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Crabgrass Germination Prediction (GDD 50)
through Tue, Aug. 22. 2017

 
  

Kalamazoo, MI

       

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° 3942 2742 1649 944 627
06-24 60° 72° 3985 2776 1673 959 637
06-25 55° 70° 4026 2807 1694 972 645
06-26 53° 68° 4065 2836 1713 983 651
06-27 48° 72° 4103 2864 1730 993 656
06-28 51° 76° 4145 2895 1752 1006 664
06-29 64° 84° 4197 2937 1784 1031 684
2017Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
06-30 65° 80° 4247 2978 1815 1053 701
07-01 68° 82° 4300 3021 1848 1078 721
07-02 59° 83° 4349 3059 1876 1099 737
07-03 65° 80° 4399 3100 1907 1121 754
07-04 63° 82° 4449 3140 1937 1143 771
07-05 58° 84° 4498 3179 1966 1164 787
07-06 63° 89° 4552 3223 2000 1190 808
07-07 66° 82° 4604 3265 2032 1214 827
07-08 62° 77° 4651 3302 2059 1233 841
07-09 52° 81° 4696 3336 2083 1250 853
07-10 65° 77° 4745 3376 2113 1271 869
07-11 69° 84° 4800 3421 2147 1298 891
2017Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
07-12 69° 81° 4853 3464 2181 1323 911
07-13 68° 79° 4904 3505 2212 1346 929
07-14 64° 75° 4952 3543 2240 1366 944
07-15 56° 77° 4997 3578 2264 1383 956
07-16 65° 81° 5047 3618 2295 1405 973
07-17 58° 79° 5094 3655 2322 1424 987
07-18 60° 85° 5144 3695 2352 1446 1004
07-19 64° 88° 5198 3739 2386 1472 1025
07-20 70° 84° 5253 3784 2421 1499 1047
07-21 62° 86° 5306 3827 2453 1524 1067
07-22 69° 81° 5359 3870 2487 1549 1087
07-23 66° 85° 5413 3913 2520 1574 1107
2017Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
07-24 60° 73° 5457 3948 2545 1591 1119
07-25 55° 79° 5502 3983 2570 1608 1131
07-26 61° 82° 5551 4022 2599 1629 1147
07-27 67° 85° 5605 4066 2633 1655 1168
07-28 61° 80° 5654 4105 2662 1676 1184
07-29 53° 80° 5699 4139 2686 1692 1195
07-30 55° 82° 5745 4176 2713 1711 1209
07-31 56° 83° 5793 4214 2740 1731 1224
08-01 57° 84° 5841 4252 2769 1751 1239
08-02 62° 84° 5893 4293 2800 1775 1258
08-03 60° 83° 5943 4333 2830 1796 1274
08-04 58° 66° 5983 4363 2850 1808 1281
2017Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
08-05 56° 74° 6026 4396 2873 1823 1291
08-06 57° 75° 6070 4430 2897 1840 1303
08-07 57° 74° 6113 4464 2921 1855 1313
08-08 50° 80° 6156 4497 2944 1870 1323
08-09 55° 81° 6202 4533 2970 1888 1336
08-10 57° 82° 6250 4570 2997 1908 1351
08-11 63° 78° 6299 4609 3026 1928 1366
08-12 59° 75° 6344 4644 3051 1946 1378
08-13 51° 78° 6386 4677 3074 1960 1388
08-14 62° 81° 6436 4716 3103 1982 1404
08-15 65° 81° 6487 4757 3134 2005 1422
08-16 61° 87° 6539 4799 3166 2029 1441
2017Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
08-17 70° 82° 6593 4844 3200 2055 1463
08-18 64° 74° 6640 4880 3227 2074 1477
08-19 62° 80° 6689 4919 3256 2095 1492
08-20 54° 85° 6736 4957 3284 2114 1507
08-21 69° 84° 6791 5002 3319 2141 1529
08-22 60° 75° 6837 5038 3345 2159 1542
08-23 56° 73° 6879 5070 3367 2173 1551
08-24 49° 69° 6916 5097 3384 2182 1555
08-25 48° 73° 6955 5126 3402 2193 1561
08-26 49° 75° 6995 5156 3422 2205 1568
08-27 51° 76° 7036 5187 3444 2218 1576
08-28 54° 78° 7080 5221 3468 2234 1587
2017Lo
(F)
Hi
(F)
GDD
22
GDD
32
GDD
42
GDD
50
GDD
55
08-29 57° 77° 7125 5256 3493 2251 1599
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.