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Crabgrass/Annual Bluegrass Preemergence Timer (GDD 32)
through Fri, Jun. 23. 2017

 

GDD Total: 0 (Base 32) through Fri, Jun. 23, 2017

  

Lafayette, IN

       

Forecast »

Done

801

Late

500

Optimum

250

Early

171

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 44° 64° 136 78 34 10 0
02-20 39° 67° 167 99 45 13 0
02-21 52° 61° 202 124 60 20 2
02-22 49° 65° 237 149 75 27 4
02-23 46° 61° 268 170 86 30 4
02-24 44° 67° 302 194 100 36 4
02-25 26° 43° 315 197 100 36 4
02-26 20° 47° 326 198 100 36 4
02-27 31° 55° 347 209 101 36 4
02-28 44° 63° 379 231 112 39 4
02-29 n/a n/a n/a n/a n/a n/a n/a
03-01 36° 62° 406 248 119 39 4
2017Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
03-02 29° 36° 416 248 119 39 4
03-03 25° 34° 424 248 119 39 4
03-04 29° 45° 439 253 119 39 4
03-05 32° 64° 465 269 125 39 4
03-06 53° 60° 499 294 139 46 5
03-07 39° 63° 528 313 148 46 5
03-08 37° 56° 552 327 153 46 5
03-09 29° 53° 571 336 153 46 5
03-10 25° 37° 580 336 153 46 5
03-11 23° 27° 583 336 153 46 5
03-12 20° 35° 589 336 153 46 5
03-13 27° 32° 596 336 153 46 5
2017Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
03-14 16° 28° 596 336 153 46 5
03-15 15° 31° 597 336 153 46 5
03-16 17° 42° 605 336 153 46 5
03-17 32° 46° 622 343 153 46 5
03-18 37° 43° 640 351 153 46 5
03-19 31° 51° 659 360 153 46 5
03-20 41° 52° 683 375 157 46 5
03-21 35° 54° 706 387 160 46 5
03-22 25° 39° 716 387 160 46 5
03-23 29° 54° 735 396 160 46 5
03-24 48° 75° 775 426 179 58 12
03-25 56° 72° 817 458 201 72 21
2017Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
03-26 54° 62° 853 484 217 80 24
03-27 49° 62° 887 508 231 86 25
03-28 41° 52° 911 523 236 86 25
03-29 45° 56° 940 541 245 86 25
03-30 45° 59° 970 561 254 88 25
03-31 39° 54° 994 575 258 88 25
04-01 38° 57° 1019 590 264 88 25
04-02 41° 62° 1049 610 273 90 25
04-03 50° 65° 1085 636 289 98 28
04-04 46° 56° 1114 655 298 99 28
04-05 43° 53° 1140 671 304 99 28
04-06 36° 49° 1160 681 304 99 28
2017Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
04-07 35° 53° 1181 693 306 99 28
04-08 33° 65° 1209 710 313 99 28
04-09 52° 76° 1251 742 336 113 37
04-10 61° 70° 1295 776 360 129 48
04-11 47° 62° 1328 799 373 134 48
04-12 37° 66° 1358 819 382 135 48
04-13 47° 74° 1396 847 400 146 53
04-14 46° 79° 1436 877 421 158 61
04-15 57° 81° 1483 915 448 177 75
04-16 58° 70° 1525 947 470 191 84
04-17 51° 72° 1565 976 489 202 90
04-18 46° 78° 1605 1006 509 214 97
2017Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
04-19 60° 78° 1652 1043 536 234 111
04-20 56° 76° 1696 1077 560 250 122
04-21 45° 55° 1724 1095 568 250 122
04-22 42° 61° 1753 1114 578 251 122
04-23 38° 70° 1785 1136 590 255 122
04-24 42° 75° 1822 1163 607 264 126
04-25 51° 78° 1864 1196 629 278 136
04-26 62° 83° 1915 1236 660 301 153
04-27 49° 62° 1948 1260 673 306 153
04-28 45° 58° 1978 1279 682 308 153
04-29 50° 57° 2009 1301 694 311 153
04-30 49° 69° 2046 1328 711 320 157
2017Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
05-01 48° 67° 2082 1353 726 328 160
05-02 43° 54° 2108 1369 733 328 160
05-03 36° 55° 2132 1383 736 328 160
05-04 44° 49° 2156 1397 741 328 160
05-05 42° 55° 2183 1414 747 328 160
05-06 42° 57° 2210 1431 755 328 160
05-07 37° 62° 2238 1449 762 328 160
05-08 33° 63° 2264 1465 768 328 160
05-09 45° 59° 2294 1485 778 330 160
05-10 51° 76° 2335 1516 800 343 168
05-11 50° 67° 2371 1543 816 351 171
05-12 49° 71° 2409 1571 834 361 176
2017Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
05-13 46° 78° 2450 1601 854 374 184
05-14 56° 85° 2498 1639 883 394 199
05-15 56° 85° 2547 1678 911 415 215
05-16 64° 76° 2595 1716 939 435 230
05-17 68° 84° 2649 1760 973 461 251
05-18 70° 89° 2706 1808 1011 490 275
05-19 50° 68° 2744 1835 1028 500 280
05-20 51° 75° 2785 1866 1049 513 288
05-21 53° 68° 2823 1895 1068 523 294
05-22 47° 72° 2861 1922 1086 533 298
05-23 57° 71° 2903 1955 1108 547 307
05-24 56° 64° 2941 1982 1126 557 312
2017Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
05-25 54° 63° 2978 2009 1142 566 316
05-26 52° 77° 3020 2041 1165 580 325
05-27 62° 73° 3065 2076 1190 597 337
05-28 60° 77° 3112 2113 1217 616 351
05-29 58° 80° 3159 2150 1244 635 365
05-30 54° 74° 3201 2182 1266 649 374
05-31 53° 78° 3244 2216 1289 664 384
06-01 52° 81° 3289 2250 1313 681 396
06-02 52° 84° 3335 2286 1340 699 409
06-03 58° 89° 3387 2328 1371 723 428
06-04 71° 88° 3444 2375 1409 752 452
06-05 65° 86° 3498 2419 1442 778 473
2017Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
06-06 53° 77° 3541 2452 1466 793 483
06-07 55° 75° 3584 2485 1488 808 493
06-08 50° 79° 3626 2517 1511 822 502
06-09 61° 88° 3678 2560 1543 846 522
06-10 65° 85° 3731 2603 1576 871 542
06-11 67° 88° 3787 2648 1612 899 564
06-12 70° 92° 3846 2697 1651 930 590
06-13 71° 90° 3904 2746 1689 960 616
06-14 67° 86° 3959 2791 1724 987 637
06-15 67° 85° 4013 2835 1758 1013 659
06-16 66° 86° 4067 2879 1792 1039 679
06-17 71° 83° 4122 2924 1827 1066 701
2017Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
06-18 67° 80° 4174 2965 1858 1090 720
06-19 61° 79° 4222 3003 1886 1110 735
06-20 57° 77° 4267 3038 1911 1127 747
06-21 62° 84° 4318 3079 1942 1150 765
06-22 73° 82° 4373 3124 1977 1177 787
06-23 66° 76° 0 0 0 0 0
06-24 58° 73° 4469 3201 2034 1217 817
06-25 54° 73° 4511 3232 2056 1231 826
06-26 54° 72° 4552 3263 2076 1244 834
06-27 53° 76° 4594 3295 2099 1258 843
06-28 55° 80° 4640 3331 2124 1276 856
06-29 61° 81° 4689 3370 2153 1297 872
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 37° 63° 54 18 8 0 0
02-20 37° 68° 84 39 19 3 0
02-21 31° 52° 103 48 19 3 0
02-22 23° 44° 115 49 19 3 0
02-23 25° 49° 130 54 19 3 0
02-24 32° 36° 142 57 19 3 0
02-25 30° 33° 152 57 19 3 0
02-26 19° 34° 156 57 19 3 0
02-27 22° 43° 167 57 19 3 0
02-28 40° 61° 195 76 27 3 0
02-29 35° 54° 217 88 29 3 0
03-01 33° 44° 234 94 29 3 0
2016Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
03-02 15° 35° 237 94 29 3 0
03-03 30° 34° 247 94 29 3 0
03-04 20° 34° 251 94 29 3 0
03-05 26° 41° 263 96 29 3 0
03-06 32° 52° 283 106 29 3 0
03-07 40° 60° 311 124 37 3 0
03-08 49° 71° 349 152 55 13 5
03-09 56° 67° 388 181 75 25 12
03-10 41° 56° 415 198 81 25 12
03-11 35° 57° 439 212 85 25 12
03-12 38° 54° 463 226 89 25 12
03-13 48° 58° 494 247 100 28 12
2016Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
03-14 52° 57° 527 270 113 33 12
03-15 50° 73° 566 299 133 44 18
03-16 47° 63° 599 322 145 49 18
03-17 38° 60° 627 339 153 49 18
03-18 34° 53° 648 351 154 49 18
03-19 35° 48° 667 360 154 49 18
03-20 26° 47° 682 365 154 49 18
03-21 26° 51° 699 372 154 49 18
03-22 40° 67° 730 393 165 52 18
03-23 53° 67° 768 421 183 62 23
03-24 37° 60° 794 437 190 62 23
03-25 32° 46° 812 444 190 62 23
2016Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
03-26 27° 60° 833 456 191 62 23
03-27 36° 73° 866 479 204 66 23
03-28 39° 49° 888 490 206 66 23
03-29 31° 58° 910 503 208 66 23
03-30 39° 66° 940 523 218 69 23
03-31 50° 64° 975 548 233 75 25
04-01 39° 49° 997 560 235 75 25
04-02 31° 43° 1012 565 235 75 25
04-03 26° 63° 1034 577 237 75 25
04-04 31° 56° 1056 589 239 75 25
04-05 23° 48° 1070 592 239 75 25
04-06 40° 53° 1094 607 243 75 25
2016Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
04-07 36° 45° 1113 616 243 75 25
04-08 32° 44° 1129 622 243 75 25
04-09 24° 38° 1138 622 243 75 25
04-10 30° 52° 1157 631 243 75 25
04-11 37° 52° 1179 643 246 75 25
04-12 29° 53° 1198 652 246 75 25
04-13 29° 60° 1221 665 249 75 25
04-14 32° 66° 1248 682 256 75 25
04-15 37° 74° 1282 706 270 81 26
04-16 45° 81° 1323 737 291 94 34
04-17 45° 81° 1364 768 312 107 42
04-18 43° 83° 1405 799 333 120 50
2016Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
04-19 47° 79° 1446 831 354 133 58
04-20 49° 72° 1485 859 373 144 64
04-21 55° 71° 1526 890 394 157 72
04-22 44° 62° 1557 912 405 160 72
04-23 42° 65° 1589 933 417 164 72
04-24 40° 77° 1626 960 434 173 76
04-25 51° 82° 1671 995 458 190 87
04-26 54° 74° 1713 1027 481 204 97
04-27 46° 59° 1744 1048 492 207 97
04-28 45° 61° 1775 1069 503 210 97
04-29 46° 59° 1806 1090 514 213 97
04-30 46° 54° 1834 1108 522 213 97
2016Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
05-01 51° 68° 1872 1136 539 223 101
05-02 48° 54° 1901 1155 549 224 101
05-03 47° 67° 1936 1180 564 231 103
05-04 43° 54° 1963 1197 571 231 103
05-05 41° 66° 1995 1219 582 235 103
05-06 37° 76° 2029 1243 597 241 104
05-07 45° 71° 2065 1269 612 249 107
05-08 34° 62° 2091 1285 619 249 107
05-09 49° 58° 2123 1307 630 252 107
05-10 57° 72° 2165 1340 653 267 117
05-11 58° 79° 2212 1376 680 286 130
05-12 56° 70° 2253 1407 701 299 139
2016Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
05-13 48° 71° 2291 1435 718 308 143
05-14 39° 57° 2317 1451 724 308 143
05-15 35° 56° 2340 1464 728 308 143
05-16 36° 68° 2371 1485 738 311 143
05-17 49° 60° 2403 1507 751 315 143
05-18 42° 70° 2437 1531 765 321 144
05-19 38° 73° 2471 1555 778 327 145
05-20 50° 70° 2508 1583 796 337 150
05-21 53° 78° 2552 1616 819 352 160
05-22 43° 84° 2593 1647 841 365 168
05-23 41° 82° 2633 1677 861 377 175
05-24 49° 87° 2679 1713 886 395 188
2016Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
05-25 60° 88° 2731 1755 918 419 207
05-26 65° 82° 2782 1796 950 442 225
05-27 64° 87° 2835 1840 983 468 246
05-28 68° 87° 2891 1885 1019 495 268
05-29 62° 88° 2944 1928 1052 520 288
05-30 54° 91° 2995 1969 1082 543 306
05-31 58° 91° 3047 2011 1114 567 325
06-01 60° 79° 3094 2048 1142 586 339
06-02 63° 85° 3146 2090 1174 610 358
06-03 50° 85° 3191 2125 1199 628 370
06-04 61° 71° 3235 2159 1223 644 381
06-05 62° 78° 3284 2198 1251 664 397
2016Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
06-06 60° 88° 3336 2240 1283 688 416
06-07 54° 71° 3376 2270 1304 700 423
06-08 45° 79° 3416 2300 1324 712 430
06-09 50° 83° 3461 2335 1348 729 442
06-10 67° 94° 3519 2384 1387 760 468
06-11 72° 96° 3581 2435 1429 793 496
06-12 65° 91° 3637 2481 1465 821 519
06-13 53° 90° 3687 2521 1495 843 536
06-14 69° 83° 3741 2565 1529 869 557
06-15 68° 88° 3796 2611 1564 897 580
06-16 65° 83° 3849 2653 1596 921 599
06-17 62° 88° 3901 2695 1629 946 618
2016Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
06-18 57° 90° 3953 2737 1661 969 637
06-19 59° 92° 4006 2780 1694 995 657
06-20 72° 91° 4066 2830 1733 1026 684
06-21 66° 86° 4120 2874 1767 1052 705
06-22 61° 77° 4167 2911 1794 1071 719
06-23 69° 85° 4222 2956 1829 1098 741
06-24 64° 85° 4274 2998 1862 1122 760
06-25 62° 89° 4328 3042 1895 1148 781
06-26 71° 92° 4387 3091 1935 1179 807
06-27 68° 89° 4444 3138 1971 1208 831
06-28 56° 73° 4487 3171 1994 1223 841
06-29 48° 78° 4528 3202 2015 1236 849
2016Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
06-30 48° 78° 4568 3232 2036 1249 856
07-01 60° 77° 4615 3269 2062 1267 870
07-02 49° 71° 4652 3297 2080 1277 875
07-03 57° 66° 4692 3326 2100 1288 881
07-04 61° 75° 4738 3362 2126 1306 894
07-05 63° 85° 4790 3404 2158 1330 913
07-06 67° 86° 4845 3449 2192 1357 935
07-07 66° 83° 4897 3491 2225 1381 954
07-08 65° 87° 4951 3535 2259 1407 975
07-09 61° 81° 5000 3574 2288 1428 991
07-10 53° 83° 5046 3611 2314 1447 1005
07-11 61° 87° 5098 3653 2346 1471 1024
2016Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
07-12 66° 88° 5154 3698 2381 1498 1046
07-13 66° 85° 5207 3741 2415 1523 1066
07-14 66° 88° 5262 3786 2450 1550 1088
07-15 64° 83° 5314 3828 2481 1574 1107
07-16 59° 79° 5361 3865 2509 1593 1121
07-17 56° 84° 5409 3903 2536 1613 1136
07-18 68° 80° 5461 3945 2568 1637 1155
07-19 67° 88° 5516 3990 2604 1664 1177
07-20 68° 87° 5572 4036 2639 1692 1200
07-21 69° 89° 5629 4083 2676 1721 1224
07-22 72° 87° 5686 4130 2714 1750 1248
07-23 72° 92° 5747 4181 2754 1783 1276
2016Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
07-24 70° 90° 5804 4229 2792 1813 1301
07-25 69° 84° 5859 4273 2827 1840 1322
07-26 63° 83° 5911 4315 2858 1863 1341
07-27 59° 85° 5961 4355 2889 1885 1358
07-28 63° 86° 6013 4397 2921 1910 1377
07-29 66° 85° 6067 4441 2955 1935 1398
07-30 66° 80° 6118 4482 2986 1958 1416
07-31 62° 81° 6167 4522 3015 1980 1433
08-01 62° 85° 6219 4563 3046 2003 1451
08-02 63° 86° 6271 4605 3079 2028 1470
08-03 64° 89° 6326 4650 3114 2054 1492
08-04 64° 91° 6381 4696 3149 2082 1515
2016Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
08-05 71° 86° 6438 4742 3186 2110 1538
08-06 64° 85° 6490 4784 3218 2134 1557
08-07 55° 83° 6538 4822 3245 2154 1572
08-08 65° 87° 6591 4865 3279 2180 1592
08-09 61° 88° 6644 4908 3311 2204 1612
08-10 65° 91° 6700 4954 3347 2232 1635
08-11 71° 92° 6759 5003 3387 2264 1661
08-12 73° 88° 6818 5052 3426 2294 1687
08-13 72° 87° 6876 5100 3463 2324 1712
08-14 65° 80° 6926 5140 3494 2346 1729
08-15 66° 76° 6975 5179 3523 2367 1745
08-16 70° 81° 7028 5222 3556 2392 1765
2016Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
08-17 69° 83° 7082 5266 3590 2418 1786
08-18 68° 84° 7136 5310 3624 2445 1807
08-19 67° 81° 7189 5353 3656 2469 1827
08-20 67° 79° 7240 5394 3688 2492 1845
08-21 58° 74° 7284 5428 3711 2508 1856
08-22 53° 77° 7327 5461 3734 2523 1866
08-23 54° 60° 7362 5486 3750 2530 1868
08-24 75° 82° 7418 5532 3786 2558 1891
08-25 72° 83° 7473 5578 3821 2586 1914
08-26 70° 83° 7528 5622 3855 2612 1935
08-27 70° 80° 7581 5665 3889 2637 1955
08-28 69° 87° 7637 5711 3925 2665 1978
2016Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
08-29 69° 88° 7694 5758 3961 2694 2002
08-30 69° 88° 7750 5804 3998 2722 2025
08-31 64° 82° 7801 5845 4029 2745 2043
09-01 59° 75° 7846 5880 4054 2762 2055
09-02 56° 75° 7890 5914 4078 2778 2066
09-03 55° 78° 7934 5948 4102 2794 2077
09-04 56° 79° 7980 5984 4128 2812 2090
09-05 61° 88° 8033 6027 4160 2837 2110
09-06 70° 90° 8091 6075 4198 2867 2135
09-07 72° 91° 8150 6124 4238 2898 2161
09-08 71° 80° 8203 6167 4271 2923 2181
09-09 66° 78° 8253 6207 4301 2945 2198
2016Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
09-10 61° 76° 8299 6244 4327 2964 2212
09-11 53° 74° 8341 6275 4349 2977 2220
09-12 53° 78° 8385 6309 4372 2993 2231
09-13 56° 82° 8432 6346 4400 3012 2245
09-14 66° 77° 8481 6385 4429 3033 2261
09-15 61° 79° 8529 6423 4457 3053 2276
09-16 59° 83° 8579 6463 4486 3075 2293
09-17 65° 81° 8630 6504 4518 3098 2311
09-18 60° 81° 8678 6542 4546 3118 2326
09-19 54° 85° 8726 6580 4573 3138 2341
09-20 58° 88° 8777 6621 4604 3161 2359
09-21 61° 86° 8828 6662 4636 3185 2377
2016Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
09-22 59° 74° 8873 6697 4661 3201 2389
09-23 63° 87° 8926 6740 4694 3226 2409
09-24 68° 82° 8979 6783 4727 3251 2429
09-25 60° 88° 9031 6825 4759 3275 2448
09-26 58° 71° 9074 6858 4781 3290 2458
09-27 50° 75° 9114 6888 4802 3302 2465
09-28 51° 64° 9149 6913 4817 3310 2467
09-29 54° 69° 9189 6943 4837 3321 2474
09-30 59° 64° 9229 6973 4856 3333 2481

 

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.