Growing Degree Days

​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​January 1 to November 17, 2024​​​​​​​​​

​Location​​
​Mod 50°F
Corn development, 
Codling moth, 
European corn borer​​
​2023 GDDs
Mod base 50F
​30-yr avg.

1991-2020


​Sine B48
Alfalfa weevil
​Mod B40
Onion maggot
​Simple B50
Flea beetles, Imported cabbageworm,​ Squash vine borer
​Simple B52
Colorado potato beetle, Corn rootworm adults
​​Simple B43
Cabbage maggot
​Sine B39
Seedcorn maggot
​​Mod B38
​Western bean cutworm
Dubuque IA
​3680
3515
3057
3996
5964
3459
3053
5038
6092
6015
Lone Rock3350
3245
3592
5509
3035
2648
4532
5610
5614
​​Beloit
3523
3274
3075
3824
5762
3300
2900
4827
5877
5801
Sullivan
3311
3094
3586
5466
3067
2678
4551
5593
5581
Madison
3328
3218
3016
3623
5509
3110
2718
4616
5650
5647
Juneau
3206
3013
3463
5322
2939
2554
4410
5445
5466
Racine3397
3068
3710
5610
3202
2799
4748
5760
5761
Waukesha3218
3007
3499
5365
2986
2592
4482
5510
5533
Milwaukee3370
3159
2976
3676
5567
3172
2771
4703
5708
5689
Hartford
3122
2934
2714
3391
5231
2883
2498
4344
5366
5394
Appleton3126
2966
2806
3402
5240
2895
2514
4360
5385
5420
Green Bay3111
2921
2702
3380
5215
2865
2488
4326
5348
5365
Big Flats​
3081
2947

3290
5159
2738
2370
4164
5239
5309
Ha​ncock​2939
2841
2777
3146
4981
2609
2241
4013
5066
5155
P​t Edwards2940
2821
3146
4991
2604
2245
4017
5076
5166
La Crosse3301
3268
3287
3577
5480
3053
2670
4545
5609
5648
Eau Claire3130
3107
2871
3380
5232
2861
2492
4309
5348
5395
Cumberland
2674
2611
2566
2881
4631
2374
2029
3743
4744
4887
Bayfield2253
2149
2400
4032
1911
1604
3152
4116
4299
Wausau2564
2474
2623
2751
4506
2236
1893
3583
4596
4763
Medford2500
2396
2410
2668
4403
2149
1810
3485
4492
4680
Crivitz2745
2570

2887
4672
2327
1987
3672
4718
4800
Crandon2313
2225
2469
4144
1962
1642
3235
4216
4421
​Key​ to GDD calculation methods: Modified B50°F; 2023 Modified B50°F; 30-Year Average 1991-2020; Sine B48°F; Modified​ B40°F; Simple B50​​°F; Simple B52°F; Simple B43°F, Sine B39°F; Modified B38°F.   ​ ​ ​ ​ ​ ​ ​ ​ ​ 

​​​​​​​​​​​​​<< Back to main Pest Survey page​​​
​​​​
​
​



​