Daily GDD Report for St.Johns

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 5, 2026 22 610
May 4, 2026 29 588
May 3, 2026 17 559
May 2, 2026 7 542
May 1, 2026 8 535
Apr 30, 2026 12 527
Apr 29, 2026 13 515
Apr 28, 2026 20 502
Apr 27, 2026 23 482
Apr 26, 2026 20 459
Apr 25, 2026 17 439
Apr 24, 2026 36 422
Apr 23, 2026 29 386
Apr 22, 2026 23 357
Apr 21, 2026 19 334
Apr 20, 2026 4 315
Apr 19, 2026 6 311
Apr 18, 2026 19 305
Apr 17, 2026 29 286
Apr 16, 2026 26 257
Apr 15, 2026 31 231
Apr 14, 2026 35 200
Apr 13, 2026 33 165
Apr 12, 2026 26 132
Apr 11, 2026 9 106
Apr 10, 2026 12 97
Apr 9, 2026 24 85
Apr 8, 2026 9 61
Apr 7, 2026 0 52
Apr 6, 2026 3 52
Apr 5, 2026 5 49
Apr 4, 2026 14 44
Apr 3, 2026 18 30
Apr 2, 2026 11 12
Apr 1, 2026 2 1

Michigan Sugar Company BEETcast™, SPRAYcast® are trademarks of Weather INnovations Weather INnovations