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MSU Proxy/Primo Seedhead Timer (GDD 32)
through Fri, Jun. 23. 2017

 
  

Bellbrook, OH

       

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Tabular Data

Daily GDD accumulation for various base temperature models in 2016 & 2017

2017Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
02-19 40° 56° 122 65 25 2 0
02-20 36° 65° 151 83 33 3 0
02-21 47° 66° 185 108 48 9 2
02-22 53° 61° 220 133 63 16 4
02-23 55° 69° 260 163 83 28 10
02-24 58° 76° 305 197 107 45 22
02-25 29° 53° 324 207 107 45 22
02-26 25° 44° 337 210 107 45 22
02-27 37° 46° 356 219 107 45 22
02-28 41° 60° 385 238 116 45 22
02-29 n/a n/a n/a n/a n/a n/a n/a
03-01 38° 61° 412 255 123 45 22
2017Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
03-02 32° 39° 426 259 123 45 22
03-03 27° 34° 435 259 123 45 22
03-04 24° 36° 443 259 123 45 22
03-05 24° 61° 463 269 124 45 22
03-06 49° 55° 493 290 134 47 22
03-07 42° 57° 521 307 141 47 22
03-08 39° 57° 547 323 147 47 22
03-09 35° 65° 575 341 155 47 22
03-10 28° 39° 586 342 155 47 22
03-11 24° 27° 589 342 155 47 22
03-12 20° 34° 594 342 155 47 22
03-13 26° 39° 605 343 155 47 22
2017Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
03-14 16° 27° 605 343 155 47 22
03-15 15° 30° 606 343 155 47 22
03-16 16° 40° 612 343 155 47 22
03-17 25° 36° 620 343 155 47 22
03-18 37° 43° 638 351 155 47 22
03-19 34° 44° 655 358 155 47 22
03-20 33° 54° 677 370 157 47 22
03-21 41° 55° 703 386 163 47 22
03-22 26° 38° 713 386 163 47 22
03-23 25° 55° 731 394 163 47 22
03-24 50° 73° 770 423 183 59 29
03-25 59° 74° 815 457 207 75 40
2017Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
03-26 55° 64° 852 485 225 85 44
03-27 48° 65° 887 510 239 91 46
03-28 50° 58° 919 532 252 96 46
03-29 40° 59° 947 549 259 96 46
03-30 47° 78° 987 580 280 108 54
03-31 44° 57° 1016 598 288 108 54
04-01 39° 46° 1036 609 288 108 54
04-02 33° 61° 1061 624 293 108 54
04-03 51° 66° 1097 650 310 117 57
04-04 50° 61° 1131 674 323 122 57
04-05 41° 75° 1167 700 339 130 61
04-06 38° 53° 1191 713 343 130 61
2017Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
04-07 35° 53° 1212 725 345 130 61
04-08 30° 61° 1236 739 348 130 61
04-09 44° 75° 1273 766 365 140 65
04-10 61° 77° 1320 803 392 159 79
04-11 54° 67° 1358 831 411 169 84
04-12 42° 66° 1391 853 423 173 84
04-13 46° 71° 1427 879 439 181 87
04-14 51° 79° 1469 912 462 196 97
04-15 60° 81° 1518 951 490 216 112
04-16 63° 78° 1566 989 519 237 128
04-17 54° 69° 1606 1019 538 248 134
04-18 46° 76° 1645 1048 557 259 140
2017Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
04-19 63° 79° 1694 1086 586 280 156
04-20 61° 80° 1742 1125 615 301 172
04-21 50° 65° 1778 1151 630 309 175
04-22 44° 54° 1805 1168 638 309 175
04-23 39° 66° 1836 1189 648 311 175
04-24 44° 73° 1872 1215 664 319 178
04-25 51° 76° 1913 1246 686 333 186
04-26 55° 81° 1960 1282 712 351 199
04-27 52° 70° 1999 1311 731 362 205
04-28 43° 70° 2033 1336 746 368 207
04-29 58° 77° 2078 1371 771 386 219
04-30 57° 80° 2125 1408 797 404 233
2017Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
05-01 51° 72° 2164 1437 817 416 239
05-02 46° 63° 2197 1460 829 420 239
05-03 41° 56° 2223 1476 836 420 239
05-04 49° 59° 2255 1498 847 424 239
05-05 44° 55° 2283 1515 855 424 239
05-06 40° 59° 2311 1533 863 424 239
05-07 38° 59° 2337 1550 869 424 239
05-08 33° 61° 2362 1565 875 424 239
05-09 49° 57° 2393 1586 886 427 239
05-10 53° 75° 2436 1619 908 441 249
05-11 54° 68° 2475 1648 927 453 255
05-12 50° 65° 2510 1673 943 460 257
2017Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
05-13 43° 72° 2546 1699 958 468 260
05-14 54° 80° 2591 1734 984 485 272
05-15 52° 78° 2634 1767 1007 500 282
05-16 60° 74° 2679 1802 1031 517 294
05-17 65° 83° 2731 1844 1063 541 313
05-18 68° 81° 2784 1887 1096 565 333
05-19 62° 82° 2834 1927 1126 587 350
05-20 55° 77° 2878 1961 1150 604 361
05-21 65° 76° 2926 1999 1178 624 376
05-22 50° 69° 2964 2026 1196 633 380
05-23 49° 74° 3003 2056 1216 645 387
05-24 61° 72° 3048 2090 1240 661 398
2017Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
05-25 58° 67° 3088 2121 1260 674 406
05-26 55° 78° 3132 2155 1285 690 417
05-27 64° 81° 3183 2196 1315 713 435
05-28 64° 76° 3231 2234 1343 732 450
05-29 60° 79° 3278 2271 1370 752 464
05-30 57° 78° 3323 2306 1396 769 476
05-31 56° 78° 3368 2341 1421 786 488
06-01 55° 77° 3412 2375 1445 802 499
06-02 55° 81° 3458 2411 1470 820 512
06-03 54° 85° 3505 2448 1498 839 526
06-04 61° 86° 3557 2490 1529 863 545
06-05 65° 83° 3609 2532 1561 887 564
2017Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
06-06 53° 74° 3651 2563 1583 900 572
06-07 54° 62° 3687 2589 1599 908 575
06-08 50° 74° 3727 2619 1619 920 582
06-09 52° 81° 3771 2654 1643 937 594
06-10 63° 83° 3822 2695 1674 960 612
06-11 63° 86° 3875 2737 1707 984 631
06-12 66° 89° 3930 2783 1743 1012 654
06-13 70° 81° 3984 2827 1776 1038 675
06-14 67° 76° 4034 2866 1806 1059 691
06-15 67° 82° 4086 2909 1839 1084 711
06-16 68° 87° 4142 2955 1874 1112 734
06-17 67° 86° 4196 2999 1909 1138 755
2017Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
06-18 69° 83° 4250 3043 1942 1164 776
06-19 65° 78° 4300 3083 1972 1185 793
06-20 59° 76° 4345 3118 1998 1203 805
06-21 62° 87° 4398 3161 2030 1228 825
06-22 71° 81° 4452 3205 2065 1254 846
06-23 67° 74° 0 0 0 0 0
06-24 61° 78° 4552 3285 2124 1298 880
06-25 55° 75° 4595 3318 2147 1313 890
06-26 55° 73° 4637 3350 2169 1327 899
06-27 53° 75° 4679 3382 2191 1341 908
06-28 55° 80° 4724 3417 2217 1358 920
06-29 61° 81° 4774 3456 2246 1379 936
2017Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
2016Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
02-19 35° 62° 60 17 7 0 0
02-20 47° 71° 97 44 23 9 4
02-21 36° 57° 122 58 28 9 4
02-22 28° 50° 139 65 28 9 4
02-23 27° 56° 158 75 28 9 4
02-24 34° 56° 181 88 31 9 4
02-25 30° 34° 191 88 31 9 4
02-26 29° 34° 201 88 31 9 4
02-27 26° 48° 216 93 31 9 4
02-28 37° 65° 245 112 40 10 4
02-29 36° 56° 269 126 44 10 4
03-01 33° 52° 290 137 44 10 4
2016Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
03-02 24° 35° 297 137 44 10 4
03-03 25° 33° 304 137 44 10 4
03-04 32° 35° 316 139 44 10 4
03-05 31° 39° 329 142 44 10 4
03-06 32° 49° 348 151 44 10 4
03-07 38° 64° 377 169 53 11 4
03-08 45° 74° 414 197 71 21 8
03-09 51° 73° 454 227 91 33 16
03-10 51° 61° 488 251 105 38 16
03-11 42° 56° 515 268 112 38 16
03-12 41° 64° 546 288 122 41 16
03-13 52° 59° 579 312 136 47 17
2016Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
03-14 55° 66° 618 341 155 57 23
03-15 55° 71° 659 371 175 70 30
03-16 50° 64° 693 396 190 77 32
03-17 41° 60° 722 415 199 77 32
03-18 35° 58° 746 429 203 77 32
03-19 31° 44° 762 435 203 77 32
03-20 27° 44° 775 438 203 77 32
03-21 28° 50° 792 445 203 77 32
03-22 33° 64° 819 462 210 77 32
03-23 50° 63° 853 486 224 84 34
03-24 51° 69° 891 514 242 94 38
03-25 35° 49° 911 524 242 94 38
2016Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
03-26 30° 61° 934 537 245 94 38
03-27 36° 74° 968 560 259 99 39
03-28 44° 58° 996 579 267 100 39
03-29 33° 55° 1018 591 269 100 39
03-30 36° 71° 1050 612 281 103 39
03-31 54° 67° 1088 641 299 113 44
04-01 45° 60° 1119 661 310 116 44
04-02 32° 51° 1138 671 310 116 44
04-03 27° 57° 1158 681 310 116 44
04-04 32° 56° 1180 692 311 116 44
04-05 28° 44° 1194 696 311 116 44
04-06 33° 64° 1220 713 318 116 44
2016Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
04-07 35° 47° 1239 722 318 116 44
04-08 30° 42° 1253 726 318 116 44
04-09 28° 36° 1263 726 318 116 44
04-10 28° 57° 1283 736 318 116 44
04-11 46° 58° 1314 756 329 118 44
04-12 32° 51° 1333 766 329 118 44
04-13 33° 57° 1356 779 331 118 44
04-14 33° 67° 1383 796 339 118 44
04-15 38° 75° 1418 821 353 124 45
04-16 45° 77° 1457 849 372 135 51
04-17 42° 80° 1496 879 391 146 57
04-18 43° 82° 1536 909 412 159 65
2016Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
04-19 47° 78° 1577 940 433 172 72
04-20 48° 80° 1619 971 454 185 81
04-21 58° 70° 1660 1003 476 199 89
04-22 56° 67° 1700 1033 495 210 96
04-23 46° 61° 1731 1054 507 214 96
04-24 39° 73° 1765 1078 521 220 97
04-25 49° 81° 1808 1111 544 235 107
04-26 55° 76° 1852 1145 567 250 118
04-27 46° 61° 1883 1166 579 254 118
04-28 54° 69° 1922 1195 598 265 124
04-29 52° 62° 1957 1220 613 272 126
04-30 48° 57° 1988 1241 624 275 126
2016Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
05-01 58° 77° 2033 1276 649 292 138
05-02 54° 62° 2069 1302 665 300 141
05-03 50° 58° 2101 1324 676 303 141
05-04 45° 59° 2131 1344 686 305 141
05-05 40° 60° 2159 1362 695 306 141
05-06 43° 70° 2194 1386 709 312 142
05-07 46° 76° 2233 1416 728 323 148
05-08 42° 63° 2263 1436 739 326 148
05-09 48° 60° 2296 1458 751 330 148
05-10 54° 71° 2336 1489 772 343 156
05-11 58° 77° 2382 1525 797 360 168
05-12 60° 77° 2428 1561 824 379 182
2016Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
05-13 52° 68° 2466 1589 842 389 187
05-14 44° 55° 2493 1606 849 389 187
05-15 41° 56° 2520 1623 856 389 187
05-16 31° 63° 2545 1638 861 389 187
05-17 51° 58° 2578 1661 873 393 187
05-18 51° 67° 2615 1688 890 402 191
05-19 42° 71° 2649 1712 905 408 192
05-20 50° 72° 2688 1741 923 419 198
05-21 51° 63° 2723 1766 938 426 200
05-22 44° 76° 2761 1794 956 436 205
05-23 42° 76° 2798 1821 974 445 209
05-24 49° 81° 2841 1854 997 460 219
2016Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
05-25 57° 82° 2889 1892 1024 480 234
05-26 65° 79° 2939 1932 1055 502 251
05-27 62° 87° 2992 1975 1087 527 271
05-28 68° 82° 3045 2017 1120 552 291
05-29 66° 86° 3098 2061 1154 577 311
05-30 63° 86° 3151 2104 1186 602 331
05-31 60° 86° 3202 2144 1217 625 349
06-01 64° 88° 3255 2188 1251 650 369
06-02 65° 79° 3306 2228 1281 673 387
06-03 66° 84° 3359 2272 1314 698 407
06-04 67° 79° 3410 2313 1346 721 425
06-05 66° 78° 3460 2353 1375 743 442
2016Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
06-06 64° 85° 3512 2395 1408 767 461
06-07 58° 72° 3556 2429 1431 783 472
06-08 52° 75° 3597 2460 1453 796 480
06-09 47° 80° 3638 2491 1474 809 488
06-10 60° 78° 3686 2529 1501 829 503
06-11 66° 92° 3743 2575 1538 858 527
06-12 64° 90° 3798 2621 1573 885 549
06-13 52° 83° 3843 2656 1599 902 561
06-14 61° 84° 3894 2696 1629 925 579
06-15 65° 90° 3949 2742 1664 952 601
06-16 66° 84° 4002 2785 1697 977 621
06-17 65° 86° 4055 2828 1731 1003 641
2016Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
06-18 60° 87° 4107 2870 1763 1026 660
06-19 61° 88° 4160 2912 1795 1051 680
06-20 70° 88° 4217 2959 1832 1080 704
06-21 70° 88° 4273 3006 1869 1109 727
06-22 59° 76° 4319 3042 1894 1126 740
06-23 69° 87° 4375 3088 1930 1154 763
06-24 66° 83° 4427 3130 1963 1178 782
06-25 57° 86° 4477 3170 1992 1200 799
06-26 68° 91° 4534 3217 2030 1229 823
06-27 72° 90° 4593 3266 2069 1260 849
06-28 63° 82° 4643 3306 2099 1282 866
06-29 56° 79° 4688 3341 2124 1299 878
2016Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
06-30 51° 80° 4732 3375 2147 1315 889
07-01 63° 81° 4782 3415 2177 1337 906
07-02 53° 77° 4825 3448 2200 1352 916
07-03 61° 67° 4867 3480 2222 1366 925
07-04 61° 75° 4913 3516 2249 1384 938
07-05 69° 83° 4967 3560 2282 1410 959
07-06 65° 86° 5020 3603 2316 1435 979
07-07 70° 85° 5076 3649 2351 1463 1002
07-08 71° 84° 5131 3694 2387 1490 1024
07-09 66° 82° 5183 3736 2419 1515 1043
07-10 59° 84° 5233 3776 2449 1536 1060
07-11 60° 88° 5285 3818 2481 1560 1079
2016Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
07-12 66° 85° 5339 3862 2514 1586 1100
07-13 70° 89° 5396 3909 2552 1615 1124
07-14 66° 86° 5450 3953 2586 1641 1145
07-15 69° 87° 5507 4000 2622 1670 1169
07-16 65° 82° 5558 4041 2654 1693 1187
07-17 58° 88° 5609 4082 2685 1716 1205
07-18 68° 86° 5664 4127 2720 1743 1227
07-19 68° 87° 5720 4173 2755 1771 1250
07-20 64° 89° 5774 4217 2790 1797 1271
07-21 66° 91° 5831 4264 2826 1826 1295
07-22 69° 82° 5885 4308 2860 1852 1316
07-23 74° 91° 5945 4358 2901 1884 1343
2016Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
07-24 72° 92° 6005 4408 2941 1916 1370
07-25 76° 92° 6067 4460 2983 1951 1399
07-26 74° 84° 6125 4507 3020 1980 1424
07-27 70° 90° 6183 4555 3058 2010 1449
07-28 71° 83° 6238 4601 3093 2037 1471
07-29 68° 85° 6292 4645 3128 2063 1492
07-30 69° 86° 6348 4691 3163 2091 1515
07-31 67° 86° 6403 4736 3198 2118 1537
08-01 66° 84° 6456 4779 3232 2143 1557
08-02 67° 88° 6511 4824 3267 2170 1579
08-03 66° 89° 6567 4870 3302 2198 1602
08-04 68° 88° 6623 4916 3339 2226 1625
2016Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
08-05 70° 91° 6682 4965 3378 2257 1651
08-06 66° 86° 6736 5009 3412 2283 1672
08-07 60° 86° 6787 5050 3443 2306 1690
08-08 63° 87° 6840 5093 3476 2331 1710
08-09 68° 90° 6897 5139 3512 2360 1734
08-10 73° 86° 6954 5187 3550 2389 1758
08-11 72° 91° 7014 5237 3589 2421 1785
08-12 74° 90° 7074 5287 3630 2453 1812
08-13 75° 85° 7132 5335 3667 2483 1837
08-14 71° 79° 7185 5378 3701 2508 1857
08-15 70° 82° 7239 5422 3734 2534 1878
08-16 71° 81° 7293 5466 3769 2560 1899
2016Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
08-17 70° 81° 7347 5510 3803 2586 1920
08-18 67° 85° 7401 5554 3837 2612 1941
08-19 69° 84° 7456 5599 3872 2639 1963
08-20 68° 81° 7509 5642 3904 2664 1983
08-21 63° 79° 7558 5681 3933 2685 1999
08-22 55° 78° 7602 5715 3958 2701 2010
08-23 54° 60° 7637 5740 3973 2708 2012
08-24 74° 81° 7692 5785 4008 2735 2034
08-25 74° 89° 7752 5835 4047 2767 2061
08-26 71° 87° 7809 5882 4085 2796 2085
08-27 71° 87° 7866 5929 4122 2825 2109
08-28 67° 90° 7923 5976 4158 2854 2133
2016Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
08-29 67° 87° 7978 6021 4194 2881 2155
08-30 65° 87° 8032 6065 4228 2907 2176
08-31 68° 83° 8086 6109 4261 2933 2197
09-01 63° 74° 8132 6145 4288 2952 2210
09-02 57° 76° 8177 6180 4312 2968 2222
09-03 55° 78° 8221 6214 4337 2985 2233
09-04 55° 81° 8268 6251 4363 3003 2247
09-05 57° 87° 8318 6291 4393 3025 2264
09-06 66° 89° 8373 6336 4428 3052 2286
09-07 69° 88° 8429 6382 4465 3081 2309
09-08 72° 90° 8489 6432 4504 3112 2336
09-09 70° 84° 8544 6477 4540 3139 2358
2016Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
09-10 66° 86° 8598 6521 4574 3165 2379
09-11 56° 74° 8641 6554 4597 3180 2389
09-12 54° 78° 8685 6588 4621 3196 2400
09-13 53° 81° 8730 6623 4646 3213 2412
09-14 58° 81° 8778 6661 4674 3233 2427
09-15 59° 76° 8824 6696 4699 3251 2440
09-16 58° 85° 8873 6736 4729 3272 2456
09-17 69° 78° 8924 6777 4760 3296 2474
09-18 68° 82° 8977 6820 4793 3320 2494
09-19 60° 83° 9027 6860 4822 3342 2511
09-20 56° 86° 9076 6899 4852 3363 2527
09-21 58° 86° 9126 6939 4882 3385 2544
2016Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
09-22 58° 76° 9171 6974 4907 3402 2556
09-23 62° 87° 9224 7017 4939 3427 2576
09-24 67° 79° 9275 7057 4970 3450 2594
09-25 57° 82° 9322 7095 4998 3469 2608
09-26 61° 67° 9364 7127 5019 3483 2617
09-27 48° 73° 9402 7155 5038 3494 2622
09-28 54° 58° 9437 7180 5052 3500 2624
09-29 53° 63° 9473 7206 5068 3508 2627
09-30 56° 63° 9510 7233 5086 3517 2631

 

Latest Updates

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.