Daily GDD Report for Forest

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
May 31, 2026 24 1064
May 30, 2026 20 1040
May 29, 2026 27 1020
May 28, 2026 21 993
May 27, 2026 25 972
May 26, 2026 34 947
May 25, 2026 30 913
May 24, 2026 24 883
May 23, 2026 21 859
May 22, 2026 22 838
May 21, 2026 15 816
May 20, 2026 14 801
May 19, 2026 35 787
May 18, 2026 42 752
May 17, 2026 35 710
May 16, 2026 27 675
May 15, 2026 18 648
May 14, 2026 14 630
May 13, 2026 16 616
May 12, 2026 13 600
May 11, 2026 9 587
May 10, 2026 13 578
May 9, 2026 22 565
May 8, 2026 16 543
May 7, 2026 10 527
May 6, 2026 10 517
May 5, 2026 20 507
May 4, 2026 27 487
May 3, 2026 14 460
May 2, 2026 8 446
May 1, 2026 8 438
Apr 30, 2026 9 430
Apr 29, 2026 13 421
Apr 28, 2026 25 408
Apr 27, 2026 22 383
Apr 26, 2026 16 361
Apr 25, 2026 11 345
Apr 24, 2026 26 334
Apr 23, 2026 21 308
Apr 22, 2026 17 287
Apr 21, 2026 11 270
Apr 20, 2026 0 259
Apr 19, 2026 4 259
Apr 18, 2026 18 255
Apr 17, 2026 21 237
Apr 16, 2026 22 216
Apr 15, 2026 30 194
Apr 14, 2026 29 164
Apr 13, 2026 34 135
Apr 12, 2026 19 101
Apr 11, 2026 5 82
Apr 10, 2026 5 77
Apr 9, 2026 20 72
Apr 8, 2026 2 52
Apr 7, 2026 0 50
Apr 6, 2026 3 50
Apr 5, 2026 6 47
Apr 4, 2026 16 41
Apr 3, 2026 20 25
Apr 2, 2026 8 5
Apr 1, 2026 0 -3

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