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
Jun 17, 2026 28 2048
Jun 16, 2026 30 2020
Jun 15, 2026 26 1990
Jun 14, 2026 29 1964
Jun 13, 2026 39 1935
Jun 12, 2026 37 1896
Jun 11, 2026 44 1859
Jun 10, 2026 45 1815
Jun 9, 2026 42 1770
Jun 8, 2026 32 1728
Jun 7, 2026 28 1696
Jun 6, 2026 37 1668
Jun 5, 2026 39 1631
Jun 4, 2026 39 1592
Jun 3, 2026 28 1553
Jun 2, 2026 27 1525
Jun 1, 2026 24 1498
May 31, 2026 22 1474
May 30, 2026 20 1452
May 29, 2026 27 1432
May 28, 2026 20 1405
May 27, 2026 27 1385
May 26, 2026 35 1358
May 25, 2026 31 1323
May 24, 2026 20 1292
May 23, 2026 19 1272
May 22, 2026 19 1253
May 21, 2026 15 1234
May 20, 2026 13 1219
May 19, 2026 33 1206
May 18, 2026 42 1173
May 17, 2026 36 1131
May 16, 2026 30 1095
May 15, 2026 19 1065
May 14, 2026 17 1046
May 13, 2026 16 1029
May 12, 2026 10 1013
May 11, 2026 7 1003
May 10, 2026 12 996
May 9, 2026 21 984
May 8, 2026 22 963
May 7, 2026 18 941
May 6, 2026 18 923
May 5, 2026 18 905
May 4, 2026 18 887
May 3, 2026 18 869
May 2, 2026 18 851
May 1, 2026 12 833
Apr 30, 2026 11 821
Apr 29, 2026 11 810
Apr 28, 2026 17 799
Apr 27, 2026 24 782
Apr 26, 2026 21 758
Apr 25, 2026 31 737
Apr 24, 2026 31 706
Apr 23, 2026 31 675
Apr 22, 2026 31 644
Apr 21, 2026 31 613
Apr 20, 2026 31 582
Apr 19, 2026 31 551
Apr 18, 2026 31 520
Apr 17, 2026 31 489
Apr 16, 2026 31 458
Apr 15, 2026 31 427
Apr 14, 2026 31 396
Apr 13, 2026 31 365
Apr 12, 2026 31 334
Apr 11, 2026 31 303
Apr 10, 2026 31 272
Apr 9, 2026 31 241
Apr 8, 2026 31 210
Apr 7, 2026 31 179
Apr 6, 2026 31 148
Apr 5, 2026 31 117
Apr 4, 2026 31 86
Apr 3, 2026 26 55
Apr 2, 2026 21 29
Apr 1, 2026 21 8

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