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Crabgrass Germination Prediction (GDD 50)
through Fri, Jun. 23. 2017

 

GDD Total: 0 (Base 50) through Fri, Jun. 23, 2017

  

Kalamazoo, MI

       

Forecast »

Done

1401

Late

601

Germination

200

Early

100

Under

0

 

Generously Supported By:



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 33° 63° 104 54 18 2 0
02-20 36° 63° 131 71 25 2 0
02-21 47° 60° 163 93 37 6 0
02-22 44° 62° 194 114 48 8 0
02-23 46° 59° 224 135 58 11 0
02-24 38° 61° 252 152 66 11 0
02-25 19° 37° 258 152 66 11 0
02-26 18° 43° 267 152 66 11 0
02-27 31° 50° 285 161 66 11 0
02-28 41° 56° 312 177 72 11 0
02-29 n/a n/a n/a n/a n/a n/a n/a
03-01 28° 55° 332 187 72 11 0
2017Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
03-02 23° 31° 337 187 72 11 0
03-03 19° 26° 337 187 72 11 0
03-04 20° 33° 341 187 72 11 0
03-05 24° 51° 357 192 72 11 0
03-06 50° 57° 388 214 84 14 0
03-07 41° 59° 416 231 92 14 0
03-08 39° 49° 438 243 94 14 0
03-09 31° 39° 451 246 94 14 0
03-10 17° 31° 453 246 94 14 0
03-11 18° 21° 453 246 94 14 0
03-12 15° 30° 453 246 94 14 0
03-13 21° 28° 456 246 94 14 0
2017Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
03-14 14° 23° 456 246 94 14 0
03-15 13° 27° 456 246 94 14 0
03-16 19° 39° 463 246 94 14 0
03-17 25° 34° 471 246 94 14 0
03-18 34° 38° 485 251 94 14 0
03-19 34° 44° 502 258 94 14 0
03-20 36° 50° 523 269 95 14 0
03-21 32° 50° 542 278 95 14 0
03-22 19° 35° 547 278 95 14 0
03-23 23° 45° 559 280 95 14 0
03-24 40° 79° 596 307 112 24 4
03-25 42° 58° 624 325 120 24 4
2017Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
03-26 42° 58° 652 343 128 24 4
03-27 47° 54° 681 362 137 24 4
03-28 39° 47° 702 373 138 24 4
03-29 31° 54° 723 384 138 24 4
03-30 39° 44° 742 393 138 24 4
03-31 37° 40° 759 400 138 24 4
04-01 31° 56° 781 411 140 24 4
04-02 32° 56° 803 423 142 24 4
04-03 47° 53° 830 441 150 24 4
04-04 39° 55° 856 456 155 24 4
04-05 35° 45° 873 464 155 24 4
04-06 33° 39° 888 468 155 24 4
2017Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
04-07 34° 50° 907 478 155 24 4
04-08 29° 63° 931 492 159 24 4
04-09 48° 75° 971 522 179 36 11
04-10 60° 74° 1016 557 204 53 23
04-11 42° 58° 1044 575 212 53 23
04-12 37° 57° 1070 590 217 53 23
04-13 44° 54° 1097 608 225 53 23
04-14 42° 67° 1129 630 237 58 23
04-15 54° 82° 1175 666 262 75 36
04-16 54° 71° 1215 696 283 88 43
04-17 41° 68° 1248 719 296 93 43
04-18 47° 73° 1286 747 314 103 48
2017Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
04-19 54° 70° 1326 777 334 115 55
04-20 52° 71° 1366 807 353 126 62
04-21 43° 52° 1391 822 359 126 62
04-22 37° 62° 1418 839 366 126 62
04-23 35° 69° 1449 859 376 128 62
04-24 41° 72° 1483 884 391 135 63
04-25 52° 74° 1524 915 411 148 71
04-26 61° 84° 1574 955 442 170 89
04-27 48° 65° 1609 979 456 177 90
04-28 41° 63° 1639 999 466 179 90
04-29 47° 55° 1667 1018 475 179 90
04-30 42° 63° 1698 1038 485 182 90
2017Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
05-01 49° 62° 1731 1062 499 187 90
05-02 41° 48° 1753 1074 501 187 90
05-03 33° 58° 1777 1088 505 187 90
05-04 44° 49° 1801 1102 509 187 90
05-05 42° 60° 1830 1121 518 188 90
05-06 39° 58° 1857 1138 525 188 90
05-07 35° 51° 1878 1149 526 188 90
05-08 28° 57° 1899 1159 526 188 90
05-09 35° 64° 1926 1176 533 188 90
05-10 49° 71° 1963 1204 551 197 95
05-11 45° 68° 1998 1228 565 204 96
05-12 45° 71° 2034 1254 581 212 99
2017Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
05-13 44° 73° 2070 1281 598 220 103
05-14 52° 75° 2111 1312 619 233 111
05-15 50° 76° 2153 1343 640 247 119
05-16 61° 78° 2200 1381 668 266 134
05-17 70° 85° 2256 1427 704 294 157
05-18 59° 85° 2306 1467 734 316 174
05-19 45° 58° 2335 1486 743 317 174
05-20 46° 61° 2367 1508 754 321 174
05-21 54° 70° 2407 1538 775 333 181
05-22 50° 71° 2446 1566 793 343 186
05-23 58° 66° 2485 1596 813 355 193
05-24 57° 73° 2528 1629 836 370 203
2017Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
05-25 56° 63° 2565 1656 853 379 207
05-26 51° 72° 2605 1685 872 391 214
05-27 58° 75° 2649 1720 897 407 225
05-28 57° 79° 2695 1756 923 425 238
05-29 54° 77° 2739 1790 946 441 249
05-30 49° 69° 2776 1817 964 450 253
05-31 50° 72° 2815 1846 983 461 259
06-01 50° 74° 2855 1876 1003 473 266
06-02 50° 80° 2898 1909 1026 488 276
06-03 51° 82° 2943 1944 1051 505 288
06-04 66° 86° 2997 1988 1085 531 309
06-05 57° 72° 3040 2020 1107 546 318
2017Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
06-06 48° 77° 3080 2051 1128 558 326
06-07 49° 76° 3121 2081 1148 571 334
06-08 48° 79° 3162 2113 1170 584 342
06-09 58° 83° 3211 2152 1199 605 358
06-10 62° 88° 3264 2195 1231 630 378
06-11 69° 91° 3321 2242 1269 659 402
06-12 71° 92° 3381 2292 1308 691 429
06-13 70° 90° 3439 2339 1346 721 454
06-14 69° 90° 3496 2387 1384 750 478
06-15 67° 87° 3551 2432 1419 777 500
06-16 66° 83° 3604 2474 1451 801 519
06-17 69° 89° 3661 2521 1488 831 543
2017Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
06-18 67° 79° 3711 2562 1519 853 561
06-19 59° 75° 3756 2597 1544 870 573
06-20 57° 72° 3799 2630 1567 885 583
06-21 52° 77° 3841 2662 1589 899 592
06-22 65° 84° 3894 2705 1622 924 612
06-23 64° 75° 0 0 0 0 0
06-24 58° 71° 3988 2778 1675 961 639
06-25 54° 70° 4027 2808 1695 973 646
06-26 52° 68° 4065 2836 1713 983 651
06-27 52° 74° 4106 2867 1734 996 659
06-28 54° 77° 4150 2901 1758 1012 670
06-29 60° 79° 4198 2938 1785 1032 685
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 36° 59° 32 15 5 0 0
02-20 38° 54° 56 29 9 0 0
02-21 31° 44° 71 35 9 0 0
02-22 20° 40° 80 35 9 0 0
02-23 21° 46° 91 36 9 0 0
02-24 30° 34° 101 36 9 0 0
02-25 25° 33° 108 36 9 0 0
02-26 23° 32° 113 36 9 0 0
02-27 22° 41° 122 36 9 0 0
02-28 36° 59° 148 52 15 0 0
02-29 26° 46° 162 56 15 0 0
03-01 24° 27° 165 56 15 0 0
2016Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
03-02 28° 165 56 15 0 0
03-03 29° 165 56 15 0 0
03-04 32° 165 56 15 0 0
03-05 26° 35° 173 56 15 0 0
03-06 26° 40° 184 56 15 0 0
03-07 39° 60° 212 74 22 0 0
03-08 51° 71° 250 103 41 11 6
03-09 57° 67° 290 132 61 23 13
03-10 38° 58° 316 149 67 23 13
03-11 31° 57° 338 161 69 23 13
03-12 32° 59° 362 174 73 23 13
03-13 46° 51° 388 191 79 23 13
2016Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
03-14 43° 52° 414 206 85 23 13
03-15 33° 66° 442 224 92 23 13
03-16 48° 57° 472 245 103 25 13
03-17 39° 53° 496 259 107 25 13
03-18 30° 49° 514 266 107 25 13
03-19 30° 44° 529 271 107 25 13
03-20 24° 45° 542 274 107 25 13
03-21 26° 47° 556 279 107 25 13
03-22 33° 64° 583 295 114 25 13
03-23 38° 51° 605 308 116 25 13
03-24 36° 58° 630 323 121 25 13
03-25 29° 45° 645 327 121 25 13
2016Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
03-26 26° 55° 664 336 121 25 13
03-27 34° 69° 694 356 131 27 13
03-28 33° 45° 710 363 131 27 13
03-29 25° 56° 729 371 131 27 13
03-30 38° 62° 757 389 139 27 13
03-31 49° 63° 790 413 153 33 13
04-01 36° 50° 811 424 154 33 13
04-02 29° 39° 823 426 154 33 13
04-03 26° 58° 843 436 154 33 13
04-04 29° 53° 862 444 154 33 13
04-05 22° 43° 873 445 154 33 13
04-06 37° 48° 893 455 154 33 13
2016Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
04-07 33° 41° 908 461 154 33 13
04-08 28° 38° 919 462 154 33 13
04-09 21° 34° 925 462 154 33 13
04-10 22° 47° 937 464 154 33 13
04-11 35° 52° 958 475 155 33 13
04-12 27° 49° 975 481 155 33 13
04-13 30° 55° 995 492 156 33 13
04-14 32° 64° 1021 508 162 33 13
04-15 36° 72° 1053 530 174 37 13
04-16 43° 79° 1092 559 193 48 19
04-17 41° 80° 1131 587 211 58 25
04-18 46° 83° 1173 620 234 73 34
2016Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
04-19 52° 64° 1209 646 250 81 37
04-20 49° 72° 1248 674 268 92 43
04-21 49° 64° 1282 699 283 98 45
04-22 51° 59° 1315 722 296 103 45
04-23 38° 61° 1343 740 304 103 45
04-24 39° 72° 1377 763 317 109 45
04-25 50° 78° 1419 796 340 123 55
04-26 42° 64° 1450 817 351 126 55
04-27 41° 62° 1479 836 360 128 55
04-28 38° 51° 1502 849 363 128 55
04-29 45° 53° 1529 866 370 128 55
04-30 47° 55° 1558 885 379 128 55
2016Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
05-01 47° 54° 1587 903 387 129 55
05-02 43° 53° 1613 920 394 129 55
05-03 40° 65° 1644 940 404 132 55
05-04 41° 56° 1671 957 411 132 55
05-05 44° 66° 1704 980 424 137 55
05-06 38° 75° 1738 1005 439 143 56
05-07 51° 74° 1778 1035 459 155 63
05-08 41° 69° 1811 1058 472 160 63
05-09 40° 61° 1840 1076 480 161 63
05-10 49° 55° 1870 1097 491 163 63
05-11 51° 70° 1909 1125 509 174 69
05-12 58° 74° 1952 1159 533 190 80
2016Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
05-13 50° 66° 1988 1185 549 197 82
05-14 39° 52° 2012 1198 552 197 82
05-15 36° 49° 2032 1209 553 197 82
05-16 38° 68° 2063 1230 564 201 82
05-17 52° 61° 2098 1255 579 207 84
05-18 43° 67° 2131 1278 592 212 84
05-19 36° 72° 2163 1300 604 216 84
05-20 42° 73° 2198 1325 619 223 86
05-21 47° 76° 2238 1355 639 235 93
05-22 47° 77° 2278 1384 658 247 100
05-23 40° 80° 2316 1413 677 257 105
05-24 48° 87° 2361 1448 702 274 117
2016Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
05-25 64° 87° 2415 1491 735 300 138
05-26 64° 87° 2468 1535 769 325 158
05-27 64° 85° 2521 1578 802 350 178
05-28 68° 85° 2576 1623 837 377 200
05-29 64° 83° 2627 1664 868 400 218
05-30 59° 85° 2677 1704 898 422 235
05-31 55° 86° 2726 1743 927 443 251
06-01 63° 78° 2774 1781 955 464 267
06-02 58° 81° 2822 1819 983 483 281
06-03 48° 83° 2866 1852 1006 499 292
06-04 59° 82° 2914 1891 1035 519 307
06-05 64° 73° 2960 1927 1061 538 321
2016Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
06-06 53° 82° 3006 1963 1087 555 333
06-07 52° 63° 3041 1988 1102 562 335
06-08 43° 69° 3075 2012 1116 568 336
06-09 40° 77° 3112 2039 1133 577 340
06-10 62° 90° 3166 2083 1167 603 361
06-11 71° 92° 3226 2132 1206 635 388
06-12 56° 81° 3272 2169 1233 653 401
06-13 47° 81° 3315 2201 1255 668 411
06-14 62° 81° 3364 2241 1285 689 427
06-15 62° 89° 3418 2285 1319 715 448
06-16 61° 75° 3464 2321 1345 733 461
06-17 56° 88° 3514 2361 1375 755 478
2016Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
06-18 54° 90° 3564 2401 1405 777 495
06-19 59° 92° 3617 2444 1438 803 516
06-20 70° 90° 3676 2492 1476 833 541
06-21 57° 81° 3723 2530 1504 852 555
06-22 59° 83° 3772 2569 1533 873 571
06-23 67° 80° 3823 2610 1564 896 589
06-24 61° 85° 3874 2651 1595 919 607
06-25 59° 88° 3925 2692 1626 942 625
06-26 70° 84° 3981 2737 1661 970 648
06-27 65° 90° 4036 2783 1697 997 670
06-28 56° 69° 4077 2814 1718 1010 678
06-29 47° 79° 4118 2845 1739 1023 686
2016Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
06-30 46° 81° 4160 2877 1761 1037 695
07-01 56° 74° 4203 2910 1784 1052 705
07-02 49° 77° 4244 2941 1805 1065 713
07-03 49° 80° 4286 2973 1827 1080 723
07-04 57° 80° 4333 3010 1854 1098 736
07-05 65° 86° 4386 3053 1887 1123 756
07-06 67° 90° 4443 3100 1924 1152 780
07-07 65° 88° 4497 3144 1958 1178 801
07-08 67° 86° 4552 3189 1993 1205 823
07-09 64° 76° 4600 3226 2020 1225 838
07-10 54° 84° 4647 3263 2047 1244 852
07-11 63° 88° 4700 3307 2081 1269 872
2016Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
07-12 69° 93° 4759 3356 2120 1300 898
07-13 69° 89° 4816 3403 2157 1329 922
07-14 68° 89° 4872 3449 2193 1358 946
07-15 62° 78° 4920 3487 2221 1377 960
07-16 59° 80° 4967 3524 2248 1397 975
07-17 53° 87° 5015 3562 2276 1416 989
07-18 67° 86° 5070 3607 2311 1443 1011
07-19 58° 88° 5121 3647 2341 1466 1029
07-20 61° 91° 5175 3691 2375 1492 1050
07-21 70° 90° 5233 3739 2413 1522 1075
07-22 72° 90° 5291 3788 2452 1552 1100
07-23 68° 95° 5351 3838 2492 1584 1127
2016Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
07-24 69° 89° 5408 3885 2529 1613 1151
07-25 68° 88° 5464 3931 2565 1641 1174
07-26 60° 86° 5515 3972 2596 1664 1192
07-27 60° 89° 5567 4014 2628 1689 1212
07-28 63° 86° 5620 4056 2660 1713 1231
07-29 67° 78° 5670 4097 2691 1735 1248
07-30 63° 74° 5717 4134 2718 1754 1262
07-31 65° 82° 5768 4175 2749 1777 1280
08-01 59° 84° 5818 4214 2778 1799 1297
08-02 59° 88° 5869 4256 2810 1822 1315
08-03 61° 91° 5923 4300 2844 1848 1336
08-04 64° 93° 5980 4347 2881 1877 1360
2016Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
08-05 67° 86° 6035 4391 2915 1904 1382
08-06 59° 84° 6084 4431 2945 1925 1398
08-07 57° 84° 6132 4469 2973 1945 1413
08-08 58° 85° 6182 4509 3003 1967 1430
08-09 57° 90° 6233 4550 3034 1990 1448
08-10 60° 92° 6288 4594 3068 2017 1470
08-11 73° 96° 6350 4646 3110 2051 1499
08-12 76° 91° 6411 4698 3152 2084 1527
08-13 69° 83° 6465 4742 3186 2110 1548
08-14 66° 83° 6518 4785 3219 2135 1568
08-15 64° 80° 6568 4824 3248 2157 1585
08-16 68° 81° 6620 4867 3281 2181 1604
2016Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
08-17 66° 82° 6672 4909 3313 2205 1623
08-18 61° 81° 6721 4948 3342 2226 1639
08-19 68° 79° 6772 4989 3373 2250 1658
08-20 67° 79° 6824 5030 3404 2273 1676
08-21 60° 71° 6867 5064 3428 2288 1686
08-22 51° 75° 6908 5095 3449 2301 1694
08-23 56° 59° 6944 5121 3465 2309 1697
08-24 74° 80° 6999 5166 3500 2336 1719
08-25 67° 79° 7050 5207 3531 2359 1737
08-26 60° 81° 7098 5245 3559 2379 1752
08-27 66° 68° 7143 5280 3584 2396 1764
08-28 70° 84° 7198 5325 3619 2423 1786
2016Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
08-29 65° 86° 7252 5369 3653 2449 1807
08-30 70° 80° 7305 5412 3686 2474 1827
08-31 64° 77° 7353 5450 3714 2494 1842
09-01 55° 72° 7395 5482 3736 2508 1851
09-02 53° 74° 7436 5513 3757 2521 1859
09-03 51° 76° 7477 5544 3778 2535 1868
09-04 52° 79° 7521 5578 3802 2550 1878
09-05 59° 86° 7571 5618 3832 2572 1895
09-06 71° 90° 7630 5666 3870 2603 1921
09-07 75° 89° 7690 5717 3911 2635 1948
09-08 69° 79° 7742 5759 3943 2659 1967
09-09 64° 81° 7792 5799 3973 2682 1985
2016Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
09-10 61° 72° 7837 5834 3998 2698 1996
09-11 52° 72° 7877 5864 4018 2710 2003
09-12 52° 76° 7919 5896 4040 2724 2012
09-13 55° 83° 7966 5933 4067 2743 2026
09-14 58° 73° 8010 5967 4091 2759 2037
09-15 55° 74° 8052 5999 4113 2773 2046
09-16 56° 83° 8099 6036 4140 2792 2060
09-17 66° 77° 8149 6075 4169 2814 2077
09-18 57° 77° 8194 6111 4195 2831 2089
09-19 52° 83° 8240 6146 4220 2849 2102
09-20 60° 81° 8288 6185 4249 2870 2118
09-21 59° 82° 8337 6224 4278 2890 2133
2016Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
09-22 61° 75° 8383 6260 4304 2908 2146
09-23 62° 73° 8428 6295 4329 2925 2158
09-24 55° 71° 8470 6326 4350 2939 2167
09-25 55° 77° 8514 6361 4375 2955 2178
09-26 60° 68° 8555 6392 4396 2969 2187
09-27 50° 67° 8592 6419 4413 2977 2190
09-28 51° 65° 8628 6445 4429 2985 2193
09-29 55° 64° 8665 6472 4446 2995 2198
09-30 58° 64° 8705 6502 4466 3006 2204

 

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.