Daily GDD Report for Port Huron

To calculate the GDD for a given time span, choose an End date and a Start date, then click the "Calculate GDD" button at the bottom.
*Please note that since the GDD dates are in descending order, the form is arranged to choose the End date first, and then the Start date.

Date Daily
GDD
Accumulated
GDD
GDD Calculator
End Date Start Date
Oct 24, 2021 8 5948
Oct 23, 2021 9 5940
Oct 22, 2021 11 5931
Oct 21, 2021 22 5920
Oct 20, 2021 26 5898
Oct 19, 2021 25 5872
Oct 18, 2021 18 5847
Oct 17, 2021 19 5829
Oct 16, 2021 19 5810
Oct 15, 2021 25 5791
Oct 14, 2021 35 5766
Oct 13, 2021 32 5731
Oct 12, 2021 35 5699
Oct 11, 2021 38 5664
Oct 10, 2021 33 5626
Oct 9, 2021 36 5593
Oct 8, 2021 33 5557
Oct 7, 2021 33 5524
Oct 6, 2021 29 5491
Oct 5, 2021 29 5462
Oct 4, 2021 35 5433
Oct 3, 2021 32 5398
Oct 2, 2021 33 5366
Oct 1, 2021 25 5333
Sep 30, 2021 21 5308
Sep 29, 2021 21 5287
Sep 28, 2021 24 5266
Sep 27, 2021 36 5242
Sep 26, 2021 23 5206
Sep 25, 2021 22 5183
Sep 24, 2021 25 5161
Sep 23, 2021 20 5136
Sep 22, 2021 23 5116
Sep 21, 2021 32 5093
Sep 20, 2021 34 5061
Sep 19, 2021 27 5027
Sep 18, 2021 26 5000
Sep 17, 2021 35 4974
Sep 16, 2021 29 4939
Sep 15, 2021 31 4910
Sep 14, 2021 39 4879
Sep 13, 2021 30 4840
Sep 12, 2021 34 4810
Sep 11, 2021 34 4776
Sep 10, 2021 30 4742
Sep 9, 2021 28 4712
Sep 8, 2021 35 4684
Sep 7, 2021 33 4649
Sep 6, 2021 30 4616
Sep 5, 2021 35 4586
Sep 4, 2021 30 4551
Sep 3, 2021 26 4521
Sep 2, 2021 29 4495
Sep 1, 2021 31 4466
Aug 31, 2021 34 4435
Aug 30, 2021 40 4401
Aug 29, 2021 45 4361
Aug 28, 2021 45 4316
Aug 27, 2021 40 4271
Aug 26, 2021 41 4231
Aug 25, 2021 45 4190
Aug 24, 2021 42 4145
Aug 23, 2021 42 4103
Aug 22, 2021 40 4061
Aug 21, 2021 38 4021
Aug 20, 2021 37 3983
Aug 19, 2021 37 3946
Aug 18, 2021 37 3909
Aug 17, 2021 36 3872
Aug 16, 2021 29 3836
Aug 15, 2021 28 3807
Aug 14, 2021 31 3779
Aug 13, 2021 39 3748
Aug 12, 2021 44 3709
Aug 11, 2021 43 3665
Aug 10, 2021 44 3622
Aug 9, 2021 44 3578
Aug 8, 2021 39 3534
Aug 7, 2021 40 3495
Aug 6, 2021 39 3455
Aug 5, 2021 37 3416
Aug 4, 2021 33 3379
Aug 3, 2021 33 3346
Aug 2, 2021 31 3313
Aug 1, 2021 31 3282
Jul 31, 2021 31 3251
Jul 30, 2021 26 3220
Jul 29, 2021 40 3194
Jul 28, 2021 36 3154
Jul 27, 2021 40 3118
Jul 26, 2021 42 3078
Jul 25, 2021 42 3036
Jul 24, 2021 39 2994
Jul 23, 2021 35 2955
Jul 22, 2021 30 2920
Jul 21, 2021 30 2890
Jul 20, 2021 41 2860
Jul 19, 2021 38 2819
Jul 18, 2021 35 2781
Jul 17, 2021 35 2746
Jul 16, 2021 33 2711
Jul 15, 2021 42 2678
Jul 14, 2021 42 2636
Jul 13, 2021 39 2594
Jul 12, 2021 34 2555
Jul 11, 2021 30 2521
Jul 10, 2021 26 2491
Jul 9, 2021 26 2465
Jul 8, 2021 34 2439
Jul 7, 2021 35 2405
Jul 6, 2021 47 2370
Jul 5, 2021 44 2323
Jul 4, 2021 37 2279
Jul 3, 2021 34 2242
Jul 2, 2021 30 2208
Jul 1, 2021 31 2178
Jun 30, 2021 40 2147
Jun 29, 2021 45 2107
Jun 28, 2021 38 2062
Jun 27, 2021 45 2024
Jun 26, 2021 40 1979
Jun 25, 2021 35 1939
Jun 24, 2021 37 1904
Jun 23, 2021 27 1867
Jun 22, 2021 20 1840
Jun 21, 2021 31 1820
Jun 20, 2021 34 1789
Jun 19, 2021 35 1755
Jun 18, 2021 39 1720
Jun 17, 2021 31 1681
Jun 16, 2021 24 1650
Jun 15, 2021 26 1626
Jun 14, 2021 30 1600
Jun 13, 2021 32 1570
Jun 12, 2021 38 1538
Jun 11, 2021 37 1500
Jun 10, 2021 40 1463
Jun 9, 2021 40 1423
Jun 8, 2021 43 1383
Jun 7, 2021 43 1340
Jun 6, 2021 42 1297
Jun 5, 2021 43 1255
Jun 4, 2021 40 1212
Jun 3, 2021 36 1172
Jun 2, 2021 29 1136
Jun 1, 2021 31 1107
May 31, 2021 24 1076
May 30, 2021 19 1052
May 29, 2021 15 1033
May 28, 2021 11 1018
May 27, 2021 14 1007
May 26, 2021 29 993
May 25, 2021 42 964
May 24, 2021 31 922
May 23, 2021 32 891
May 22, 2021 39 859
May 21, 2021 38 820
May 20, 2021 39 782
May 19, 2021 33 743
May 18, 2021 30 710
May 17, 2021 28 680
May 16, 2021 23 652
May 15, 2021 23 629
May 14, 2021 22 606
May 13, 2021 14 584
May 12, 2021 13 570
May 11, 2021 9 557
May 10, 2021 10 548
May 9, 2021 9 538
May 8, 2021 8 529
May 7, 2021 13 521
May 6, 2021 8 508
May 5, 2021 9 500
May 4, 2021 19 491
May 3, 2021 22 472
May 2, 2021 28 450
May 1, 2021 12 422
Apr 30, 2021 13 410
Apr 29, 2021 13 397
Apr 28, 2021 27 384
Apr 27, 2021 24 357
Apr 26, 2021 6 333
Apr 25, 2021 8 327
Apr 24, 2021 16 319
Apr 23, 2021 14 303
Apr 22, 2021 1 289
Apr 21, 2021 0 288
Apr 20, 2021 3 288
Apr 19, 2021 16 285
Apr 18, 2021 14 269
Apr 17, 2021 10 255
Apr 16, 2021 6 245
Apr 15, 2021 6 239
Apr 14, 2021 9 233
Apr 13, 2021 18 224
Apr 12, 2021 19 206
Apr 11, 2021 24 187
Apr 10, 2021 23 163
Apr 9, 2021 28 140
Apr 8, 2021 30 112
Apr 7, 2021 29 82
Apr 6, 2021 22 53
Apr 5, 2021 10 31
Apr 4, 2021 12 21
Apr 3, 2021 10 9
Apr 2, 2021 0 -1
Apr 1, 2021 0 -1

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