Online Phenology Models and Degree-day Calculator
eggsearly instarimmatureadult
Lygus bug [alfalfa seed]
insect model of Ben Simko 2000


Output from uspest.org/wea insect degree-day/phenology model program:
	Heat Units and predictions of key events from daily weather data
==============================MODEL INPUTS================================ Model species/general links: Lygus bug [alfalfa seed] Type: insect Model source/other links: Ben Simko 2000 Calculation method: single sine Lower threshold: 52 degrees Fahrenheit Setting upper threshold to: 130 F (default) Directions for starting/BIOFIX: calendar date No starting/BIOFIX date, set to: default date 1 1 No ending date, set to: default date 12 31 Model validation status: partly validated Region of known use: E. Oregon, SW Idaho ==============================EVENTS TABLE================================ 1. 275 DD after biofix peak 1st and 2nd instars nymphs ==============================MODEL OUTPUT================================ Weather station: 2017 UP228 UPR PARMA ID Lat43.7586 Long-116.8969 Elev:2248 mn day max min precip DD52 CUMDD52 event -- --- ----- ----- ------ ---- ------- ------- 1 1 18.00 5.00 0.00 0.00 0.0 * START * 1 2 21.00 5.00 0.00 0.00 0.0 1 3 23.00 12.00 0.00 0.00 0.0 1 4 27.00 9.00 0.00 0.00 0.0 1 5 19.00 -17.00 0.00 0.00 0.0 1 6 -4.00 -26.00 0.00 0.00 0.0 1 7 7.00 -26.00 0.00 0.00 0.0 1 8 70.00 9.00 0.00 4.29 4.3 1 9 88.00 28.00 0.00 12.74 17.0 1 10 46.00 33.20 0.00 0.00 17.0 Vn 1 11 41.00 -2.00 0.00 0.00 17.0 Vx 1 12 23.00 3.00 0.00 0.00 17.0 1 13 14.00 -8.00 0.00 0.00 17.0 1 14 16.00 10.00 0.00 0.00 17.0 1 15 10.00 -4.00 0.00 0.00 17.0 1 16 3.00 -13.00 0.00 0.00 17.0 1 17 3.00 -11.00 0.00 0.00 17.0 1 18 30.00 -11.00 0.00 0.00 17.0 *Warning: using yesterdays min* 1 19 52.00 23.00 0.00 0.00 17.0 1 20 39.00 25.00 0.00 0.00 17.0 1 21 34.00 30.00 0.00 0.00 17.0 1 22 36.00 21.00 0.00 0.00 17.0 1 23 36.00 19.00 0.00 0.00 17.0 1 24 30.00 16.00 0.00 0.00 17.0 1 25 27.00 14.00 0.00 0.00 17.0 1 26 25.00 7.00 0.00 0.00 17.0 1 27 19.00 9.00 0.00 0.00 17.0 1 28 19.00 16.00 0.00 0.00 17.0 1 29 21.00 7.00 0.00 0.00 17.0 1 30 18.00 1.00 0.00 0.00 17.0 1 31 19.00 12.00 0.00 0.00 17.0 2 1 27.00 18.00 0.00 0.00 17.0 2 2 25.00 16.00 0.00 0.00 17.0 2 3 30.00 23.00 0.00 0.00 17.0 2 4 37.00 19.00 0.00 0.00 17.0 2 5 41.00 32.00 0.00 0.00 17.0 2 6 43.00 34.00 0.00 0.00 17.0 2 7 37.00 3.00 0.00 0.00 17.0 2 8 34.00 3.00 0.00 0.00 17.0 *Warning: using yesterdays min* 2 9 39.00 -44.00 0.00 0.00 17.0 2 10 41.00 32.00 0.00 0.00 17.0 2 11 37.00 21.00 0.00 0.00 17.0 2 12 28.00 10.00 0.00 0.00 17.0 2 13 28.00 10.00 0.00 0.00 17.0 2 14 27.00 7.00 0.00 0.00 17.0 2 15 30.00 12.00 0.00 0.00 17.0 2 16 50.00 27.00 0.00 0.00 17.0 2 17 39.00 30.00 0.00 0.00 17.0 2 18 45.00 19.00 0.00 0.00 17.0 2 19 39.00 27.00 0.00 0.00 17.0 2 20 52.00 32.00 0.00 0.00 17.0 2 21 52.00 36.00 0.00 0.00 17.0 2 22 36.00 28.00 0.00 0.00 17.0 2 23 32.00 27.00 0.00 0.00 17.0 2 24 34.00 19.00 0.00 0.00 17.0 2 25 39.00 16.00 0.00 0.00 17.0 2 26 36.00 23.00 0.00 0.00 17.0 2 27 39.00 23.00 0.00 0.00 17.0 2 28 39.00 28.00 0.00 0.00 17.0 3 1 46.00 25.00 0.00 0.00 17.0 3 2 45.00 21.00 0.00 0.00 17.0 3 3 50.00 25.00 0.00 0.00 17.0 3 4 50.00 36.00 0.00 0.00 17.0 3 5 45.00 28.00 0.00 0.00 17.0 3 6 39.00 33.20 0.00 0.00 17.0 Vn 3 7 43.00 27.00 0.00 0.00 17.0 3 8 59.00 36.00 0.00 1.69 18.7 3 9 57.00 36.00 0.00 1.06 19.8 *Warning: using yesterdays min* 3 10 61.00 36.00 0.00 2.39 22.2 3 11 57.00 27.00 0.00 0.88 23.1 3 12 59.00 32.00 0.00 1.56 24.6 3 13 63.00 30.00 0.00 2.80 27.4 3 14 68.00 37.00 0.00 5.19 32.6 3 15 64.00 34.00 0.00 3.37 36.0 3 16 57.00 41.00 0.00 1.23 37.2 3 17 68.00 39.00 0.00 5.39 42.6 3 18 61.00 41.00 0.00 2.70 45.3 3 19 55.00 41.00 0.00 0.60 45.9 3 20 63.00 43.00 0.00 3.70 49.6 3 21 57.00 43.00 0.00 1.32 50.9 *Warning: using yesterdays min* 3 22 59.00 37.00 0.00 1.74 52.6 3 23 54.00 32.00 0.00 0.26 52.9 3 24 50.00 36.00 0.00 0.00 52.9 3 25 54.00 30.00 0.00 0.25 53.1 3 26 52.00 30.00 0.00 0.00 53.1 3 27 54.00 36.00 0.00 0.29 53.4 3 28 54.00 28.00 0.00 0.24 53.7 3 29 57.00 34.00 0.00 1.01 54.7 3 30 75.00 34.00 0.00 7.82 62.5 *Warning: using yesterdays min* 3 31 57.00 36.00 0.00 1.06 63.6 4 1 61.00 34.00 0.00 2.29 65.8 4 2 57.00 36.00 0.00 1.06 66.9 4 3 48.00 28.00 0.00 0.00 66.9 4 4 62.40 34.80 0.00 2.83 69.7 Hx Hn 4 5 68.00 44.70 0.00 6.14 75.9 Vn 4 6 59.00 46.00 0.00 2.33 78.2 4 7 63.00 39.00 0.00 3.33 81.5 4 8 45.00 32.00 0.00 0.00 81.5 4 9 52.00 27.00 0.00 0.00 81.5 4 10 57.00 37.00 0.00 1.09 82.6 4 11 54.00 28.00 0.00 0.24 82.9 4 12 68.00 37.00 0.00 5.19 88.1 4 13 52.00 37.00 0.00 0.00 88.1 4 14 45.00 30.00 0.00 0.00 88.1 4 15 52.00 25.00 0.00 0.00 88.1 4 16 66.00 28.00 0.00 3.76 91.8 4 17 63.00 43.00 0.00 3.70 95.5 4 18 59.00 43.00 0.00 2.07 97.6 4 19 63.00 34.00 0.00 3.00 100.6 4 20 55.00 39.00 0.00 0.56 101.1 4 21 63.00 36.80 0.00 3.17 104.3 Vn 4 22 66.00 34.00 0.00 4.13 108.4 4 23 64.00 43.00 0.00 4.13 112.6 4 24 59.00 39.00 0.00 1.83 114.4 4 25 57.00 34.00 0.00 1.01 115.4 4 26 52.00 39.00 0.00 0.00 115.4 4 27 52.00 40.40 0.00 0.00 115.4 Vn 4 28 54.00 41.40 0.00 0.34 115.8 Vn 4 29 61.00 41.40 0.00 2.73 118.5 *Warning: using yesterdays min* 4 30 63.00 39.00 0.00 3.33 121.8 5 1 59.00 34.00 0.00 1.62 123.4 5 2 63.00 34.00 0.00 3.00 126.4 *Warning: using yesterdays min* 5 3 70.00 34.00 0.00 5.73 132.2 *Warning: using yesterdays min* 5 4 82.00 34.00 0.00 10.88 143.0 *Warning: using yesterdays min* 5 5 77.00 57.00 0.00 15.00 158.0 5 6 52.00 45.00 0.00 0.00 158.0 5 7 61.00 37.00 0.00 2.44 160.5 5 8 66.00 36.00 0.00 4.29 164.8 5 9 72.00 46.80 0.00 8.42 173.2 Vn 5 10 79.00 41.00 0.00 10.59 183.8 5 11 81.00 46.00 0.00 12.57 196.4 5 12 46.00 41.20 0.00 0.00 196.4 Pn 5 13 54.00 28.00 0.00 0.24 196.6 5 14 59.00 30.00 0.00 1.50 198.1 5 15 63.00 34.00 0.00 3.00 201.1 5 16 48.00 36.00 0.00 0.00 201.1 5 17 48.00 36.00 0.00 0.00 201.1 *Warning: using yesterdays min* 5 18 68.00 36.00 0.00 5.09 206.2 *Warning: using yesterdays min* 5 19 70.00 43.00 0.00 6.79 213.0 5 20 72.00 45.00 0.00 8.06 221.0 5 21 75.00 45.00 0.00 9.47 230.5 *Warning: using yesterdays min* 5 22 81.00 46.00 0.00 12.57 243.1 5 23 84.00 46.00 0.00 14.03 257.1 5 24 70.00 48.00 0.00 7.74 264.8 5 25 66.00 39.00 0.00 4.55 269.4 5 26 72.00 43.00 0.00 7.70 277.1 peak 1st and 2nd instars nymphs 5 27 77.00 41.00 0.00 9.67 286.8 5 28 82.00 46.60 0.00 13.21 300.0 Pn 5 29 86.00 46.00 0.00 15.00 315.0 5 30 91.00 50.00 0.00 18.69 333.7 5 31 81.00 59.00 0.00 18.00 351.7 6 1 68.00 54.00 0.00 9.00 360.7 6 2 81.00 48.00 0.00 13.10 373.8 6 3 82.00 52.00 0.00 15.00 388.8 6 4 81.00 54.00 0.00 15.50 404.3 6 5 72.00 45.00 0.00 8.06 412.3 6 6 84.00 43.00 0.00 13.33 425.6 6 7 88.00 50.00 0.00 17.20 442.8 6 8 72.00 52.00 0.00 10.00 452.8 6 9 68.00 46.00 0.00 6.37 459.2 6 10 63.00 45.00 0.00 3.94 463.1 6 11 66.00 39.00 0.00 4.55 467.7 6 12 59.00 46.00 0.00 2.33 470.0 6 13 68.00 45.00 0.00 6.19 476.2 6 14 73.00 43.00 0.00 8.16 484.4 6 15 73.00 48.00 0.00 9.19 493.6 6 16 72.00 57.00 0.00 12.50 506.1 6 17 73.00 50.00 0.00 9.75 515.8 6 18 81.00 50.00 0.00 13.72 529.5 6 19 91.00 55.00 0.00 21.00 550.5 6 20 91.00 63.00 0.00 25.00 575.5 6 21 81.00 57.00 0.00 17.00 592.5 6 22 77.00 50.00 0.00 11.73 604.3 6 23 82.00 46.00 0.00 13.06 617.3 6 24 90.00 52.00 0.00 19.00 636.3 6 25 93.00 50.00 0.00 19.68 656.0 6 26 90.00 55.00 0.00 20.50 676.5 6 27 88.00 57.00 0.00 20.50 697.0 6 28 82.00 59.00 0.00 18.50 715.5 6 29 81.00 54.00 0.00 15.50 731.0 6 30 86.00 48.00 0.00 15.56 746.6 7 1 91.00 50.00 0.00 18.69 765.3 7 2 93.00 61.00 0.00 25.00 790.3 7 3 91.00 59.00 0.00 23.00 813.3 7 4 93.00 54.00 0.00 21.50 834.8 7 5 97.00 59.00 0.00 26.00 860.8 7 6 100.00 57.00 0.00 26.50 887.3 7 7 100.00 59.00 0.00 27.50 914.8 7 8 102.00 61.00 0.00 29.50 944.3 7 9 102.00 63.00 0.00 30.50 974.8 7 10 93.00 63.00 0.00 26.00 1000.8 7 11 84.00 57.00 0.00 18.50 1019.3 7 12 97.00 52.00 0.00 22.50 1041.8 7 13 95.00 59.00 0.00 25.00 1066.8 7 14 100.00 59.00 0.00 27.50 1094.3 7 15 95.00 61.00 0.00 26.00 1120.3 7 16 88.00 61.00 0.00 22.50 1142.8 7 17 88.00 54.00 0.00 19.00 1161.8 7 18 91.00 55.00 0.00 21.00 1182.8 7 19 93.00 59.00 0.00 24.00 1206.8 7 20 90.00 55.00 0.00 20.50 1227.3 7 21 90.00 55.00 0.00 20.50 1247.8 7 22 93.00 55.00 0.00 22.00 1269.8 7 23 95.00 55.00 0.00 23.00 1292.8 7 24 93.00 63.00 0.00 26.00 1318.8 7 25 91.00 66.00 0.00 26.50 1345.3 7 26 88.00 64.00 0.00 24.00 1369.3 7 27 91.00 59.00 0.00 23.00 1392.3 7 28 93.00 57.00 0.00 23.00 1415.3 7 29 95.00 55.00 0.00 23.00 1438.3 7 30 97.00 59.00 0.00 26.00 1464.3 7 31 99.00 57.00 0.00 26.00 1490.3 8 1 95.00 59.00 0.00 25.00 1515.3 8 2 99.00 55.00 0.00 25.00 1540.3 8 3 99.00 57.00 0.00 26.00 1566.3 8 4 95.00 54.00 0.00 22.50 1588.8 8 5 91.00 57.00 0.00 22.00 1610.8 8 6 86.00 59.00 0.00 20.50 1631.3 8 7 86.00 61.00 0.00 21.50 1652.8 8 8 93.00 54.00 0.00 21.50 1674.3 8 9 93.00 57.00 0.00 23.00 1697.3 8 10 91.00 55.00 0.00 21.00 1718.3 8 11 95.00 55.00 0.00 23.00 1741.3 8 12 91.00 57.00 0.00 22.00 1763.3 8 13 77.00 57.00 0.00 15.00 1778.3 8 14 77.00 54.00 0.00 13.50 1791.8 8 15 84.00 46.00 0.00 14.03 1805.8 8 16 86.00 54.00 0.00 18.00 1823.8 8 17 86.00 54.00 0.00 18.00 1841.8 8 18 90.00 50.00 0.00 18.19 1860.0 8 19 84.00 54.00 0.00 17.00 1877.0 8 20 82.00 52.00 0.00 15.00 1892.0 8 21 84.00 52.00 0.00 16.00 1908.0 8 22 91.00 48.00 0.00 18.02 1926.0
DD accumulation on 8-22-17: 1926QA 93% ok - OK - 7% of data estimated    
  
This year is about  versus  QA
 4 days ahead 2016 ok
 9 days behind 2015 ok
 8 days behind 30-yr normal ok
Forecast using: NWS NDFD 7-day Forecast data
  8 23  90.00 65.00  0.00  25.50   1951.5  Partly_Cloudy_8%_precip    
  8 24  87.00 64.00  0.00  23.50   1975.0  Partly_Cloudy_18%_precip    
  8 25  87.00 60.00  0.00  21.50   1996.5  Sunny_23%_precip    
  8 26  90.00 60.00  0.00  23.00   2019.5  Sunny_2%_precip    
  8 27  92.00 60.00  0.00  24.00   2043.5  Sunny    
  8 28  93.00 62.00  0.00  25.50   2069.0  Sunny_2%_precip    
  8 29  92.00 62.00  0.00  25.00   2094.0  Sunny_2%_precip    
Forecast using: 10 yr Hist Avg UP228 2006-2015
  8 30  89.00 53.60  0.01  19.30   2113.3  *hist_fcst*    
  8 31  85.20 51.60  0.00  16.42   2129.7  *hist_fcst*    
  9  1  82.80 50.40  0.01  14.75   2144.5  *hist_fcst*    
  9  2  85.20 49.30  0.00  15.57   2160.0  *hist_fcst*    
  9  3  87.30 50.00  0.01  16.85   2176.9  *hist_fcst*    
  9  4  86.10 49.80  0.02  16.18   2193.1  *hist_fcst*    
  9  5  86.20 50.20  0.01  16.37   2209.4  *hist_fcst*    
  9  6  82.90 49.00  0.04  14.33   2223.8  *hist_fcst*    
  9  7  83.40 48.10  0.00  14.31   2238.1  *hist_fcst*    
  9  8  84.70 47.20  0.00  14.69   2252.8  *hist_fcst*    
  9  9  83.80 48.60  0.00  14.65   2267.4  *hist_fcst*    
  9 10  84.70 48.60  0.00  15.10   2282.5  *hist_fcst*    
  9 11  84.70 47.50  0.00  14.77   2297.3  *hist_fcst*    
  9 12  86.10 47.10  0.00  15.35   2312.6  *hist_fcst*    
  9 13  87.20 49.60  0.00  16.66   2329.3  *hist_fcst*    
  9 14  87.70 49.90  0.00  17.01   2346.3  *hist_fcst*    
  9 15  83.90 49.00  0.02  14.83   2361.1  *hist_fcst*    
  9 16  83.30 50.00  0.03  14.86   2376.0  *hist_fcst*    
  9 17  82.40 49.80  0.00  14.34   2390.3  *hist_fcst*    
  9 18  79.70 47.50  0.01  12.32   2402.6  *hist_fcst*    
  9 19  80.40 47.60  0.00  12.69   2415.3  *hist_fcst*    
  9 20  78.80 47.10  0.06  11.78   2427.1  *hist_fcst*    
  9 21  77.50 44.90  0.09  10.64   2437.8  *hist_fcst*    
  9 22  76.40 46.20  0.00  10.40   2448.2  *hist_fcst*    
  9 23  76.20 45.60  0.07  10.17   2458.3  *hist_fcst*    
  9 24  77.40 44.70  0.01  10.55   2468.9  *hist_fcst*    
  9 25  79.80 43.90  0.03  11.52   2480.4  *hist_fcst*    
  9 26  80.20 44.60  0.00  11.86   2492.3  *hist_fcst*    
  9 27  79.50 45.40  0.01  11.71   2504.0  *hist_fcst*    
  9 28  79.90 45.40  0.01  11.90   2515.9  *hist_fcst*    
  9 29  79.10 44.80  0.04  11.38   2527.3  *hist_fcst*    
  9 30  76.10 43.60  0.06   9.71   2537.0  *hist_fcst*    
 10  1  76.70 43.80  0.04  10.03   2547.0  *hist_fcst*    
 10  2  75.60 44.40  0.01   9.63   2556.6  *hist_fcst*    
 10  3  73.80 43.10  0.00   8.55   2565.2  *hist_fcst*    
 10  4  70.10 43.30  0.05   6.88   2572.1  *hist_fcst*    
 10  5  66.60 40.90  0.04   5.00   2577.1  *hist_fcst*    
 10  6  67.80 39.60  0.04   5.37   2582.4  *hist_fcst*    
 10  7  68.60 40.70  0.00   5.85   2588.3  *hist_fcst*    
 10  8  70.50 39.60  0.00   6.54   2594.8  *hist_fcst*    
 10  9  69.00 39.10  0.00   5.83   2600.6  *hist_fcst*    
 10 10  70.10 39.20  0.00   6.32   2607.0  *hist_fcst*    
 10 11  66.20 38.20  0.06   4.56   2611.5  *hist_fcst*    
 10 12  65.00 36.00  0.00   3.89   2615.4  *hist_fcst*    
 10 13  65.80 36.00  0.00   4.21   2619.6  *hist_fcst*    
 10 14  69.00 37.50  0.02   5.65   2625.3  *hist_fcst*    
 10 15  72.10 40.30  0.01   7.34   2632.6  *hist_fcst*    
 10 16  68.30 40.40  0.05   5.68   2638.3  *hist_fcst*    
 10 17  65.90 37.90  0.04   4.41   2642.7  *hist_fcst*    
 10 18  66.60 35.80  0.02   4.51   2647.2  *hist_fcst*    
 10 19  66.60 38.10  0.07   4.71   2651.9  *hist_fcst*    
 10 20  65.10 38.50  0.05   4.13   2656.0  *hist_fcst*    
 10 21  66.80 36.10  0.02   4.61   2660.7  *hist_fcst*    
 10 22  63.10 33.80  0.00   3.03   2663.7  *hist_fcst*    
 10 23  63.80 34.70  0.03   3.34   2667.0  *hist_fcst*    
 10 24  63.30 35.80  0.06   3.22   2670.2  *hist_fcst*    
 10 25  61.00 34.90  0.04   2.33   2672.6  *hist_fcst*    
 10 26  60.20 34.00  0.00   2.02   2674.6  *hist_fcst*    
 10 27  58.80 30.90  0.00   1.46   2676.1  *hist_fcst*    
 10 28  57.80 30.60  0.03   1.16   2677.2  *hist_fcst*    
 10 29  57.30 33.00  0.06   1.08   2678.3  *hist_fcst*    
 10 30  60.20 34.00  0.01   2.02   2680.3  *hist_fcst*    
 10 31  60.10 32.90  0.01   1.94   2682.2  *hist_fcst*    
 11  1  59.50 34.40  0.01   1.80   2684.0  *hist_fcst*    
 11  2  58.10 32.60  0.07   1.30   2685.3  *hist_fcst*    
 11  3  56.80 32.10  0.01   0.92   2686.3  *hist_fcst*    
 11  4  55.80 34.20  0.03   0.69   2686.9  *hist_fcst*    
 11  5  55.30 31.70  0.02   0.53   2687.5  *hist_fcst*    
 11  6  55.10 32.60  0.01   0.50   2688.0  *hist_fcst*    
 11  7  56.60 34.80  0.01   0.92   2688.9  *hist_fcst*    
 11  8  57.30 33.10  0.04   1.08   2690.0  *hist_fcst*    
 11  9  53.30 30.10  0.01   0.13   2690.1  *hist_fcst*    
 11 10  51.20 29.10  0.03   0.00   2690.1  *hist_fcst*    
 11 11  51.50 29.30  0.01   0.00   2690.1  *hist_fcst*    
 11 12  48.40 28.10  0.05   0.00   2690.1  *hist_fcst*    
 11 13  48.30 29.80  0.03   0.00   2690.1  *hist_fcst*    
 11 14  49.10 28.80  0.05   0.00   2690.1  *hist_fcst*    
 11 15  47.90 26.70  0.01   0.00   2690.1  *hist_fcst*    
 11 16  48.30 27.50  0.02   0.00   2690.1  *hist_fcst*    
 11 17  47.80 28.60  0.03   0.00   2690.1  *hist_fcst*    
 11 18  50.90 30.50  0.03   0.00   2690.1  *hist_fcst*    
 11 19  48.80 28.70  0.02   0.00   2690.1  *hist_fcst*    
 11 20  46.10 30.20  0.06   0.00   2690.1  *hist_fcst*    
 11 21  47.60 28.60  0.01   0.00   2690.1  *hist_fcst*    
 11 22  46.40 26.40  0.03   0.00   2690.1  *hist_fcst*    
 11 23  44.70 26.20  0.02   0.00   2690.1  *hist_fcst*    
 11 24  44.30 23.50  0.00   0.00   2690.1  *hist_fcst*    
 11 25  42.50 25.60  0.07   0.00   2690.1  *hist_fcst*    
 11 26  44.10 23.00  0.01   0.00   2690.1  *hist_fcst*    
 11 27  43.30 24.00  0.01   0.00   2690.1  *hist_fcst*    
 11 28  41.90 24.40  0.04   0.00   2690.1  *hist_fcst*    
 11 29  42.80 22.50  0.00   0.00   2690.1  *hist_fcst*    
 11 30  43.70 22.80  0.00   0.00   2690.1  *hist_fcst*    
 12  1  40.80 24.60  0.06   0.00   2690.1  *hist_fcst*    
 12  2  42.30 25.60  0.04   0.00   2690.1  *hist_fcst*    
 12  3  44.90 24.80  0.05   0.00   2690.1  *hist_fcst*    
 12  4  42.70 25.80  0.03   0.00   2690.1  *hist_fcst*    
 12  5  43.10 23.80  0.02   0.00   2690.1  *hist_fcst*    
 12  6  41.90 23.10  0.00   0.00   2690.1  *hist_fcst*    
 12  7  41.60 23.20  0.06   0.00   2690.1  *hist_fcst*    
 12  8  39.60 21.30  0.05   0.00   2690.1  *hist_fcst*    
 12  9  38.60 19.90  0.00   0.00   2690.1  *hist_fcst*    
 12 10  38.20 19.60  0.01   0.00   2690.1  *hist_fcst*    
 12 11  39.40 19.80  0.03   0.00   2690.1  *hist_fcst*    
 12 12  37.80 21.90  0.03   0.00   2690.1  *hist_fcst*    
 12 13  39.70 25.40  0.07   0.00   2690.1  *hist_fcst*    
 12 14  40.10 24.10  0.06   0.00   2690.1  *hist_fcst*    
 12 15  40.90 24.80  0.04   0.00   2690.1  *hist_fcst*    
 12 16  38.30 22.50  0.07   0.00   2690.1  *hist_fcst*    
 12 17  37.00 20.80  0.01   0.00   2690.1  *hist_fcst*    
 12 18  36.10 21.40  0.03   0.00   2690.1  *hist_fcst*    
 12 19  37.90 22.60  0.04   0.00   2690.1  *hist_fcst*    
 12 20  38.30 22.30  0.09   0.00   2690.1  *hist_fcst*    
 12 21  38.00 23.00  0.07   0.00   2690.1  *hist_fcst*    
 12 22  39.20 24.40  0.10   0.00   2690.1  *hist_fcst*    
 12 23  38.60 21.80  0.03   0.00   2690.1  *hist_fcst*    
 12 24  36.70 20.80  0.02   0.00   2690.1  *hist_fcst*    
 12 25  36.70 18.60  0.07   0.00   2690.1  *hist_fcst*    
 12 26  34.30 19.40  0.01   0.00   2690.1  *hist_fcst*    
 12 27  33.90 19.00  0.04   0.00   2690.1  *hist_fcst*    
 12 28  33.80 21.00  0.05   0.00   2690.1  *hist_fcst*    
 12 29  36.20 22.60  0.08   0.00   2690.1  *hist_fcst*    
 12 30  36.90 22.20  0.02   0.00   2690.1  *hist_fcst*    
 12 31  34.30 18.30  0.01   0.00   2690.1  *hist_fcst*    
Lygus bug model - Ben Simko 2000
Location: 2017 UP228 PARMA ID
DD accumulation on 8-22-17: 1926QA 93% ok - OK - 7% of data estimated  - show details 
  
This year is about  versus  QA
 4 days ahead 2016 ok
 9 days behind 2015 ok
 8 days behind 30-yr normal ok
DateDDsEvent
 5-26-17 277peak 1st and 2nd instars nymphs
degree-day graph of Lygus bug [alfalfa seed] Ben Simko 2000