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Growing Degree Day Data for Holyoke (HYK02)
Station: Holyoke
Location: 12 mi SE Holyoke
Lat: 40.49 °N Lon: -102.1 °E Elev: 3735 ft
Irrigation: dry First obs: Jan 1, 1992
Lat: 40.49 °N Lon: -102.1 °E Elev: 3735 ft
Irrigation: dry First obs: Jan 1, 1992
| Date | Accum. GDD °F | Daily GDD °F | Historical Avg °F |
|---|---|---|---|
| 04/01/2026 | 8.1 | ||
| 04/02/2026 | 11.2 | 11.2 | 16.6 |
| 04/03/2026 | 16.3 | 5.1 | 22.9 |
| 04/04/2026 | 22.3 | 6.0 | 30.7 |
| 04/05/2026 | 31.9 | 9.6 | 40.7 |
| 04/06/2026 | 35.6 | 3.6 | 48.4 |
| 04/07/2026 | 41.0 | 5.5 | 55.0 |
| 04/08/2026 | 48.2 | 7.1 | 63.7 |
| 04/09/2026 | 62.1 | 13.9 | 74.0 |
| 04/10/2026 | 65.7 | 3.6 | 81.7 |
| 04/11/2026 | 83.7 | 18.0 | 91.4 |
| 04/12/2026 | 100.2 | 16.5 | 102.8 |
| 04/13/2026 | 115.0 | 14.8 | 113.5 |
| 04/14/2026 | 125.7 | 10.8 | 124.4 |
| 04/15/2026 | 137.6 | 11.9 | 134.5 |
| 04/16/2026 | 154.5 | 16.9 | 142.2 |
| 04/17/2026 | 155.6 | 1.1 | 151.6 |
| 04/18/2026 | 160.1 | 4.5 | 159.5 |
| 04/19/2026 | 173.0 | 12.9 | 167.3 |
| 04/20/2026 | 191.0 | 18.0 | 176.2 |
| 04/21/2026 | 209.0 | 18.0 | 185.4 |
| 04/22/2026 | 227.0 | 18.0 | 195.0 |
| 04/23/2026 | 237.0 | 10.0 | 204.5 |
| 04/24/2026 | 249.7 | 12.7 | 212.5 |
| 04/25/2026 | 249.7 | 219.7 | |
| 04/26/2026 | 249.7 | 228.6 | |
| 04/27/2026 | 252.8 | 3.1 | 237.3 |
| 04/28/2026 | 256.4 | 3.5 | 246.7 |
| 04/29/2026 | 262.0 | 5.7 | 257.6 |
| 04/30/2026 | 266.2 | 4.2 | 266.8 |
| 05/01/2026 | 273.9 | 7.7 | 274.8 |
| 05/02/2026 | 286.5 | 12.5 | 283.7 |
| 05/03/2026 | 299.6 | 13.1 | 293.1 |
| 05/04/2026 | 314.3 | 14.7 | 303.5 |
| 05/05/2026 | 314.3 | 315.6 | |
| 05/06/2026 | 316.2 | 1.9 | 327.4 |
| 05/07/2026 | 327.2 | 11.0 | 339.0 |
| 05/08/2026 | 339.2 | 12.0 | 349.7 |
| 05/09/2026 | 353.6 | 14.4 | 360.1 |
| 05/10/2026 | 365.3 | 11.7 | 369.9 |
| 05/11/2026 | 383.3 | 18.0 | 378.4 |
| 05/12/2026 | 397.8 | 14.5 | 388.8 |
| 05/13/2026 | 415.8 | 18.0 | 399.1 |
| 05/14/2026 | 433.8 | 18.0 | 411.1 |
| 05/15/2026 | 451.8 | 18.0 | 422.0 |
| 05/16/2026 | 469.8 | 18.0 | 435.3 |
| 05/17/2026 | 480.8 | 10.9 | 448.4 |
| 05/18/2026 | 480.8 | 461.3 | |
| 05/19/2026 | 486.9 | 6.2 | 471.6 |
| 05/20/2026 | 491.0 | 4.1 | 482.5 |
| 05/21/2026 | 493.2 | 2.2 | 494.8 |
| 05/22/2026 | 502.0 | 8.8 | 507.6 |
| 05/23/2026 | 516.9 | 14.9 | 520.5 |
| 05/24/2026 | 534.9 | 18.0 | 533.6 |
| 05/25/2026 | 552.9 | 18.0 | 545.9 |
| 05/26/2026 | 571.1 | 18.3 | 559.3 |
| 05/27/2026 | 585.9 | 14.8 | 573.5 |
| 05/28/2026 | 601.0 | 15.0 | 587.4 |
| 05/29/2026 | 619.9 | 19.0 | 601.8 |
| 05/30/2026 | 637.2 | 17.2 | 615.8 |
| 05/31/2026 | 654.4 | 17.2 | 630.7 |
| 06/01/2026 | 672.6 | 18.2 | 646.9 |
| 06/02/2026 | 692.2 | 19.6 | 663.4 |
| 06/03/2026 | 714.9 | 22.7 | 679.8 |
| 06/04/2026 | 735.0 | 20.2 | 696.3 |
| 06/05/2026 | 755.7 | 20.7 | 712.9 |
| 06/06/2026 | 776.0 | 20.3 | 731.6 |
| 06/07/2026 | 798.1 | 22.1 | 749.7 |
| 06/08/2026 | 819.1 | 21.0 | 767.5 |
| 06/09/2026 | 840.2 | 21.2 | 784.6 |
| 06/10/2026 | 861.9 | 21.7 | 802.8 |
| 06/11/2026 | 875.8 | 13.9 | 819.6 |
| 06/12/2026 | 893.8 | 18.0 | 836.2 |
| 06/13/2026 | 908.5 | 14.6 | 854.0 |
| 06/14/2026 | 917.2 | 8.7 | 873.1 |
| 06/15/2026 | 934.4 | 17.3 | 892.8 |
| 06/16/2026 | 952.4 | 18.0 | 912.5 |
| 06/17/2026 | 977.6 | 25.1 | 931.9 |
| 06/18/2026 | 998.4 | 20.8 | 950.5 |
| 06/19/2026 | 1020.3 | 21.9 | 969.7 |
| 06/20/2026 | 1041.3 | 21.0 | 989.3 |
| 06/21/2026 | 1062.4 | 21.1 | 1009.1 |
| 06/22/2026 | 1078.4 | 16.1 | 1028.3 |
| 06/23/2026 | 1096.1 | 17.6 | 1047.4 |
| 06/24/2026 | 1114.8 | 18.7 | 1067.4 |
| 06/25/2026 | 1125.8 | 11.1 | 1086.1 |
| 06/26/2026 | 1147.4 | 21.5 | 1105.5 |
| 06/27/2026 | 1172.4 | 25.0 | 1125.7 |
| 06/28/2026 | 1197.2 | 24.8 | 1146.2 |
| 06/29/2026 | 1220.5 | 23.2 | 1166.9 |
| 06/30/2026 | 1239.7 | 19.3 | 1186.7 |
| 07/01/2026 | 1260.4 | 20.6 | 1206.9 |
| 07/02/2026 | 1283.9 | 23.5 | 1227.8 |
| 07/03/2026 | 1304.4 | 20.5 | 1249.4 |
| 07/04/2026 | 1326.8 | 22.4 | 1270.5 |
| 07/05/2026 | 1344.9 | 18.2 | 1291.4 |
| 07/06/2026 | 1312.0 | ||
| 07/07/2026 | 1333.1 | ||
| 07/08/2026 | 1354.1 | ||
| 07/09/2026 | 1375.7 | ||
| 07/10/2026 | 1398.0 | ||
| 07/11/2026 | 1420.0 | ||
| 07/12/2026 | 1441.7 | ||
| 07/13/2026 | 1463.7 | ||
| 07/14/2026 | 1486.1 | ||
| 07/15/2026 | 1507.9 | ||
| 07/16/2026 | 1529.3 | ||
| 07/17/2026 | 1551.1 | ||
| 07/18/2026 | 1574.2 | ||
| 07/19/2026 | 1597.6 | ||
| 07/20/2026 | 1620.4 | ||
| 07/21/2026 | 1642.8 | ||
| 07/22/2026 | 1665.4 | ||
| 07/23/2026 | 1687.7 | ||
| 07/24/2026 | 1710.4 | ||
| 07/25/2026 | 1733.0 | ||
| 07/26/2026 | 1754.8 | ||
| 07/27/2026 | 1776.2 | ||
| 07/28/2026 | 1796.9 | ||
| 07/29/2026 | 1817.6 | ||
| 07/30/2026 | 1838.6 | ||
| 07/31/2026 | 1860.5 | ||
| Date | Accum. GDD °F | Daily GDD °F | Historical Avg °F |