 40 5 0 0
02-28 25° 51° 128 46 5 0 0
03-01 33° 52° 149 56 6 0 0
03-02 30° 60° 171 69 8 0 0
03-03 28° 35° 181 69 8 0 0
03-04 26° 45° 194 72 8 0 0
03-05 37° 70° 226 94 20 4 0
03-06 37° 61° 253 111 27 4 0
03-07 32° 37° 266 114 27 4 0
03-08 29° 38° 277 115 27 4 0
03-09 26° 46° 291 119 27 4 0
03-10 25° 34° 299 119 27 4 0
2022Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
03-11 18° 29° 300 119 27 4 0
03-12 11° 20° 300 119 27 4 0
03-13 17° 52° 313 122 27 4 0
03-14 36° 62° 340 139 34 4 0
03-15 35° 60° 366 155 40 4 0
03-16 36° 69° 396 175 51 7 0
03-17 45° 72° 433 202 67 15 4
03-18 44° 52° 459 218 73 15 4
03-19 38° 46° 478 227 73 15 4
03-20 32° 62° 504 243 78 15 4
03-21 40° 73° 538 267 93 22 5
03-22 49° 57° 569 288 104 25 5
2022Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
03-23 48° 60° 601 310 116 29 5
03-24 40° 47° 622 321 117 29 5
03-25 35° 46° 641 330 117 29 5
03-26 28° 35° 651 330 117 29 5
03-27 25° 33° 658 330 117 29 5
03-28 21° 34° 663 330 117 29 5
03-29 26° 39° 674 331 117 29 5
03-30 39° 62° 703 350 126 29 5
03-31 34° 56° 726 363 129 29 5
04-01 31° 41° 741 367 129 29 5
04-02 30° 47° 757 374 129 29 5
04-03 32° 50° 776 383 129 29 5
2022Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
04-04 43° 54° 802 399 136 29 5
04-05 30° 59° 824 411 138 29 5
04-06 45° 56° 853 430 147 30 5
04-07 39° 45° 873 440 147 30 5
04-08 34° 41° 888 445 147 30 5
04-09 32° 45° 905 452 147 30 5
04-10 30° 61° 929 466 150 30 5
04-11 47° 59° 960 487 161 33 5
04-12 35° 70° 990 507 172 35 5
04-13 45° 68° 1024 531 186 42 7
04-14 34° 54° 1046 543 188 42 7
04-15 41° 60° 1075 562 197 42 7
2022Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
04-16 34° 48° 1094 571 197 42 7
04-17 29° 48° 1111 578 197 42 7
04-18 32° 39° 1124 581 197 42 7
04-19 32° 47° 1142 589 197 42 7
04-20 38° 55° 1166 603 201 42 7
04-21 50° 69° 1204 631 219 52 11
04-22 47° 63° 1237 654 232 57 12
04-23 53° 84° 1284 691 259 76 25
04-24 64° 74° 1331 728 286 96 40
04-25 41° 62° 1361 748 296 97 40
04-26 36° 51° 1383 760 297 97 40
04-27 31° 45° 1399 766 297 97 40
2022Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
04-28 35° 53° 1421 778 300 97 40
04-29 46° 67° 1456 803 314 104 41
04-30 50° 73° 1496 832 334 115 48
05-01 50° 59° 1528 855 347 120 48
05-02 47° 57° 1559 875 357 122 48
05-03 43° 54° 1585 892 364 122 48
05-04 43° 59° 1614 911 373 123 48
05-05 44° 55° 1642 929 380 123 48
05-06 49° 54° 1671 948 390 125 48
05-07 44° 67° 1705 972 403 131 48
05-08 42° 67° 1737 994 416 135 48
05-09 52° 81° 1782 1029 440 151 60
2022Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
05-10 66° 88° 1837 1073 475 178 82
05-11 71° 90° 1895 1122 513 209 107
05-12 69° 90° 1952 1169 551 238 131
05-13 61° 89° 2005 1212 584 263 151
05-14 62° 81° 2055 1252 613 285 168
05-15 57° 79° 2101 1288 640 303 181
05-16 52° 76° 2143 1320 662 317 190
05-17 51° 71° 2182 1349 681 328 196
05-18 56° 68° 2222 1379 700 339 203
05-19 53° 84° 2268 1415 727 358 216
05-20 65° 87° 2322 1459 761 384 237
05-21 56° 69° 2363 1490 781 396 245
2022Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
05-22 50° 62° 2397 1514 795 402 246
05-23 44° 65° 2429 1536 808 407 246
05-24 47° 71° 2466 1563 825 416 250
05-25 57° 83° 2514 1601 853 436 265
05-26 63° 76° 2562 1639 880 455 279
05-27 51° 63° 2597 1664 896 463 282
05-28 47° 74° 2636 1693 914 473 287
05-29 60° 83° 2686 1733 944 495 304
05-30 66° 88° 2741 1778 979 523 326
05-31 72° 91° 2801 1827 1019 554 353
06-01 60° 78° 2848 1865 1046 573 367
06-02 58° 76° 2893 1900 1071 590 379
2022Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
06-03 54° 81° 2938 1935 1097 608 392
06-04 48° 78° 2980 1966 1118 621 400
06-05 61° 82° 3029 2006 1147 643 416
06-06 64° 81° 3079 2046 1178 665 434
06-07 58° 68° 3120 2077 1198 678 442
06-08 55° 67° 3159 2106 1217 689 447
06-09 54° 76° 3202 2139 1240 703 457
06-10 53° 79° 3246 2172 1264 719 468
06-11 54° 74° 3288 2204 1286 733 477
06-12 62° 77° 3335 2242 1313 752 491
06-13 62° 92° 3390 2287 1348 779 513
06-14 76° 95° 3453 2340 1392 815 544
2022Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
06-15 75° 94° 3516 2393 1434 849 573
06-16 75° 93° 3578 2445 1476 884 602
06-17 67° 86° 3632 2489 1511 910 624
06-18 57° 74° 3676 2523 1534 925 634
06-19 50° 83° 3720 2557 1559 942 646
06-20 58° 92° 3773 2600 1592 967 666
06-21 65° 95° 3831 2648 1630 997 691
06-22 73° 87° 3889 2696 1668 1027 716
06-23 60° 84° 3940 2737 1698 1049 733
06-24 54° 89° 3989 2776 1728 1071 750
06-25 60° 79° 4037 2814 1755 1090 764
06-26 66° 80° 4088 2855 1786 1113 782
2022Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
06-27 55° 77° 4132 2889 1811 1130 794
06-28 51° 82° 4177 2924 1835 1146 805
06-29 62° 87° 4229 2966 1868 1171 825
06-30 64° 90° 4284 3011 1903 1198 847
07-01 66° 84° 4337 3054 1936 1223 867
07-02 62° 82° 4387 3094 1966 1245 884
07-03 57° 87° 4437 3134 1996 1267 901
07-04 62° 87° 4490 3177 2028 1291 920
07-05 70° 98° 4552 3229 2070 1325 949
07-06 71° 80° 4606 3273 2104 1351 970
07-07 68° 84° 4659 3316 2138 1377 991
07-08 72° 76° 4711 3358 2170 1401 1010
2022Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
07-09 66° 82° 4764 3401 2202 1425 1029
07-10 57° 84° 4812 3439 2230 1446 1045
07-11 62° 85° 4864 3481 2262 1469 1063
07-12 66° 83° 4916 3523 2295 1494 1083
07-13 63° 83° 4967 3564 2326 1517 1101
07-14 57° 83° 5015 3602 2354 1537 1116
07-15 60° 72° 5059 3636 2377 1553 1126
07-16 66° 81° 5111 3678 2409 1576 1145
07-17 70° 76° 5162 3719 2440 1600 1164
07-18 67° 86° 5217 3764 2475 1626 1185
07-19 66° 86° 5271 3808 2509 1652 1206
07-20 73° 88° 5329 3856 2548 1683 1232
2022Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
07-21 66° 89° 5385 3902 2583 1710 1254
07-22 66° 88° 5440 3947 2618 1737 1276
07-23 67° 78° 5490 3987 2649 1760 1294
07-24 70° 83° 5545 4032 2683 1786 1315
07-25 65° 78° 5594 4071 2712 1808 1331
07-26 59° 78° 5641 4108 2739 1826 1345
07-27 69° 82° 5694 4151 2773 1852 1366
07-28 63° 80° 5744 4191 2802 1874 1383
07-29 57° 78° 5790 4227 2828 1891 1395
07-30 56° 80° 5836 4263 2855 1910 1409
07-31 59° 82° 5885 4302 2883 1930 1424
08-01 69° 85° 5939 4346 2918 1957 1446
2022Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
08-02 63° 83° 5991 4387 2949 1980 1464
08-03 69° 91° 6048 4435 2987 2010 1489
08-04 70° 84° 6103 4480 3022 2037 1511
08-05 72° 84° 6159 4526 3058 2065 1534
08-06 69° 89° 6216 4573 3095 2094 1558
08-07 73° 81° 6271 4618 3130 2121 1580
08-08 67° 86° 6326 4663 3164 2147 1601
08-09 61° 74° 6371 4698 3190 2165 1614
08-10 53° 82° 6417 4734 3215 2182 1626
08-11 63° 79° 6466 4773 3244 2203 1642
08-12 53° 77° 6509 4806 3267 2218 1652
08-13 58° 76° 6554 4841 3292 2236 1665
2022Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
08-14 65° 75° 6602 4879 3320 2255 1679
08-15 63° 79° 6651 4918 3349 2276 1695
08-16 58° 82° 6699 4956 3377 2296 1710
08-17 58° 82° 6747 4994 3405 2316 1725
08-18 55° 82° 6793 5030 3431 2335 1739
08-19 60° 83° 6843 5069 3461 2356 1755
08-20 64° 78° 6892 5109 3490 2377 1771
08-21 61° 77° 6939 5146 3517 2396 1785
08-22 62° 80° 6988 5185 3547 2418 1802
08-23 58° 82° 7036 5223 3575 2438 1817
08-24 58° 83° 7085 5262 3603 2458 1832
08-25 61° 80° 7134 5300 3632 2479 1848
2022Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
08-26 64° 79° 7183 5340 3661 2501 1864
08-27 53° 82° 7229 5376 3687 2518 1877
08-28 64° 89° 7283 5420 3721 2544 1898
08-29 70° 85° 7338 5465 3756 2572 1920
08-30 64° 79° 7387 5504 3786 2593 1937
08-31 56° 81° 7434 5540 3812 2611 1950
09-01 61° 84° 7484 5581 3842 2634 1968
09-02 63° 82° 7535 5622 3873 2657 1985
09-03 66° 80° 7586 5663 3904 2679 2003
09-04 69° 74° 7635 5702 3934 2701 2020
09-05 65° 73° 7682 5739 3961 2720 2034
09-06 66° 80° 7733 5780 3992 2743 2052
2022Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
09-07 61° 78° 7781 5818 4019 2762 2066
09-08 52° 81° 7825 5852 4044 2779 2078
09-09 52° 81° 7870 5887 4068 2796 2090
09-10 56° 83° 7918 5925 4096 2815 2104
09-11 60° 69° 7960 5957 4119 2830 2114
09-12 53° 59° 7994 5981 4133 2836 2115
09-13 51° 74° 8035 6012 4153 2848 2122
09-14 53° 79° 8079 6046 4177 2864 2133
09-15 56° 81° 8125 6082 4204 2883 2147
09-16 58° 82° 8173 6120 4232 2903 2162
09-17 62° 84° 8224 6161 4263 2926 2180
09-18 65° 84° 8277 6204 4295 2951 2200
2022Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
09-19 59° 80° 8324 6241 4323 2970 2214
09-20 55° 91° 8375 6282 4354 2993 2232
09-21 70° 88° 8432 6329 4391 3022 2256
09-22 52° 67° 8469 6356 4408 3031 2260
09-23 40° 62° 8498 6375 4417 3032 2260
09-24 52° 76° 8541 6407 4439 3046 2269
09-25 55° 66° 8579 6436 4457 3057 2275
09-26 48° 62° 8612 6459 4470 3061 2275
09-27 42° 60° 8641 6478 4479 3063 2275
09-28 44° 60° 8671 6498 4489 3065 2275
09-29 37° 65° 8700 6517 4498 3066 2275
09-30 39° 68° 8732 6539 4510 3069 2275
2022Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55

 

Latest Updates

February 16th, 2023Welcome to the 2023 GDD Tracking Season

The roller coaster of late winter and early spring has begun in Michigan. Near 60°F a few days ago and now snow in the forecast once again. Despite the variable low and high temperatures for this time of year, 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 2023!