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

 
  

Schererville, 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 29° 36° 33 13 2 0 0
02-17 19° 27° 33 13 2 0 0
02-18 21° 46° 45 14 2 0 0
02-19 38° 54° 69 28 6 0 0
02-20 28° 49° 86 35 6 0 0
02-21 27° 39° 97 36 6 0 0
02-22 32° 35° 109 38 6 0 0
02-23 27° 45° 122 42 6 0 0
02-24 19° 29° 124 42 6 0 0
02-25 26° 36° 134 42 6 0 0
02-26 27° 51° 150 48 6 0 0
2023Lo
(F)		Hi
(F)		GDD
22		GDD
32		GDD
42		GDD
50		GDD
55
02-27 39° 58° 177 65 12 0 0
02-28 38° 51° 199 77 15 0 0
03-01 34° 59° 223 91 19 0 0
03-02 32° 42° 238 96 19 0 0
03-03 31° 39° 252 100 19 0 0
03-04 19° 40° 259 100 19 0 0
03-05 28° 50° 276 107 19 0 0
03-06 41° 55° 302 122 25 0 0
03-07 34° 43° 318 128 25 0 0
03-08 33° 47° 336 137 25 0 0
03-09 34° 42° 352 142 25 0 0
03-10 32° 36° 364 145 25 0 0
2023Lo
(F)		Hi
(F)		GDD
22		GDD
32		GDD
42		GDD
50		GDD
55
03-11 33° 40° 378 149 25 0 0
03-12 31° 36° 390 150 25 0 0
03-13 29° 33° 399 150 25 0 0
03-14 22° 37° 406 150 25 0 0
03-15 21° 49° 419 153 25 0 0
03-16 39° 47° 440 164 26 0 0
03-17 27° 50° 457 171 26 0 0
03-18 13° 26° 457 171 26 0 0
03-19 16° 38° 462 171 26 0 0
03-20 26° 50° 478 177 26 0 0
03-21 33° 52° 499 187 27 0 0
03-22 38° 49° 520 199 28 0 0
2023Lo
(F)		Hi
(F)		GDD
22		GDD
32		GDD
42		GDD
50		GDD
55
03-23 36° 49° 540 209 28 0 0
03-24 34° 46° 558 217 28 0 0
03-25 34° 42° 574 223 28 0 0
03-26 32° 50° 593 232 28 0 0
03-27 33° 45° 610 239 28 0 0
03-28 26° 50° 627 245 28 0 0
03-29 29° 42° 640 249 28 0 0
03-30 25° 56° 658 257 28 0 0
03-31 50° 66° 695 283 45 8 3
04-01 36° 53° 717 296 47 8 3
04-02 29° 55° 737 306 47 8 3
04-03 41° 63° 767 326 57 10 3
2023Lo
(F)		Hi
(F)		GDD
22		GDD
32		GDD
42		GDD
50		GDD
55
04-04 46° 68° 802 351 72 17 5
04-05 40° 72° 836 374 86 23 6
04-06 32° 52° 856 384 86 23 6
04-07 33° 53° 877 395 87 23 6
04-08 35° 62° 903 412 93 23 6
04-09 40° 66° 934 433 104 26 6
04-10 43° 70° 969 458 119 33 8
04-11 48° 77° 1009 488 139 45 15
04-12 55° 81° 1055 524 165 63 28
04-13 53° 82° 1101 559 191 80 41
04-14 52° 81° 1145 594 215 97 52
04-15 61° 80° 1194 633 244 118 68
2023Lo
(F)		Hi
(F)		GDD
22		GDD
32		GDD
42		GDD
50		GDD
55
04-16 37° 69° 1225 653 255 120 68
04-17 31° 38° 1237 656 255 120 68
04-18 32° 57° 1260 668 257 120 68
04-19 41° 75° 1295 694 273 128 71
04-20 60° 80° 1343 732 301 148 85
04-21 45° 63° 1375 754 313 152 85
04-22 38° 49° 1397 766 315 152 85
04-23 35° 43° 1414 773 315 152 85
04-24 31° 52° 1434 782 315 152 85
04-25 40° 48° 1455 794 316 152 85
04-26 30° 51° 1474 803 316 152 85
04-27 31° 66° 1500 819 322 152 85
2023Lo
(F)		Hi
(F)		GDD
22		GDD
32		GDD
42		GDD
50		GDD
55
04-28 46° 58° 1530 838 332 154 85
04-29 38° 61° 1557 856 340 154 85
04-30 37° 47° 1578 866 340 154 85
05-01 39° 46° 1599 877 341 154 85
05-02 41° 53° 1623 892 346 154 85
05-03 40° 57° 1650 909 352 154 85
05-04 37° 71° 1681 930 364 158 85
05-05 50° 76° 1723 961 385 171 93
05-06 59° 77° 1769 998 411 189 107
05-07 65° 83° 1821 1040 443 213 126
05-08 53° 64° 1858 1066 460 222 129
05-09 47° 70° 1894 1093 477 230 133
2023Lo
(F)		Hi
(F)		GDD
22		GDD
32		GDD
42		GDD
50		GDD
55
05-10 46° 79° 1935 1124 497 243 141
05-11 54° 83° 1982 1160 524 262 154
05-12 64° 79° 2031 1200 554 283 171
05-13 59° 73° 2075 1234 577 299 182
05-14 56° 68° 2115 1264 598 311 189
05-15 54° 70° 2155 1294 617 323 196
05-16 48° 79° 2197 1325 639 337 204
05-17 47° 66° 2231 1350 654 343 206
05-18 44° 75° 2268 1377 671 353 210
05-19 56° 72° 2311 1409 693 367 219
05-20 46° 67° 2345 1434 708 373 221
05-21 48° 79° 2387 1466 729 387 230
2023Lo
(F)		Hi
(F)		GDD
22		GDD
32		GDD
42		GDD
50		GDD
55
05-22 53° 81° 2431 1500 754 404 241
05-23 57° 85° 2480 1539 783 424 257
05-24 55° 72° 2522 1571 804 438 266
05-25 48° 63° 2555 1594 818 443 266
05-26 42° 70° 2589 1618 832 449 267
05-27 44° 76° 2627 1646 850 459 272
05-28 52° 79° 2671 1680 873 475 283
05-29 54° 85° 2718 1717 901 494 297
05-30 61° 89° 2771 1760 934 519 317
05-31 67° 87° 2826 1805 968 546 339
06-01 66° 89° 2881 1850 1004 573 361
06-02 65° 91° 2938 1896 1040 602 384
2023Lo
(F)		Hi
(F)		GDD
22		GDD
32		GDD
42		GDD
50		GDD
55
06-03 64° 88° 2992 1941 1074 628 406
06-04 62° 77° 3040 1979 1102 648 421
06-05 52° 83° 3085 2014 1128 665 433
06-06 59° 76° 3131 2049 1153 683 445
06-07 55° 76° 3174 2083 1177 698 456
06-08 50° 75° 3215 2113 1197 711 463
06-09 50° 80° 3258 2146 1220 726 473
06-10 57° 85° 3307 2185 1249 747 489
06-11 59° 72° 3350 2219 1273 762 500
06-12 51° 77° 3392 2251 1295 776 509
2022Lo
(F)		Hi
(F)		GDD
22		GDD
32		GDD
42		GDD
50		GDD
55
02-15 17° 38° 5 0 0 0 0
02-16 39° 53° 30 14 4 0 0
02-17 20° 51° 43 18 4 0 0
02-18 5° 31° 43 18 4 0 0
02-19 10° 31° 43 18 4 0 0
02-20 14° 44° 50 18 4 0 0
02-21 33° 53° 71 29 5 0 0
02-22 26° 53° 88 36 5 0 0
02-23 19° 26° 89 36 5 0 0
02-24 24° 28° 93 36 5 0 0
02-25 19° 28° 94 36 5 0 0
02-26 13° 31° 94 36 5 0 0
2022Lo
(F)		Hi
(F)		GDD
22		GDD
32		GDD
42		GDD
50		GDD
55
02-27 26° 44° 107 39 5 0 0
02-28 25° 52° 124 46 5 0 0
03-01 33° 51° 144 56 5 0 0
03-02 30° 60° 167 69 8 0 0
03-03 28° 35° 177 69 8 0 0
03-04 26° 44° 189 72 8 0 0
03-05 40° 70° 222 95 21 5 0
03-06 36° 62° 249 112 28 5 0
03-07 31° 37° 262 114 28 5 0
03-08 29° 38° 273 115 28 5 0
03-09 28° 44° 287 119 28 5 0
03-10 23° 31° 292 119 28 5 0
2022Lo
(F)		Hi
(F)		GDD
22		GDD
32		GDD
42		GDD
50		GDD
55
03-11 18° 29° 294 119 28 5 0
03-12 10° 20° 294 119 28 5 0
03-13 18° 52° 306 122 28 5 0
03-14 37° 62° 334 139 36 5 0
03-15 34° 58° 358 154 40 5 0
03-16 36° 68° 388 174 50 7 0
03-17 47° 72° 426 201 68 16 4
03-18 42° 49° 449 215 71 16 4
03-19 37° 43° 467 223 71 16 4
03-20 33° 63° 493 239 77 16 4
03-21 42° 73° 528 264 92 24 7
03-22 50° 58° 560 286 104 28 7
2022Lo
(F)		Hi
(F)		GDD
22		GDD
32		GDD
42		GDD
50		GDD
55
03-23 48° 60° 593 308 116 32 7
03-24 41° 47° 614 320 118 32 7
03-25 35° 45° 632 328 118 32 7
03-26 28° 35° 641 328 118 32 7
03-27 23° 34° 648 328 118 32 7
03-28 20° 33° 652 328 118 32 7
03-29 26° 40° 663 329 118 32 7
03-30 40° 60° 692 347 127 32 7
03-31 34° 56° 714 360 129 32 7
04-01 31° 42° 729 364 129 32 7
04-02 29° 45° 744 369 129 32 7
04-03 32° 49° 762 378 129 32 7
2022Lo
(F)		Hi
(F)		GDD
22		GDD
32		GDD
42		GDD
50		GDD
55
04-04 42° 52° 787 393 135 32 7
04-05 32° 56° 809 405 137 32 7
04-06 45° 56° 838 423 145 33 7
04-07 39° 45° 858 433 145 33 7
04-08 34° 40° 873 438 145 33 7
04-09 32° 45° 889 445 145 33 7
04-10 31° 61° 913 459 149 33 7
04-11 49° 60° 946 481 162 37 7
04-12 38° 70° 978 503 174 41 7
04-13 45° 68° 1012 528 188 47 8
04-14 34° 53° 1034 539 190 47 8
04-15 42° 56° 1061 556 196 47 8
2022Lo
(F)		Hi
(F)		GDD
22		GDD
32		GDD
42		GDD
50		GDD
55
04-16 34° 47° 1079 564 196 47 8
04-17 28° 45° 1094 569 196 47 8
04-18 33° 39° 1107 573 196 47 8
04-19 33° 47° 1125 580 196 47 8
04-20 38° 54° 1149 595 201 47 8
04-21 49° 68° 1186 621 217 56 12
04-22 49° 62° 1219 644 230 61 12
04-23 54° 83° 1266 681 257 80 26
04-24 63° 72° 1311 716 282 97 38
04-25 41° 60° 1339 735 291 98 38
04-26 35° 51° 1360 746 292 98 38
04-27 31° 42° 1375 750 292 98 38
2022Lo
(F)		Hi
(F)		GDD
22		GDD
32		GDD
42		GDD
50		GDD
55
04-28 35° 53° 1397 762 294 98 38
04-29 47° 67° 1431 787 308 104 40
04-30 51° 73° 1471 817 328 116 47
05-01 50° 58° 1503 839 340 120 47
05-02 48° 55° 1532 858 349 121 47
05-03 43° 51° 1557 873 354 121 47
05-04 42° 54° 1583 889 360 121 47
05-05 42° 55° 1610 905 367 121 47
05-06 48° 52° 1638 923 375 121 47
05-07 44° 65° 1671 946 387 126 47
05-08 42° 68° 1703 969 400 131 47
05-09 54° 81° 1749 1005 426 149 60
2022Lo
(F)		Hi
(F)		GDD
22		GDD
32		GDD
42		GDD
50		GDD
55
05-10 66° 89° 1805 1050 462 176 82
05-11 72° 90° 1864 1100 501 208 109
05-12 71° 90° 1923 1148 540 238 134
05-13 64° 90° 1978 1193 575 265 156
05-14 63° 80° 2028 1233 604 287 173
05-15 57° 76° 2072 1268 629 304 184
05-16 52° 76° 2114 1300 651 318 194
05-17 51° 68° 2152 1327 669 327 198
05-18 55° 67° 2191 1357 688 339 204
05-19 53° 84° 2238 1394 715 358 218
05-20 65° 87° 2292 1438 749 384 239
05-21 55° 63° 2329 1465 766 393 244
2022Lo
(F)		Hi
(F)		GDD
22		GDD
32		GDD
42		GDD
50		GDD
55
05-22 51° 61° 2364 1489 781 399 245
05-23 43° 62° 2395 1510 791 402 245
05-24 48° 69° 2431 1536 808 410 248
05-25 58° 82° 2479 1574 836 430 263
05-26 65° 75° 2527 1613 864 451 278
05-27 52° 64° 2563 1638 880 458 281
05-28 48° 74° 2602 1667 898 469 287
05-29 62° 83° 2652 1707 929 491 304
05-30 68° 88° 2708 1754 965 520 328
05-31 72° 88° 2767 1802 1004 550 353
06-01 60° 78° 2814 1839 1031 569 367
06-02 58° 76° 2859 1874 1056 586 379
2022Lo
(F)		Hi
(F)		GDD
22		GDD
32		GDD
42		GDD
50		GDD
55
06-03 56° 81° 2905 1910 1082 604 392
06-04 51° 74° 2946 1941 1102 617 400
06-05 60° 81° 2994 1980 1131 638 415
06-06 63° 79° 3043 2019 1160 659 432
06-07 56° 67° 3083 2049 1180 671 439
06-08 55° 69° 3123 2079 1200 683 446
06-09 51° 77° 3166 2111 1223 697 455
06-10 54° 79° 3210 2145 1247 713 466
06-11 54° 75° 3252 2178 1269 728 476
06-12 61° 73° 3297 2213 1294 745 488
06-13 59° 89° 3350 2255 1327 769 507
06-14 77° 97° 3415 2310 1372 806 539
2022Lo
(F)		Hi
(F)		GDD
22		GDD
32		GDD
42		GDD
50		GDD
55
06-15 78° 96° 3480 2365 1417 843 571
06-16 74° 95° 3542 2418 1459 878 601
06-17 69° 86° 3598 2463 1495 905 623
06-18 58° 73° 3641 2497 1518 921 634
06-19 50° 84° 3687 2532 1543 938 646
06-20 61° 92° 3741 2577 1578 965 668
06-21 68° 96° 3802 2627 1619 997 695
06-22 76° 89° 3862 2678 1659 1030 722
06-23 63° 84° 3914 2719 1691 1053 741
06-24 59° 91° 3967 2762 1724 1078 761
06-25 64° 80° 4017 2802 1754 1100 778
06-26 68° 79° 4069 2844 1786 1124 797
2022Lo
(F)		Hi
(F)		GDD
22		GDD
32		GDD
42		GDD
50		GDD
55
06-27 58° 77° 4114 2880 1811 1142 810
06-28 54° 83° 4161 2916 1838 1160 823
06-29 65° 87° 4215 2960 1872 1186 844
06-30 67° 89° 4271 3006 1908 1214 867
07-01 67° 79° 4322 3047 1939 1237 885
07-02 64° 83° 4373 3089 1970 1261 904
07-03 61° 87° 4425 3130 2002 1284 922
07-04 65° 86° 4479 3174 2036 1310 943
07-05 70° 96° 4540 3225 2076 1343 971
07-06 71° 78° 4592 3267 2109 1367 990
07-07 69° 84° 4646 3311 2143 1393 1011
07-08 71° 76° 4698 3353 2175 1417 1030
2022Lo
(F)		Hi
(F)		GDD
22		GDD
32		GDD
42		GDD
50		GDD
55
07-09 66° 79° 4749 3394 2206 1440 1048
07-10 58° 84° 4798 3433 2235 1461 1064
07-11 65° 84° 4851 3476 2267 1486 1084
07-12 67° 84° 4904 3520 2301 1512 1105
07-13 65° 80° 4955 3560 2331 1534 1122
07-14 58° 82° 5002 3598 2359 1554 1137
07-15 61° 73° 5047 3633 2384 1571 1149
07-16 67° 79° 5099 3674 2415 1594 1167
07-17 70° 75° 5149 3715 2446 1617 1185
07-18 67° 87° 5204 3760 2481 1644 1207
07-19 68° 86° 5259 3805 2516 1671 1229
07-20 74° 87° 5318 3853 2555 1701 1254
2022Lo
(F)		Hi
(F)		GDD
22		GDD
32		GDD
42		GDD
50		GDD
55
07-21 66° 90° 5374 3900 2591 1730 1278
07-22 67° 88° 5430 3945 2627 1757 1300
07-23 68° 81° 5483 3988 2659 1782 1320
07-24 71° 83° 5538 4033 2694 1809 1342
07-25 65° 76° 5586 4072 2723 1830 1357
07-26 60° 79° 5634 4109 2751 1849 1372
07-27 69° 82° 5687 4153 2784 1875 1393
07-28 63° 80° 5737 4192 2814 1896 1409
07-29 58° 79° 5784 4229 2841 1915 1423
07-30 57° 81° 5831 4266 2868 1934 1437
07-31 60° 82° 5880 4305 2897 1955 1453
08-01 70° 85° 5935 4351 2932 1983 1476
2022Lo
(F)		Hi
(F)		GDD
22		GDD
32		GDD
42		GDD
50		GDD
55
08-02 64° 85° 5988 4393 2965 2007 1495
08-03 71° 91° 6047 4442 3004 2038 1521
08-04 70° 84° 6102 4487 3039 2065 1543
08-05 71° 85° 6158 4533 3074 2093 1566
08-06 70° 90° 6215 4581 3112 2123 1591
08-07 72° 80° 6270 4625 3147 2149 1612
08-08 66° 83° 6323 4668 3179 2174 1632
08-09 61° 73° 6368 4703 3205 2191 1644
08-10 53° 82° 6414 4739 3230 2209 1657
08-11 64° 78° 6462 4778 3259 2230 1673
08-12 55° 77° 6506 4812 3283 2246 1684
08-13 61° 75° 6552 4848 3309 2264 1697
2022Lo
(F)		Hi
(F)		GDD
22		GDD
32		GDD
42		GDD
50		GDD
55
08-14 66° 74° 6600 4886 3337 2284 1712
08-15 65° 78° 6650 4925 3367 2305 1728
08-16 60° 81° 6698 4964 3395 2326 1743
08-17 59° 82° 6746 5002 3423 2346 1759
08-18 57° 82° 6794 5039 3451 2365 1773
08-19 62° 83° 6844 5080 3481 2388 1791
08-20 64° 77° 6893 5119 3510 2409 1806
08-21 62° 76° 6940 5155 3537 2427 1820
08-22 62° 81° 6990 5195 3567 2449 1837
08-23 59° 83° 7039 5234 3596 2470 1853
08-24 61° 83° 7089 5274 3625 2492 1870
08-25 61° 80° 7137 5313 3654 2513 1886
2022Lo
(F)		Hi
(F)		GDD
22		GDD
32		GDD
42		GDD
50		GDD
55
08-26 64° 78° 7186 5352 3683 2534 1901
08-27 54° 83° 7233 5388 3710 2552 1915
08-28 65° 89° 7288 5433 3745 2579 1937
08-29 71° 85° 7344 5479 3780 2607 1960
08-30 65° 80° 7394 5519 3811 2629 1977
08-31 56° 83° 7442 5557 3838 2649 1992
09-01 63° 86° 7494 5599 3871 2673 2011
09-02 66° 83° 7546 5642 3903 2698 2031
09-03 66° 81° 7598 5683 3935 2721 2049
09-04 68° 72° 7646 5722 3963 2742 2064
09-05 66° 71° 7693 5758 3990 2760 2078
09-06 67° 79° 7743 5799 4020 2783 2096
2022Lo
(F)		Hi
(F)		GDD
22		GDD
32		GDD
42		GDD
50		GDD
55
09-07 62° 78° 7791 5837 4048 2803 2111
09-08 53° 82° 7837 5872 4074 2820 2123
09-09 54° 81° 7883 5908 4100 2838 2136
09-10 58° 83° 7931 5947 4128 2859 2152
09-11 59° 68° 7973 5978 4150 2872 2160
09-12 52° 61° 8007 6003 4164 2879 2162
09-13 53° 75° 8049 6035 4186 2893 2170
09-14 53° 79° 8093 6069 4210 2909 2182
09-15 57° 81° 8140 6106 4237 2928 2196
09-16 58° 81° 8188 6143 4265 2947 2210
09-17 64° 84° 8240 6185 4297 2971 2229
09-18 68° 84° 8294 6229 4331 2997 2250
2022Lo
(F)		Hi
(F)		GDD
22		GDD
32		GDD
42		GDD
50		GDD
55
09-19 60° 77° 8340 6265 4357 3015 2263
09-20 56° 91° 8392 6307 4389 3039 2282
09-21 68° 87° 8447 6353 4424 3067 2304
09-22 53° 65° 8484 6380 4441 3076 2308
09-23 44° 62° 8515 6400 4452 3078 2308
09-24 53° 75° 8557 6432 4474 3092 2317
09-25 54° 67° 8596 6461 4493 3103 2323
09-26 48° 60° 8628 6483 4505 3107 2323
09-27 43° 60° 8657 6503 4514 3109 2323
09-28 45° 60° 8687 6523 4524 3111 2323
09-29 36° 65° 8716 6542 4533 3112 2323
09-30 40° 66° 8748 6563 4544 3115 2323
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!
 

 

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