Growing Degree Days

​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​January 1 to November 3, 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
​3641
3462
3031
3955
5842
3438
3038
4966
5965
5871
Lone Rock3311
3196
3552
5389
3014
2632
4470
5491
5475
​​Beloit
3480
3227
3045
3778
5630
3276
2882
4753
5744
5649
Sullivan
3272
3055
3543
5338
3044
2660
4478
5461
5432
Madison
3293
3178
2990
3585
5389
3090
2702
4548
5525
5506
Juneau
3170
2975
3424
5200
2918
2537
4344
5322
5326
Racine3346
3015
3652
5460
3171
2777
4643
5599
5586
Waukesha3180
2969
3456
5237
2962
2575
4405
5376
5382
Milwaukee3326
3110
2949
3626
5428
3145
2751
4612
5560
5526
Hartford
3088
2901
2690
3353
5112
2862
2482
4280
5245
5255
Appleton3095
2932
2785
3367
5126
2876
2499
4301
5268
5285
Green Bay3081
2889
2681
3345
5101
2846
2474
4269
5233
5231
Big Flats​
3052
2910
3261
5052
2725
2360
4119
5136
5184
Ha​ncock​2911
2807
2756
3119
4879
2595
2231
3972
4968
5034
P​t Edwards2919
2787
3125
4895
2598
2240
3983
4985
5052
La Crosse3278
3231
3259
3554
5381
3046
2665
4499
5509
5531
Eau Claire3116
3073
2850
3364
5146
2855
2488
4277
5263
5291
Cumberland
2668
2593
2551
2874
4565
2372
2029
3727
4678
4802
Bayfield2248
2137
2395
3973
1909
1604
3140
4061
4223
Wausau2554
2457
2608
2741
4432
2232
1892
3561
4526
4671
Medford2492
2378
2397
2660
4334
2146
1809
3468
4428
4594
Crivitz2725
2546
2866
4580
2318
1982
3638
4634
4690
Crandon2309
2213
2464
4089
1960
1642
3222
4165
4350
​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.   ​ ​ ​ ​ ​ ​ ​ ​ ​ 

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