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Relative Flowering Times for Broadleaf Weeds (GDD 50)
forecast for Mon, Feb. 18. 2019

 

Forecasted GDD Total: 0 (Base 50) through Mon, Feb. 18, 2019

  

East Lansing, MI

        

Forecast »

“Flashback” to 2018

2/10

2/11

2/12

2/13

2/14

2/15

2/16

2/17

2/18

2/19

2/20

2/21

2/22

Late Season (Biennials and Perennials)

1401

Mid Season and Late Season (SA and Perennials)

601

Mid Season (Perennials)

201

Early and Mid Season (WA and Perennials)

21

Early Season (WA)

5

 

Generously Supported By:



Tabular Data

Daily GDD accumulation for various base temperature models in 2018 & 2019

2019Lo
(F)		Hi
(F)		GDD
22		GDD
32		GDD
42		GDD
50		GDD
55
02-15 17° 40° 7 0 0 0 0
02-16 20° 26° 8 0 0 0 0
02-17 16° 26° 8 0 0 0 0
02-18 18° 25° 8 0 0 0 0
02-19 9° 27° 8 0 0 0 0
02-20 16° 31° 9 0 0 0 0
02-21 24° 34° 17 0 0 0 0
02-22 17° 36° 21 0 0 0 0
02-23 22° 44° 32 1 0 0 0
2018Lo
(F)		Hi
(F)		GDD
22		GDD
32		GDD
42		GDD
50		GDD
55
02-15 38° 44° 19 9 0 0 0
02-16 22° 36° 26 9 0 0 0
02-17 16° 33° 29 9 0 0 0
02-18 26° 36° 38 9 0 0 0
02-19 35° 55° 61 22 3 0 0
02-20 55° 61° 97 48 19 8 3
02-21 32° 50° 115 56 19 8 3
02-22 30° 40° 128 59 19 8 3
02-23 33° 45° 145 66 19 8 3
02-24 34° 41° 161 72 19 8 3
02-25 36° 49° 181 82 19 8 3
02-26 29° 50° 199 90 19 8 3
2018Lo
(F)		Hi
(F)		GDD
22		GDD
32		GDD
42		GDD
50		GDD
55
02-27 37° 60° 226 107 26 8 3
02-28 43° 60° 256 127 36 9 3
03-01 31° 40° 269 130 36 9 3
03-02 26° 42° 282 133 36 9 3
03-03 23° 40° 291 133 36 9 3
03-04 26° 41° 303 134 36 9 3
03-05 26° 37° 312 134 36 9 3
03-06 30° 39° 325 137 36 9 3
03-07 24° 33° 331 137 36 9 3
03-08 22° 31° 335 137 36 9 3
03-09 26° 32° 342 137 36 9 3
03-10 19° 34° 347 137 36 9 3
2018Lo
(F)		Hi
(F)		GDD
22		GDD
32		GDD
42		GDD
50		GDD
55
03-11 20° 37° 354 137 36 9 3
03-12 23° 36° 361 137 36 9 3
03-13 25° 33° 368 137 36 9 3
03-14 23° 39° 377 137 36 9 3
03-15 25° 36° 386 137 36 9 3
03-16 21° 38° 393 137 36 9 3
03-17 22° 48° 406 140 36 9 3
03-18 25° 56° 425 149 36 9 3
03-19 25° 44° 438 152 36 9 3
03-20 22° 39° 446 152 36 9 3
03-21 25° 37° 455 152 36 9 3
03-22 22° 44° 467 153 36 9 3
2018Lo
(F)		Hi
(F)		GDD
22		GDD
32		GDD
42		GDD
50		GDD
55
03-23 24° 42° 477 154 36 9 3
03-24 23° 40° 487 154 36 9 3
03-25 21° 40° 496 154 36 9 3
03-26 27° 52° 513 161 36 9 3
03-27 42° 52° 538 176 41 9 3
03-28 39° 45° 558 186 41 9 3
03-29 41° 47° 580 198 43 9 3
03-30 29° 45° 595 203 43 9 3
03-31 32° 46° 612 210 43 9 3
04-01 27° 37° 623 211 43 9 3
04-02 19° 42° 631 211 43 9 3
04-03 34° 38° 646 215 43 9 3
2018Lo
(F)		Hi
(F)		GDD
22		GDD
32		GDD
42		GDD
50		GDD
55
04-04 26° 33° 653 215 43 9 3
04-05 25° 41° 665 216 43 9 3
04-06 25° 38° 674 216 43 9 3
04-07 19° 34° 678 216 43 9 3
04-08 16° 39° 684 216 43 9 3
04-09 30° 38° 696 218 43 9 3
04-10 25° 45° 709 221 43 9 3
04-11 33° 57° 732 234 46 9 3
04-12 43° 70° 766 259 60 16 5
04-13 39° 60° 794 276 68 16 5
04-14 30° 39° 807 279 68 16 5
04-15 30° 34° 817 279 68 16 5
2018Lo
(F)		Hi
(F)		GDD
22		GDD
32		GDD
42		GDD
50		GDD
55
04-16 31° 36° 828 280 68 16 5
04-17 27° 34° 836 280 68 16 5
04-18 30° 42° 851 284 68 16 5
04-19 32° 53° 871 295 69 16 5
04-20 30° 58° 893 307 71 16 5
04-21 32° 58° 916 320 74 16 5
04-22 32° 63° 941 335 79 16 5
04-23 38° 72° 974 358 92 21 5
04-24 53° 59° 1008 382 106 27 6
04-25 43° 60° 1038 401 115 28 6
04-26 31° 64° 1063 417 121 28 6
04-27 40° 60° 1091 435 128 28 6
2018Lo
(F)		Hi
(F)		GDD
22		GDD
32		GDD
42		GDD
50		GDD
55
04-28 37° 54° 1114 448 131 28 6
04-29 30° 59° 1136 460 134 28 6
04-30 31° 72° 1166 480 143 30 6
05-01 56° 83° 1213 517 171 50 20
05-02 65° 85° 1267 560 204 75 40
05-03 61° 68° 1310 593 227 90 50
05-04 56° 69° 1350 624 247 102 58
05-05 55° 79° 1395 659 272 119 70
05-06 50° 66° 1431 685 288 127 73
05-07 39° 68° 1462 706 300 130 73
05-08 49° 80° 1505 738 322 145 82
05-09 55° 81° 1550 774 347 162 94
2018Lo
(F)		Hi
(F)		GDD
22		GDD
32		GDD
42		GDD
50		GDD
55
05-10 57° 66° 1590 804 367 174 101
05-11 40° 54° 1615 819 372 174 101
05-12 42° 52° 1640 834 377 174 101
05-13 47° 61° 1672 856 389 178 101
05-14 51° 75° 1713 887 410 191 109
05-15 60° 72° 1757 921 435 207 120
05-16 52° 79° 1800 954 458 222 131
05-17 52° 76° 1842 986 480 236 140
05-18 47° 76° 1882 1016 499 248 146
05-19 56° 71° 1924 1047 521 262 155
05-20 53° 59° 1958 1071 535 268 156
05-21 48° 64° 1992 1095 549 274 157
2018Lo
(F)		Hi
(F)		GDD
22		GDD
32		GDD
42		GDD
50		GDD
55
05-22 51° 66° 2028 1122 566 282 161
05-23 48° 79° 2070 1154 588 296 169
05-24 50° 82° 2114 1188 611 312 180
05-25 58° 87° 2165 1229 642 335 198
05-26 68° 86° 2220 1274 678 362 220
05-27 62° 92° 2275 1319 713 389 243
05-28 62° 93° 2331 1365 748 417 265
05-29 68° 91° 2388 1412 786 446 290
05-30 71° 87° 2445 1459 823 475 314
05-31 72° 85° 2502 1505 859 504 337
06-01 62° 81° 2551 1545 889 525 353
06-02 54° 65° 2589 1573 906 535 358
2018Lo
(F)		Hi
(F)		GDD
22		GDD
32		GDD
42		GDD
50		GDD
55
06-03 60° 70° 2632 1606 929 550 368
06-04 57° 71° 2674 1638 951 564 377
06-05 56° 67° 2714 1667 971 576 384
06-06 46° 72° 2751 1694 988 585 388
06-07 60° 82° 2800 1733 1017 606 404
06-08 59° 81° 2848 1771 1045 626 419
06-09 62° 71° 2893 1806 1070 643 431
06-10 58° 68° 2934 1837 1091 656 439
06-11 57° 79° 2980 1873 1117 674 452
06-12 59° 76° 3025 1909 1142 691 464
06-13 63° 80° 3074 1948 1172 712 481
06-14 54° 82° 3120 1984 1198 730 494
2018Lo
(F)		Hi
(F)		GDD
22		GDD
32		GDD
42		GDD
50		GDD
55
06-15 58° 81° 3168 2021 1225 750 508
06-16 66° 85° 3221 2065 1258 775 528
06-17 70° 93° 3280 2114 1297 806 554
06-18 74° 91° 3340 2164 1338 838 582
06-19 67° 74° 3389 2202 1366 859 597
06-20 60° 71° 3432 2236 1390 874 608
06-21 56° 76° 3476 2270 1414 890 619
06-22 60° 74° 3521 2305 1439 907 631
06-23 62° 73° 3567 2341 1464 925 643
06-24 60° 72° 3611 2375 1489 941 655
06-25 55° 76° 3655 2408 1512 957 665
06-26 54° 79° 3699 2443 1537 973 677
2018Lo
(F)		Hi
(F)		GDD
22		GDD
32		GDD
42		GDD
50		GDD
55
06-27 66° 73° 3747 2481 1564 993 691
06-28 62° 86° 3799 2523 1596 1017 710
06-29 64° 90° 3853 2567 1631 1043 732
06-30 76° 91° 3915 2619 1673 1077 760
07-01 72° 93° 3976 2669 1713 1110 788
07-02 70° 85° 4031 2715 1749 1137 810
07-03 61° 90° 4085 2759 1782 1163 831
07-04 71° 92° 4144 2808 1822 1194 858
07-05 75° 92° 4206 2860 1863 1228 886
07-06 62° 76° 4253 2897 1890 1247 900
07-07 50° 80° 4296 2930 1914 1262 910
07-08 53° 86° 4344 2967 1941 1282 925
2018Lo
(F)		Hi
(F)		GDD
22		GDD
32		GDD
42		GDD
50		GDD
55
07-09 59° 88° 4395 3009 1972 1305 943
07-10 67° 85° 4449 3053 2006 1331 964
07-11 58° 83° 4497 3091 2035 1351 980
07-12 57° 84° 4546 3129 2063 1372 995
07-13 65° 91° 4602 3176 2099 1400 1018
07-14 68° 82° 4655 3219 2132 1425 1038
07-15 67° 91° 4712 3265 2169 1454 1062
07-16 70° 87° 4768 3312 2205 1482 1085
07-17 60° 79° 4816 3349 2233 1502 1100
07-18 55° 78° 4860 3384 2257 1518 1111
07-19 55° 84° 4908 3421 2285 1538 1126
07-20 66° 80° 4959 3462 2316 1561 1144
2018Lo
(F)		Hi
(F)		GDD
22		GDD
32		GDD
42		GDD
50		GDD
55
07-21 65° 76° 5007 3501 2345 1581 1160
07-22 64° 71° 5053 3537 2371 1599 1173
07-23 64° 76° 5101 3575 2399 1619 1188
07-24 65° 81° 5152 3616 2430 1642 1206
07-25 61° 84° 5203 3656 2460 1665 1223
07-26 64° 81° 5253 3697 2490 1687 1240
07-27 59° 75° 5298 3731 2515 1704 1252
07-28 56° 78° 5342 3766 2540 1720 1264
07-29 54° 80° 5387 3801 2565 1737 1276
07-30 56° 81° 5434 3838 2592 1756 1290
07-31 57° 78° 5479 3873 2617 1773 1302
08-01 63° 80° 5529 3912 2646 1795 1318
2018Lo
(F)		Hi
(F)		GDD
22		GDD
32		GDD
42		GDD
50		GDD
55
08-02 62° 85° 5580 3954 2678 1818 1337
08-03 64° 83° 5632 3996 2709 1842 1355
08-04 57° 90° 5684 4037 2741 1866 1374
08-05 71° 93° 5743 4087 2781 1897 1401
08-06 70° 79° 5796 4130 2813 1922 1420
08-07 68° 84° 5850 4174 2847 1948 1441
08-08 67° 82° 5902 4216 2880 1972 1461
08-09 63° 80° 5952 4255 2909 1994 1477
08-10 65° 83° 6003 4297 2941 2017 1496
08-11 58° 83° 6052 4336 2969 2038 1511
08-12 61° 84° 6102 4376 3000 2060 1529
08-13 60° 84° 6152 4416 3030 2082 1546
2018Lo
(F)		Hi
(F)		GDD
22		GDD
32		GDD
42		GDD
50		GDD
55
08-14 60° 87° 6204 4457 3061 2106 1564
08-15 65° 86° 6257 4501 3094 2131 1584
08-16 66° 80° 6308 4542 3125 2154 1602
08-17 68° 76° 6357 4581 3155 2175 1619
08-18 66° 81° 6409 4623 3187 2199 1637
08-19 64° 82° 6460 4664 3218 2222 1656
08-20 64° 81° 6511 4704 3248 2245 1673
08-21 68° 74° 6560 4743 3277 2266 1689
08-22 58° 75° 6604 4778 3302 2282 1700
08-23 54° 80° 6649 4813 3327 2299 1712
08-24 57° 76° 6694 4847 3351 2316 1724
08-25 66° 77° 6743 4887 3381 2337 1740
2018Lo
(F)		Hi
(F)		GDD
22		GDD
32		GDD
42		GDD
50		GDD
55
08-26 69° 86° 6798 4932 3416 2364 1762
08-27 71° 88° 6856 4979 3453 2394 1787
08-28 69° 87° 6912 5025 3489 2422 1810
08-29 63° 76° 6959 5063 3517 2441 1824
08-30 51° 71° 6999 5092 3536 2453 1831
08-31 55° 82° 7045 5129 3563 2471 1845
09-01 67° 81° 7097 5171 3595 2495 1864
09-02 70° 86° 7154 5217 3631 2524 1887
09-03 70° 84° 7209 5262 3666 2551 1909
09-04 69° 90° 7266 5310 3703 2580 1933
09-05 71° 90° 7325 5359 3742 2611 1959
09-06 62° 71° 7369 5393 3767 2627 1971
2018Lo
(F)		Hi
(F)		GDD
22		GDD
32		GDD
42		GDD
50		GDD
55
09-07 56° 69° 7410 5424 3787 2640 1978
09-08 55° 67° 7449 5452 3806 2651 1984
09-09 52° 64° 7485 5479 3822 2659 1987
09-10 54° 65° 7523 5506 3840 2669 1992
09-11 50° 76° 7564 5538 3861 2682 2000
09-12 53° 79° 7608 5572 3885 2698 2011
09-13 56° 77° 7652 5606 3909 2714 2022
09-14 63° 80° 7702 5645 3939 2736 2039
09-15 56° 84° 7750 5683 3967 2756 2054
09-16 63° 86° 7802 5726 4000 2780 2074
09-17 62° 88° 7855 5769 4033 2805 2094
09-18 62° 85° 7907 5810 4064 2829 2112
2018Lo
(F)		Hi
(F)		GDD
22		GDD
32		GDD
42		GDD
50		GDD
55
09-19 64° 78° 7955 5849 4093 2849 2128
09-20 65° 80° 8006 5890 4123 2872 2145
09-21 59° 77° 8052 5926 4150 2890 2158
09-22 47° 64° 8086 5949 4163 2896 2159
09-23 42° 71° 8121 5974 4178 2903 2161
09-24 49° 69° 8157 6001 4195 2911 2165
09-25 67° 78° 8208 6041 4225 2934 2182
09-26 47° 67° 8243 6066 4240 2941 2184
09-27 45° 64° 8275 6089 4253 2945 2184
09-28 48° 62° 8308 6112 4266 2950 2184
09-29 39° 60° 8335 6129 4273 2950 2184
09-30 42° 51° 8360 6144 4277 2950 2184
2018Lo
(F)		Hi
(F)		GDD
22		GDD
32		GDD
42		GDD
50		GDD
55

 

Latest Updates

March 9th, 2018Note Regarding 2018 Alerts

We had an issue with the emailed alerts that should be resolved now, and apologize for any inconvenience. You may receive outdated alerts tomorrow (Saturday, March 10, 2018), so please check the details before taking any action. Thank you.


 

February 17th, 2018Welcome to a New GDD Season!

GDDTracker is ready for 2018 with GDD tracking that began on February 15. New this year will be the Smith-Kerns Dollar Spot Prediction Model which will be launching soon. Check back soon for additional details!
 

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.


 

 

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