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Crabgrass Germination Prediction (GDD 50)
through Sat, Apr. 29. 2017

 

GDD Total: 311 (Base 50) through Sat, Apr. 29, 2017

  

Lafayette, IN

       

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 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 50° 77° 2051 1332 715 325 162
2017Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
05-01 52° 58° 2084 1355 729 330 162
05-02 44° 60° 2114 1375 739 332 162
05-03 42° 59° 2142 1394 747 332 162
05-04 43° 59° 2171 1413 756 333 162
05-05 42° 65° 2203 1434 767 337 162
05-06 45° 66° 2236 1457 781 342 163
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.