| Early Blight Degree Days Worksheet and Late Blight update 2016 | |||||||||||
| Early Blight Threshold = 650 Degree Days | |||||||||||
| The last Date the Degree Days were updated is in bold. | |||||||||||
| Late Blight Update: | |||||||||||
| For Late blight control, based on the timing of the disease threshold from previous years, conditions favorable for late | |||||||||||
| blight are typically reached around the 15th of July. | |||||||||||
| Fungicide applications for control of late blight should be made prior to row closure and at least one to two weeks prior | |||||||||||
| to July 15th. For current late blight updates, please continue to check this webpage throughout the summer. | |||||||||||
| Early Blight Degree Days Worksheet: | |||||||||||
| Degree Day Formula: If max temp. >45F then DD = ((max temp.+ min. temp.)/2)-45 | |||||||||||
| Early Blight Threshold = 650 Degree Days | The EB Degree Days were last updated on: | August 17, 2016 | |||||||||
| 2016 | |||||||||||
| Degree | Degree | ||||||||||
| above | Days | Days | 30 yr avg. | 30 yr avg. | |||||||
| Date | High temp | Low temp | 45 | D-days | positive | Cumulative | 2015 | positive | Cumulative | ||
| 5/5/2016 | 71.9 | 33.5 | 1 | 7.7 | 7.7 | 7.7 | 0.0 | 2.6 | 2.6 | ||
| 5/6/2016 | 73.8 | 35.4 | 1 | 9.6 | 9.6 | 17.3 | 4.3 | 2.2 | 4.8 | ||
| 5/7/2016 | 57.2 | 32.8 | 1 | 0.0 | 0.0 | 17.3 | 9.0 | 2.5 | 7.2 | ||
| 5/8/2016 | 55.8 | 27.3 | 1 | -3.5 | 0.0 | 17.3 | 14.2 | 2.9 | 10.1 | ||
| 5/9/2016 | 62.9 | 37.7 | 1 | 5.3 | 5.3 | 22.6 | 14.2 | 3.8 | 13.9 | ||
| 5/10/2016 | 66.2 | 31.5 | 1 | 3.9 | 3.9 | 26.5 | 14.2 | 4.0 | 17.9 | ||
| 5/11/2016 | 53.3 | 33.4 | 1 | -1.7 | 0.0 | 26.5 | 14.2 | 4.8 | 22.6 | ||
| 5/12/2016 | 67.4 | 29.4 | 1 | 3.4 | 3.4 | 29.9 | 19.6 | 3.7 | 26.3 | ||
| 5/13/2016 | 73.3 | 32.8 | 1 | 8.1 | 8.1 | 37.9 | 25.5 | 3.7 | 30.0 | ||
| 5/14/2016 | 73.1 | 36.7 | 1 | 9.9 | 9.9 | 47.8 | 30.3 | 4.7 | 34.7 | ||
| 5/15/2016 | 66.5 | 38.2 | 1 | 7.4 | 7.4 | 55.2 | 30.3 | 5.6 | 40.3 | ||
| 5/16/2016 | 58.3 | 33.9 | 1 | 1.1 | 1.1 | 56.3 | 30.3 | 5.2 | 45.5 | ||
| 5/17/2016 | 52.9 | 33.7 | 1 | -1.7 | 0.0 | 56.3 | 30.3 | 4.8 | 50.3 | ||
| 5/18/2016 | 57.1 | 38.1 | 1 | 2.6 | 2.6 | 58.9 | 34.6 | 6.3 | 56.6 | ||
| 5/19/2016 | 62.5 | 38.2 | 1 | 5.4 | 5.4 | 64.2 | 35.3 | 6.2 | 62.8 | ||
| 5/20/2016 | 69.9 | 35.2 | 1 | 7.6 | 7.6 | 71.8 | 38.2 | 7.1 | 69.9 | ||
| 5/21/2016 | 73.5 | 36.9 | 1 | 10.2 | 10.2 | 82.0 | 44.4 | 7.2 | 77.1 | ||
| 5/22/2016 | 68.4 | 40.9 | 1 | 9.7 | 9.7 | 91.6 | 49.7 | 7.9 | 85.0 | ||
| 5/23/2016 | 66.8 | 32.1 | 1 | 4.5 | 4.5 | 96.1 | 52.0 | 7.6 | 92.6 | ||
| 5/24/2016 | 68.6 | 32.1 | 1 | 5.3 | 5.3 | 101.4 | 52.0 | 7.6 | 100.2 | ||
| 5/25/2016 | 67.0 | 38.2 | 1 | 7.6 | 7.6 | 109.0 | 55.5 | 7.4 | 107.5 | ||
| 5/26/2016 | 61.8 | 32.3 | 1 | 2.1 | 2.1 | 111.1 | 60.3 | 8.3 | 115.8 | ||
| 5/27/2016 | 58.5 | 31.8 | 1 | 0.1 | 0.1 | 111.2 | 68.3 | 8.6 | 124.4 | ||
| 5/28/2016 | 62.2 | 30.8 | 1 | 1.5 | 1.5 | 112.7 | 76.9 | 8.3 | 132.7 | ||
| 5/29/2016 | 66.5 | 36.9 | 1 | 6.7 | 6.7 | 119.4 | 83.5 | 8.2 | 140.9 | ||
| 5/30/2016 | 73.1 | 38.5 | 1 | 10.8 | 10.8 | 130.2 | 92.4 | 8.9 | 149.8 | ||
| 5/31/2016 | 72.4 | 40.4 | 1 | 11.4 | 11.4 | 141.6 | 105.7 | 9.2 | 159.0 | ||
| 6/1/2016 | 71.1 | 38.9 | 1 | 10.0 | 10.0 | 151.6 | 119.1 | 8.5 | 167.4 | ||
| 6/2/2016 | 76.2 | 37.3 | 1 | 11.8 | 11.8 | 163.4 | 133.1 | 8.6 | 176.0 | ||
| 6/3/2016 | 79.3 | 40.1 | 1 | 14.7 | 14.7 | 178.1 | 146.9 | 9.2 | 185.2 | ||
| 6/4/2016 | 80.5 | 44.0 | 1 | 17.3 | 17.3 | 195.3 | 162.0 | 10.0 | 195.2 | ||
| 6/5/2016 | 79.1 | 42.4 | 1 | 15.8 | 15.8 | 211.1 | 174.6 | 11.2 | 206.4 | ||
| 6/6/2016 | 76.1 | 42.7 | 1 | 14.4 | 14.4 | 225.5 | 187.6 | 11.7 | 218.0 | ||
| 6/7/2016 | 81.2 | 39.8 | 1 | 15.5 | 15.5 | 241.0 | 199.1 | 11.0 | 229.0 | ||
| 6/8/2016 | 76.4 | 38.0 | 1 | 12.2 | 12.2 | 253.2 | 212.9 | 11.0 | 240.0 | ||
| 6/9/2016 | 84.1 | 39.6 | 1 | 16.9 | 16.9 | 270.0 | 230.4 | 11.0 | 251.0 | ||
| 6/10/2016 | 83.8 | 41.1 | 1 | 17.5 | 17.5 | 287.5 | 247.5 | 10.9 | 261.8 | ||
| 6/11/2016 | 79.9 | 43.3 | 1 | 16.6 | 16.6 | 304.1 | 263.1 | 11.7 | 273.5 | ||
| 6/12/2016 | 81.3 | 47.5 | 1 | 19.4 | 19.4 | 323.5 | 277.7 | 12.6 | 286.1 | ||
| 6/13/2016 | 79.1 | 42.7 | 1 | 15.9 | 15.9 | 339.4 | 292.6 | 13.3 | 299.3 | ||
| 6/14/2016 | 76.6 | 36.1 | 1 | 11.4 | 11.4 | 350.7 | 304.9 | 13.7 | 313.0 | ||
| 6/15/2016 | 80.9 | 38.7 | 1 | 14.8 | 14.8 | 365.5 | 318.3 | 13.4 | 326.4 | ||
| 6/16/2016 | 79.2 | 40.3 | 1 | 14.8 | 14.8 | 380.3 | 333.1 | 13.6 | 340.0 | ||
| 6/17/2016 | 83.7 | 44.4 | 1 | 19.1 | 19.1 | 399.3 | 350.3 | 13.7 | 353.7 | ||
| 6/18/2016 | 86.9 | 45.3 | 1 | 21.1 | 21.1 | 420.4 | 368.7 | 14.7 | 368.4 | ||
| 6/19/2016 | 90.0 | 40.6 | 1 | 20.3 | 20.3 | 440.7 | 388.9 | 14.1 | 382.3 | ||
| 6/20/2016 | 89.8 | 47.2 | 1 | 23.5 | 23.5 | 464.2 | 410.0 | 15.4 | 397.7 | ||
| 6/21/2016 | 83.1 | 47.1 | 1 | 20.1 | 20.1 | 484.3 | 432.9 | 16.1 | 413.8 | ||
| 6/22/2016 | 83.2 | 48.2 | 1 | 20.7 | 20.7 | 505.0 | 455.2 | 16.1 | 429.9 | ||
| 6/23/2016 | 80.4 | 45.8 | 1 | 18.1 | 18.1 | 523.1 | 477.6 | 16.2 | 446.0 | ||
| 6/24/2016 | 76.2 | 47.5 | 1 | 16.9 | 16.9 | 540.0 | 500.5 | 15.8 | 461.8 | ||
| 6/25/2016 | 77.0 | 50.6 | 1 | 18.8 | 18.8 | 558.8 | 519.9 | 16.1 | 477.9 | ||
| 6/26/2016 | 82.0 | 46.5 | 1 | 19.3 | 19.3 | 578.0 | 542.7 | 15.9 | 493.8 | ||
| 6/27/2016 | 85.2 | 44.5 | 1 | 19.9 | 19.9 | 597.9 | 565.0 | 17.8 | 510.4 | ||
| 6/28/2016 | 77.8 | 43.1 | 1 | 15.5 | 15.5 | 613.3 | 583.8 | 17.2 | 528.2 | ||
| 6/29/2016 | 78.8 | 43.1 | 1 | 16.0 | 16.0 | 629.3 | 604.6 | 17.2 | 545.4 | ||
| 6/30/2016 | 77.5 | 45.1 | 1 | 16.3 | 16.3 | 645.6 | 628.8 | 17.1 | 562.5 | ||
| 7/1/2016 | 71.1 | 52.5 | 1 | 16.8 | 16.8 | 662.4 | 652.6 | 17.5 | 580.0 | ||
| 7/2/2016 | 68.6 | 47.1 | 1 | 12.9 | 12.9 | 675.2 | 673.2 | 17.9 | 597.9 | ||
| 7/3/2016 | 75.6 | 47.5 | 1 | 16.6 | 16.6 | 691.8 | 690.2 | 18.1 | 616.0 | ||
| 7/4/2016 | 79.3 | 42.1 | 1 | 15.7 | 15.7 | 707.5 | 709.5 | 17.7 | 633.6 | ||
| 7/5/2016 | 84.6 | 43.6 | 1 | 19.1 | 19.1 | 726.6 | 730.5 | 18.1 | 651.7 | ||
| 7/6/2016 | 82.2 | 44.9 | 1 | 18.6 | 18.6 | 745.1 | 749.2 | 17.6 | 669.3 | ||
| 7/7/2016 | 85.8 | 45.3 | 1 | 20.6 | 20.6 | 765.7 | 761.5 | 18.2 | 687.4 | ||
| 7/8/2016 | 82.6 | 45.0 | 1 | 18.8 | 18.8 | 784.5 | 770.4 | 18.1 | 705.5 | ||
| 7/9/2016 | 86.0 | 40.4 | 1 | 18.2 | 18.2 | 802.7 | 781.6 | 17.9 | 723.3 | ||
| 7/10/2016 | 83.7 | 47.7 | 1 | 20.7 | 20.7 | 823.4 | 795.5 | 18.8 | 742.1 | ||
| 7/11/2016 | 81.9 | 45.8 | 1 | 18.9 | 18.9 | 842.2 | 811.1 | 18.4 | 760.4 | ||
| 7/12/2016 | 84.2 | 41.5 | 1 | 17.9 | 17.9 | 860.1 | 830.2 | 18.3 | 778.7 | ||
| 7/13/2016 | 84.0 | 39.7 | 1 | 16.9 | 16.9 | 876.9 | 847.9 | 17.9 | 796.6 | ||
| 7/14/2016 | 85.6 | 45.1 | 1 | 20.4 | 20.4 | 897.3 | 862.8 | 18.4 | 815.0 | ||
| 7/15/2016 | 82.4 | 41.7 | 1 | 17.1 | 17.1 | 914.3 | 878.1 | 17.7 | 832.7 | ||
| 7/16/2016 | 85.5 | 39.8 | 1 | 17.7 | 17.7 | 932.0 | 894.2 | 18.1 | 850.7 | ||
| 7/17/2016 | 86.1 | 44.7 | 1 | 20.4 | 20.4 | 952.4 | 908.9 | 18.1 | 868.8 | ||
| 7/18/2016 | 85.0 | 47.8 | 1 | 21.4 | 21.4 | 973.8 | 925.3 | 18.1 | 886.9 | ||
| 7/19/2016 | 81.6 | 53.9 | 1 | 22.8 | 22.8 | 996.5 | 941.8 | 18.4 | 905.3 | ||
| 7/20/2016 | 86.5 | 47.9 | 1 | 22.2 | 22.2 | 1018.7 | 956.9 | 17.6 | 922.9 | ||
| 7/21/2016 | 86.4 | 44.2 | 1 | 20.3 | 20.3 | 1039.0 | 975.2 | 17.7 | 940.6 | ||
| 7/22/2016 | 83.2 | 51.1 | 1 | 22.2 | 22.2 | 1061.2 | 990.9 | 17.8 | 958.3 | ||
| 7/23/2016 | 88.8 | 51.0 | 1 | 24.9 | 24.9 | 1086.1 | 1008.1 | 17.5 | 975.8 | ||
| 7/24/2016 | 83.4 | 50.4 | 1 | 21.9 | 21.9 | 1108.0 | 1026.4 | 17.2 | 993.0 | ||
| 7/25/2016 | 86.9 | 47.4 | 1 | 22.2 | 22.2 | 1130.1 | 1045.7 | 17.8 | 1010.7 | ||
| 7/26/2016 | 80.5 | 49.8 | 1 | 20.2 | 20.2 | 1150.3 | 1063.7 | 17.8 | 1028.5 | ||
| 7/27/2016 | 86.3 | 47.2 | 1 | 21.8 | 21.8 | 1172.0 | 1084.3 | 17.4 | 1045.9 | ||
| 7/28/2016 | 86.6 | 44.9 | 1 | 20.8 | 20.8 | 1192.8 | 1102.5 | 18.1 | 1064.0 | ||
| 7/29/2016 | 85.7 | 46.9 | 1 | 21.3 | 21.3 | 1214.1 | 1119.6 | 18.1 | 1082.1 | ||
| 7/30/2016 | 76.6 | 45.9 | 1 | 16.2 | 16.2 | 1230.3 | 1137.0 | 18.7 | 1100.7 | ||
| 7/31/2016 | 80.0 | 44.9 | 1 | 17.5 | 17.5 | 1247.7 | 1158.1 | 18.0 | 1118.7 | ||
| 8/1/2016 | 82.0 | 49.3 | 1 | 20.7 | 20.7 | 1268.4 | 1158.1 | 18.1 | 1136.8 | ||
| 8/2/2016 | 82.4 | 50.8 | 1 | 21.6 | 21.6 | 1290.0 | 1158.1 | 17.9 | 1154.7 | ||
| 8/3/2016 | 82.4 | 54.5 | 1 | 23.5 | 23.5 | 1313.4 | 1158.1 | 17.1 | 1171.8 | ||
| 8/4/2016 | 75.7 | 52.1 | 1 | 18.9 | 18.9 | 1332.3 | 1158.1 | 17.1 | 1188.8 | ||
| 8/5/2016 | 66.1 | 51.7 | 1 | 13.9 | 13.9 | 1346.2 | 1158.1 | 17.2 | 1206.0 | ||
| 8/6/2016 | 73.9 | 52.1 | 1 | 18.0 | 18.0 | 1364.2 | 1158.1 | 17.2 | 1223.1 | ||
| 8/7/2016 | 78.0 | 49.7 | 1 | 18.9 | 18.9 | 1383.1 | 1158.1 | 17.8 | 1240.9 | ||
| 8/8/2016 | 76.4 | 47.3 | 1 | 16.9 | 16.9 | 1399.9 | 1158.1 | 17.5 | 1258.4 | ||
| 8/9/2016 | 80.2 | 43.8 | 1 | 17.0 | 17.0 | 1416.9 | 1158.1 | 16.8 | 1275.2 | ||
| 8/10/2016 | 77.6 | 49.2 | 1 | 18.4 | 18.4 | 1435.3 | 1158.1 | 16.1 | 1291.3 | ||
| 8/11/2016 | 77.0 | 48.8 | 1 | 17.9 | 17.9 | 1453.2 | 1158.1 | 16.1 | 1307.3 | ||
| 8/12/2016 | 79.1 | 45.8 | 1 | 17.5 | 17.5 | 1470.7 | 1158.1 | 16.6 | 1323.9 | ||
| 8/13/2016 | 75.1 | 44.7 | 1 | 14.9 | 14.9 | 1485.6 | 1158.1 | 16.0 | 1339.9 | ||
| 8/14/2016 | 79.7 | 43.4 | 1 | 16.6 | 16.6 | 1502.1 | 1158.1 | 15.4 | 1355.3 | ||
| 8/15/2016 | 80.3 | 39.6 | 1 | 15.0 | 15.0 | 1517.1 | 1158.1 | 15.6 | 1370.8 | ||
| 8/16/2016 | 0 | 0.0 | 0.0 | 1517.1 | 1158.1 | 16.1 | 1386.9 | ||||
| 8/17/2016 | 0 | 0.0 | 0.0 | 1517.1 | 1158.1 | 16.4 | 1403.3 | ||||
| 8/18/2016 | 0 | 0.0 | 0.0 | 1517.1 | 1158.1 | 16.1 | 1419.4 | ||||
| 8/19/2016 | 0 | 0.0 | 0.0 | 1517.1 | 1158.1 | 16.2 | 1435.6 | ||||
| 8/20/2016 | 0 | 0.0 | 0.0 | 1517.1 | 1158.1 | 15.3 | 1450.9 | ||||
| 8/21/2016 | 0 | 0.0 | 0.0 | 1517.1 | 1158.1 | 15.4 | 1466.3 | ||||
| 8/22/2016 | 0 | 0.0 | 0.0 | 1517.1 | 1158.1 | 15.3 | 1481.6 | ||||
| 8/23/2016 | 0 | 0.0 | 0.0 | 1517.1 | 1158.1 | 15.3 | 1496.9 | ||||
| 8/24/2016 | 0 | 0.0 | 0.0 | 1517.1 | 1158.1 | 15.1 | 1512.0 | ||||
| 8/25/2016 | 0 | 0.0 | 0.0 | 1517.1 | 1158.1 | 14.9 | 1526.9 | ||||
| 8/26/2016 | 0 | 0.0 | 0.0 | 1517.1 | 1158.1 | 14.4 | 1541.3 | ||||
| 8/27/2016 | 0 | 0.0 | 0.0 | 1517.1 | 1158.1 | 14.7 | 1556.0 | ||||
| 8/28/2016 | 0 | 0.0 | 0.0 | 1517.1 | 1158.1 | 14.8 | 1570.8 | ||||
| 8/29/2016 | 0 | 0.0 | 0.0 | 1517.1 | 1158.1 | 14.5 | 1585.3 | ||||
| 8/30/2016 | 0 | 0.0 | 0.0 | 1517.1 | 1158.1 | 13.9 | 1599.2 | ||||
| 8/31/2016 | 0 | 0.0 | 0.0 | 1517.1 | 1158.1 | 13.5 | 1612.7 | ||||
| To hear the disease phone message report call (719)754-3494 ext. 39 | |||||||||||
| If you have any questions please contact Rob Davidson, (719)754-3496 or | |||||||||||
| Andrew Houser (719)754-3494 ext. 26 | |||||||||||