Daily GDD Report for Port Hope

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 23, 2026 28 1561
Jun 22, 2026 28 1533
Jun 21, 2026 26 1505
Jun 20, 2026 26 1479
Jun 19, 2026 28 1453
Jun 18, 2026 28 1425
Jun 17, 2026 27 1397
Jun 16, 2026 31 1370
Jun 15, 2026 24 1339
Jun 14, 2026 24 1315
Jun 13, 2026 37 1291
Jun 12, 2026 36 1254
Jun 11, 2026 41 1218
Jun 10, 2026 40 1177
Jun 9, 2026 38 1137
Jun 8, 2026 30 1099
Jun 7, 2026 27 1069
Jun 6, 2026 35 1042
Jun 5, 2026 37 1007
Jun 4, 2026 35 970
Jun 3, 2026 28 935
Jun 2, 2026 24 907
Jun 1, 2026 20 883
May 31, 2026 22 863
May 30, 2026 16 841
May 29, 2026 27 825
May 28, 2026 18 798
May 27, 2026 26 780
May 26, 2026 37 754
May 25, 2026 29 717
May 24, 2026 15 688
May 23, 2026 15 673
May 22, 2026 14 658
May 21, 2026 9 644
May 20, 2026 12 635
May 19, 2026 29 623
May 18, 2026 34 594
May 17, 2026 23 560
May 16, 2026 32 537
May 15, 2026 18 505
May 14, 2026 14 487
May 13, 2026 14 473
May 12, 2026 6 459
May 11, 2026 5 453
May 10, 2026 10 448
May 9, 2026 19 438
May 8, 2026 13 419
May 7, 2026 6 406
May 6, 2026 6 400
May 5, 2026 18 394
May 4, 2026 26 376
May 3, 2026 12 350
May 2, 2026 6 338
May 1, 2026 2 332
Apr 30, 2026 7 330
Apr 29, 2026 9 323
Apr 28, 2026 20 314
Apr 27, 2026 18 294
Apr 26, 2026 10 276
Apr 25, 2026 11 266
Apr 24, 2026 20 255
Apr 23, 2026 18 235
Apr 22, 2026 12 217
Apr 21, 2026 15 205
Apr 20, 2026 0 190
Apr 19, 2026 2 190
Apr 18, 2026 17 188
Apr 17, 2026 17 171
Apr 16, 2026 18 154
Apr 15, 2026 22 136
Apr 14, 2026 20 114
Apr 13, 2026 24 94
Apr 12, 2026 17 70
Apr 11, 2026 1 53
Apr 10, 2026 2 52
Apr 9, 2026 16 50
Apr 8, 2026 2 34
Apr 7, 2026 0 32
Apr 6, 2026 0 32
Apr 5, 2026 4 32
Apr 4, 2026 9 28
Apr 3, 2026 13 19
Apr 2, 2026 6 6
Apr 1, 2026 0 0

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