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Output from uspest.org/wea crop degree-day/phenology model program:
Heat Units and predictions of key events from daily weather data
==============================MODEL INPUTS================================
Model species/general links: wheat (Hard Red)
Type: crop
Model source/other links: Miller MSU, Miller et al. 2001
Calculation method: simp avg/grow
Lower threshold: 32 degrees Fahrenheit
Setting upper threshold to: 130 F (default)
Directions for starting/BIOFIX: planting date
No starting/BIOFIX date, set to: default date 4 1
Ending date: 12 0
Model validation status: partly validated
Region of known use: Montana
==============================EVENTS TABLE================================
1. 290 DD after biofix 0.9-germination: coleoptyle breaks through soil
2. 350 DD after biofix 1.1-1st leaf unfolds
3. 680 DD after biofix 2.1-1st tiller visible
4. 1000 DD after biofix 3.1-1st node detectable
5. 1320 DD after biofix 4.1-flag leaf sheath extended
6. 1650 DD after biofix 5.1-tip of inflor. emerged, 1st spiklet just visible
7. 1960 DD after biofix 6.1-1st anthers of flowers visible
8. 2290 DD after biofix 7.1-1st grains reach half of final size
9. 2740 DD after biofix 8.5-soft dough stage grain development
10. 2930 DD after biofix 9.2-grains ripe and hard
==============================MODEL OUTPUT================================
Weather station: 2016 E1228 APRSWXNET EW1228 Montgomery AL Lat32.3453 Long:-86.1853 Elev:295
mn day max min precip DD32 CUMDD32 event
-- --- ----- ----- ------ ---- ------- -------
4 1 72.00 58.00 0.13 33.00 33.0 * START *
4 2 70.00 51.00 0.00 28.50 61.5
4 3 75.00 45.00 0.00 28.00 89.5
4 4 80.00 46.00 0.00 31.00 120.5
4 5 79.00 53.00 0.00 34.00 154.5
4 6 77.00 50.00 0.71 31.50 186.0
4 7 78.00 53.00 0.01 33.50 219.5
4 8 72.00 52.00 0.00 30.00 249.5
4 9 73.00 45.00 0.00 27.00 276.5
4 10 77.00 50.00 0.00 31.50 308.0 0.9-germination: coleoptyle breaks through soil
4 11 79.00 48.00 2.38 31.50 339.5
4 12 77.00 57.00 0.06 35.00 374.5 1.1-1st leaf unfolds
4 13 70.00 54.00 1.02 30.00 404.5
4 14 66.00 58.00 0.79 30.00 434.5
4 15 67.00 56.00 0.00 29.50 464.0
4 16 75.00 57.00 0.00 34.00 498.0
4 17 79.00 54.00 0.00 34.50 532.5
4 18 82.00 51.00 0.00 34.50 567.0
4 19 85.00 51.00 0.00 36.00 603.0
4 20 86.00 61.00 0.00 41.50 644.5
4 21 83.00 58.00 0.51 38.50 683.0 2.1-1st tiller visible
4 22 80.00 61.00 0.51 38.50 721.5
4 23 81.00 59.00 0.00 38.00 759.5
4 24 86.00 56.00 0.00 39.00 798.5
4 25 86.00 62.00 0.00 42.00 840.5
4 26 85.00 62.00 0.00 41.50 882.0
4 27 86.00 63.00 0.43 42.50 924.5
4 28 86.00 66.00 0.00 44.00 968.5
4 29 90.00 64.00 0.25 45.00 1013.5 3.1-1st node detectable
4 30 88.00 63.00 0.00 43.50 1057.0
5 1 86.00 67.00 0.00 44.50 1101.5
5 2 85.00 64.00 0.06 42.50 1144.0
5 3 76.00 62.00 0.00 37.00 1181.0
5 4 75.00 56.00 0.00 33.50 1214.5
5 5 73.00 54.00 0.00 31.50 1246.0
5 6 75.00 50.00 0.00 30.50 1276.5
5 7 83.00 50.00 0.00 34.50 1311.0
5 8 91.00 57.00 0.00 42.00 1353.0 4.1-flag leaf sheath extended
5 9 81.00 63.00 0.00 40.00 1393.0
5 10 86.00 67.00 0.00 44.50 1437.5
5 11 91.00 64.00 0.00 45.50 1483.0
5 12 89.00 67.00 0.12 46.00 1529.0
5 13 84.00 62.00 0.00 41.00 1570.0
5 14 86.00 57.00 0.00 39.50 1609.5
5 15 78.00 58.00 0.00 36.00 1645.5
5 16 82.00 57.00 0.00 37.50 1683.0 5.1-tip of inflor. emerged, 1st spiklet just visible
5 17 79.00 68.00 0.02 41.50 1724.5
5 18 85.00 67.00 0.04 44.00 1768.5
5 19 87.00 66.00 0.43 44.50 1813.0
5 20 77.00 66.00 0.01 39.50 1852.5
5 21 87.00 66.00 0.01 44.50 1897.0
5 22 83.00 61.00 0.00 40.00 1937.0
5 23 88.00 58.00 0.00 41.00 1978.0 6.1-1st anthers of flowers visible
5 24 92.00 61.00 0.00 44.50 2022.5
5 25 90.00 64.00 0.00 45.00 2067.5
5 26 91.00 67.00 0.00 47.00 2114.5
5 27 91.00 68.00 0.00 47.50 2162.0
5 28 87.00 70.00 0.00 46.50 2208.5
5 29 93.00 71.00 0.00 50.00 2258.5
5 30 94.00 69.00 0.00 49.50 2308.0 7.1-1st grains reach half of final size
5 31 97.00 69.00 0.00 51.00 2359.0
6 1 95.00 70.00 0.00 50.50 2409.5
6 2 94.00 72.00 0.00 51.00 2460.5
6 3 95.00 70.00 0.10 50.50 2511.0
6 4 89.00 72.00 0.65 48.50 2559.5
6 5 87.00 72.00 0.05 47.50 2607.0
6 6 86.00 73.00 0.00 47.50 2654.5
6 7 95.00 71.00 0.00 51.00 2705.5
6 8 90.00 68.00 0.00 47.00 2752.5 8.5-soft dough stage grain development
6 9 91.00 63.00 0.00 45.00 2797.5
6 10 97.00 65.00 0.00 49.00 2846.5
6 11 97.00 69.00 1.47 51.00 2897.5
6 12 94.00 69.00 0.00 49.50 2947.0 9.2-grains ripe and hard
6 13 96.00 75.00 0.00 53.50 3000.5
6 14 94.00 74.00 0.48 52.00 3052.5
6 15 80.00 71.00 0.17 43.50 3096.0
6 16 95.00 71.00 0.13 51.00 3147.0
6 17 96.00 69.00 0.44 50.50 3197.5
6 18 81.00 68.00 0.01 42.50 3240.0
6 19 88.00 71.00 0.00 47.50 3287.5
6 20 89.00 67.00 0.00 46.00 3333.5
6 21 93.00 65.00 0.00 47.00 3380.5
6 22 94.00 69.00 0.00 49.50 3430.0
6 23 95.00 70.00 0.00 50.50 3480.5 Vn
6 24 95.00 72.00 0.00 51.50 3532.0
6 25 100.00 76.00 0.00 56.00 3588.0
6 26 100.00 73.00 0.05 54.50 3642.5
6 27 97.00 72.00 0.31 52.50 3695.0
6 28 91.00 72.00 0.01 49.50 3744.5
6 29 94.00 74.00 0.16 52.00 3796.5
6 30 94.00 72.00 0.00 51.00 3847.5
7 1 97.00 73.00 0.00 53.00 3900.5
7 2 99.00 73.00 0.00 54.00 3954.5
7 3 98.00 77.00 0.00 55.50 4010.0
7 4 97.00 76.00 0.59 54.50 4064.5
7 5 86.00 75.00 0.28 48.50 4113.0
7 6 93.00 73.00 0.24 51.00 4164.0
7 7 96.00 73.00 0.01 52.50 4216.5
7 8 98.00 77.00 0.00 55.50 4272.0
7 9 96.00 73.00 0.02 52.50 4324.5
7 10 97.00 72.00 0.00 52.50 4377.0
7 11 91.00 71.00 0.80 49.00 4426.0
7 12 95.00 71.00 0.00 51.00 4477.0
7 13 96.00 70.00 0.00 51.00 4528.0
7 14 96.00 71.00 0.00 51.50 4579.5
7 15 94.00 71.00 0.00 50.50 4630.0
7 16 97.00 75.00 0.01 54.00 4684.0
7 17 97.00 74.00 0.00 53.50 4737.5
7 18 96.00 73.00 0.00 52.50 4790.0
7 19 96.00 75.00 0.00 53.50 4843.5
7 20 99.00 76.00 0.01 55.50 4899.0
7 21 97.00 74.00 0.14 53.50 4952.5
7 22 96.00 72.00 0.00 52.00 5004.5
7 23 97.00 75.00 0.00 54.00 5058.5
7 24 98.00 76.00 0.00 55.00 5113.5
7 25 99.00 76.00 0.00 55.50 5169.0
7 26 96.00 74.00 0.00 53.00 5222.0
7 27 94.00 74.00 0.00 52.00 5274.0
7 28 96.00 72.00 0.00 52.00 5326.0
7 29 97.00 74.00 0.00 53.50 5379.5
7 30 99.00 75.00 0.00 55.00 5434.5
7 31 99.00 74.00 0.00 54.50 5489.0
8 1 96.00 75.00 0.04 53.50 5542.5
8 2 98.00 74.00 0.03 54.00 5596.5
8 3 95.00 73.00 0.01 52.00 5648.5
8 4 99.00 74.00 0.00 54.50 5703.0
8 5 97.00 70.00 2.20 51.50 5754.5
8 6 98.00 71.00 0.00 52.50 5807.0
8 7 98.00 75.00 0.51 54.50 5861.5
8 8 94.00 75.00 0.11 52.50 5914.0
8 9 90.00 76.00 0.02 51.00 5965.0
8 10 88.00 76.00 0.05 50.00 6015.0
8 11 88.00 76.00 0.19 50.00 6065.0
8 12 89.00 75.00 0.10 50.00 6115.0
8 13 94.00 72.00 0.09 51.00 6166.0
8 14 95.00 72.00 0.00 51.50 6217.5
8 15 96.00 72.00 0.00 52.00 6269.5
8 16 99.00 73.00 0.02 54.00 6323.5
8 17 98.00 72.00 0.00 53.00 6376.5
8 18 97.00 74.00 0.03 53.50 6430.0
8 19 95.00 74.00 0.05 52.50 6482.5
8 20 92.00 74.00 0.01 51.00 6533.5
8 21 93.00 75.00 0.00 52.00 6585.5
8 22 94.00 74.00 0.08 52.00 6637.5
8 23 96.00 73.00 0.00 52.50 6690.0
8 24 96.00 75.00 0.00 53.50 6743.5
8 25 94.00 76.00 0.00 53.00 6796.5
8 26 97.00 74.00 0.00 53.50 6850.0
8 27 97.00 73.00 0.00 53.00 6903.0
8 28 96.00 74.00 0.00 53.00 6956.0
8 29 95.00 75.00 0.04 53.00 7009.0
8 30 94.00 73.00 0.00 51.50 7060.5
8 31 95.00 74.00 0.00 52.50 7113.0
9 1 92.00 74.00 0.00 51.00 7164.0
9 2 91.00 75.00 0.00 51.00 7215.0
9 3 90.00 72.00 0.00 49.00 7264.0
9 4 92.00 71.00 0.00 49.50 7313.5
9 5 97.00 71.00 0.00 52.00 7365.5
9 6 96.00 68.00 0.00 50.00 7415.5
9 7 98.00 68.00 0.00 51.00 7466.5
9 8 98.00 70.00 0.00 52.00 7518.5
9 9 97.00 69.00 0.00 51.00 7569.5
9 10 98.00 70.00 0.00 52.00 7621.5
9 11 99.00 72.00 0.01 53.50 7675.0
9 12 94.00 71.00 0.00 50.50 7725.5
9 13 95.00 72.00 0.00 51.50 7777.0
9 14 93.00 72.00 0.00 50.50 7827.5
9 15 99.00 70.00 0.00 52.50 7880.0
9 16 97.00 71.00 0.00 52.00 7932.0
9 17 89.00 73.00 0.37 49.00 7981.0
9 18 90.00 73.00 0.00 49.50 8030.5
9 19 93.00 74.00 0.11 51.50 8082.0
9 20 95.00 69.00 0.00 50.00 8132.0
9 21 96.00 70.00 0.00 51.00 8183.0
9 22 95.00 75.00 0.02 53.00 8236.0
9 23 97.00 71.00 0.02 52.00 8288.0
9 24 99.00 71.00 0.00 53.00 8341.0
9 25 99.00 71.00 0.00 53.00 8394.0
9 26 94.00 70.00 0.00 50.00 8444.0
9 27 93.00 69.00 0.00 49.00 8493.0
9 28 91.00 68.00 0.00 47.50 8540.5
9 29 84.00 59.00 0.00 39.50 8580.0
9 30 79.00 55.00 0.00 35.00 8615.0
10 1 85.00 54.00 0.00 37.50 8652.5
10 2 87.00 62.00 0.00 42.50 8695.0
10 3 92.00 59.00 0.00 43.50 8738.5
10 4 92.00 66.00 0.00 47.00 8785.5
10 5 89.00 66.00 0.00 45.50 8831.0
10 6 87.00 66.00 0.00 44.50 8875.5
10 7 89.00 66.00 0.00 45.50 8921.0
10 8 91.00 64.00 0.00 45.50 8966.5
10 9 87.00 54.00 0.00 38.50 9005.0
10 10 84.00 57.00 0.00 38.50 9043.5
10 11 83.00 53.00 0.00 36.00 9079.5
10 12 85.00 54.00 0.00 37.50 9117.0
10 13 87.00 53.00 0.00 38.00 9155.0
10 14 92.00 56.00 0.00 42.00 9197.0
10 15 84.00 62.00 0.40 41.00 9238.0
10 16 80.00 65.00 0.40 40.50 9278.5
10 17 91.00 62.00 0.00 44.50 9323.0
10 18 91.00 64.00 0.00 45.50 9368.5
10 19 90.00 66.00 0.00 46.00 9414.5
10 20 91.00 64.00 0.00 45.50 9460.0
10 21 76.00 51.00 0.00 31.50 9491.5
10 22 73.00 49.00 0.00 29.00 9520.5
10 23 78.00 50.00 0.00 32.00 9552.5 Vx Vn
10 24 83.00 51.00 0.00 35.00 9587.5 Vn
10 25 88.00 52.00 0.00 38.00 9625.5
10 26 85.00 56.00 0.00 38.50 9664.0
10 27 85.00 61.00 0.00 41.00 9705.0
10 28 89.00 57.00 0.00 41.00 9746.0
10 29 90.00 57.00 0.00 41.50 9787.5
10 30 88.00 57.00 0.00 40.50 9828.0
10 31 89.00 57.00 0.00 41.00 9869.0
11 1 91.00 58.00 0.00 42.50 9911.5
11 2 83.00 62.00 0.00 40.50 9952.0
11 3 89.00 61.00 0.00 43.00 9995.0
11 4 86.00 60.00 0.00 41.00 10036.0
11 5 79.00 53.00 0.00 34.00 10070.0
11 6 76.00 51.00 0.00 31.50 10101.5
11 7 82.00 56.00 0.00 37.00 10138.5
11 8 69.00 53.00 0.00 29.00 10167.5
11 9 76.00 49.00 0.00 30.50 10198.0
11 10 73.00 42.00 0.00 25.50 10223.5
11 11 68.00 39.00 0.00 21.50 10245.0
11 12 74.00 50.00 0.00 30.00 10275.0
11 13 72.00 49.00 0.00 28.50 10303.5
11 14 71.00 43.00 0.00 25.00 10328.5
11 15 72.00 41.00 0.00 24.50 10353.0
11 16 75.00 46.00 0.00 28.50 10381.5
11 17 82.00 44.00 0.00 31.00 10412.5
11 18 81.00 46.00 0.00 31.50 10444.0
11 19 63.00 42.00 0.00 20.50 10464.5
11 20 61.00 35.00 0.00 16.00 10480.5
11 21 66.00 32.00 0.00 17.00 10497.5
11 22 71.00 34.00 0.00 20.50 10518.0
11 23 75.00 41.00 0.00 26.00 10544.0
11 24 80.00 54.00 0.00 35.00 10579.0
11 25 77.00 50.00 0.00 31.50 10610.5
11 26 63.00 36.00 0.00 17.50 10628.0
11 27 69.00 32.00 0.00 18.50 10646.5
11 28 75.00 50.00 1.58 30.50 10677.0
11 29 78.00 57.00 0.83 35.50 10712.5
11 30 79.00 48.00 0.83 31.50 10744.0
Forecast using: 1910 E1228 PRISM_rev1_4km 2006-2015 AVERAGES Lat32.3453 Long-86.1853 DD50
wheat (Hard Red) Miller MSULocation: 2016 E1228 EW1228 Montgomery AL 1910 E1228 PRISM_rev1_4km 2006-2015 AVERAGES | Date | DDs | Event |
| 4-10-16 | 308 | 0.9-germination: coleoptyle breaks through soil |
| 4-12-16 | 374 | 1.1-1st leaf unfolds |
| 4-21-16 | 683 | 2.1-1st tiller visible |
| 4-29-16 | 1014 | 3.1-1st node detectable |
| 5-8-16 | 1353 | 4.1-flag leaf sheath extended |
| 5-16-16 | 1683 | 5.1-tip of inflor. emerged, 1st spiklet just visible |
| 5-23-16 | 1978 | 6.1-1st anthers of flowers visible |
| 5-30-16 | 2308 | 7.1-1st grains reach half of final size |
| 6-8-16 | 2752 | 8.5-soft dough stage grain development |
| 6-12-16 | 2947 | 9.2-grains ripe and hard |
