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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: Oat
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: 7 0
Model validation status: partly validated
Region of known use: Montana
==============================EVENTS TABLE================================
1. 280 DD after biofix 0.9-germination: coleoptyle breaks through soil
2. 340 DD after biofix 1.1-1st leaf unfolds
3. 650 DD after biofix 2.1-1st tiller visible
4. 960 DD after biofix 3.1-1st node detectable
5. 1280 DD after biofix 4.1-flag leaf sheath extended
6. 1590 DD after biofix 5.1-tip of inflor. emerged, 1st spiklet just visible
7. 1900 DD after biofix 6.1-1st anthers of flowers visible
8. 2210 DD after biofix 7.1-1st grains reach half of final size
9. 2650 DD after biofix 8.5-soft dough stage grain development
10. 2840 DD after biofix 9.1-grains ripe and hard
==============================MODEL OUTPUT================================
Weather station: 2017 LRRA4 RAWS FELSENTHAL AR Lat33.1556 Long-92.1908 Elev:105
mn day max min precip DD32 CUMDD32 event
-- --- ----- ----- ------ ---- ------- -------
4 1 85.00 56.00 0.00 38.50 38.5 * START *
4 2 73.00 59.00 1.37 34.00 72.5
4 3 80.00 57.00 0.20 36.50 109.0
4 4 76.10 51.60 0.00 31.85 140.8 Hx Hn
4 5 65.00 57.80 0.00 29.40 170.2 Vn
4 6 73.00 43.00 0.00 26.00 196.2
4 7 75.00 39.00 0.00 25.00 221.2
4 8 82.00 46.00 0.00 32.00 253.2
4 9 83.00 54.00 0.00 36.50 289.8 0.9-germination: coleoptyle breaks through soil
4 10 82.00 61.00 0.76 39.50 329.2
4 11 69.00 62.00 0.41 33.50 362.8 1.1-1st leaf unfolds
4 12 80.00 59.00 0.00 37.50 400.2
4 13 85.00 58.00 0.00 39.50 439.8
4 14 85.00 58.00 0.00 39.50 479.2
4 15 84.00 59.00 0.01 39.50 518.8
4 16 85.00 65.00 0.00 43.00 561.8
4 17 83.00 65.00 0.03 42.00 603.8
4 18 86.00 62.00 0.10 42.00 645.8
4 19 88.00 65.00 0.00 44.50 690.2 2.1-1st tiller visible
4 20 88.00 64.00 0.00 44.00 734.2
4 21 87.00 68.00 0.00 45.50 779.8
4 22 74.00 54.00 0.03 32.00 811.8
4 23 73.00 47.00 0.00 28.00 839.8
4 24 81.00 43.00 0.00 30.00 869.8
4 25 84.00 51.00 0.00 35.50 905.2
4 26 83.00 54.00 0.98 36.50 941.8
4 27 75.00 48.00 0.00 29.50 971.2 3.1-1st node detectable
4 28 89.00 58.00 0.00 41.50 1012.8
4 29 88.00 67.00 0.22 45.50 1058.2
4 30 74.00 55.00 1.73 32.50 1090.8
5 1 79.00 48.00 0.00 31.50 1122.2
5 2 85.00 53.00 0.00 37.00 1159.2
5 3 78.00 58.00 1.70 36.00 1195.2
5 4 67.00 48.00 0.00 25.50 1220.8
5 5 77.00 48.00 0.00 30.50 1251.2
5 6 82.00 46.00 0.00 32.00 1283.2 4.1-flag leaf sheath extended
5 7 87.00 52.00 0.00 37.50 1320.8
5 8 87.00 55.00 0.00 39.00 1359.8
5 9 86.00 58.00 0.00 40.00 1399.8
5 10 86.00 62.00 0.00 42.00 1441.8
5 11 83.00 66.00 0.05 42.50 1484.2
5 12 81.00 61.20 0.51 39.10 1523.3 Pn
5 13 80.00 58.00 0.00 37.00 1560.3
5 14 83.00 56.00 0.00 37.50 1597.8 5.1-tip of inflor. emerged, 1st spiklet just visible
5 15 88.00 60.00 0.00 42.00 1639.8
5 16 86.00 62.00 0.00 42.00 1681.8
5 17 88.00 68.00 0.00 46.00 1727.8
5 18 90.00 72.00 0.00 49.00 1776.8
5 19 90.00 73.00 0.00 49.50 1826.3
5 20 80.00 70.00 0.20 43.00 1869.3
5 21 74.00 61.00 0.96 35.50 1904.8 6.1-1st anthers of flowers visible
5 22 65.00 62.00 0.55 31.50 1936.3
5 23 80.00 60.00 0.99 38.00 1974.3
5 24 71.00 53.00 0.03 30.00 2004.3
5 25 85.00 50.00 0.00 35.50 2039.8
5 26 85.00 66.00 0.00 43.50 2083.3
5 27 92.00 73.00 0.00 50.50 2133.8
5 28 85.00 66.00 0.26 43.50 2177.3
5 29 82.00 65.00 0.00 41.50 2218.8 7.1-1st grains reach half of final size
5 30 88.00 65.00 0.00 44.50 2263.3
5 31 89.00 65.00 0.00 45.00 2308.3
6 1 77.00 69.00 0.26 41.00 2349.3
6 2 87.00 69.00 0.00 46.00 2395.3
6 3 89.00 69.00 0.00 47.00 2442.3
6 4 84.00 71.00 0.08 45.50 2487.8
6 5 87.00 68.00 0.00 45.50 2533.3
6 6 86.00 70.00 0.39 46.00 2579.3
6 7 85.00 61.00 0.00 41.00 2620.3
6 8 85.00 58.00 0.00 39.50 2659.8 8.5-soft dough stage grain development
6 9 85.00 57.00 0.00 39.00 2698.8
6 10 87.00 60.00 0.00 41.50 2740.3
6 11 89.00 67.00 1.06 46.00 2786.3
6 12 92.00 72.00 0.60 50.00 2836.3
6 13 91.00 71.00 0.06 49.00 2885.3 9.1-grains ripe and hard
6 14 92.00 72.00 0.00 50.00 2935.3
6 15 92.00 74.00 0.00 51.00 2986.3
6 16 94.00 73.00 0.00 51.50 3037.8
6 17 92.00 71.00 0.00 49.50 3087.3
6 18 93.00 74.00 0.00 51.50 3138.8
6 19 84.00 71.00 0.02 45.50 3184.3
6 20 89.00 69.00 0.00 47.00 3231.3
6 21 84.00 69.00 0.03 44.50 3275.8
6 22 85.00 76.00 2.04 48.50 3324.3
6 23 90.00 71.00 3.60 48.50 3372.8
6 24 86.00 71.00 0.00 46.50 3419.3
6 25 85.00 65.00 0.00 43.00 3462.3
6 26 89.00 63.00 0.00 44.00 3506.3
6 27 89.00 64.00 0.00 44.50 3550.8
6 28 90.00 66.00 0.00 46.00 3596.8
6 29 88.00 73.00 0.00 48.50 3645.3
6 30 91.00 75.00 0.05 51.00 3696.3
Forecast using: 1910 LRRA4 PRISM_rev1_4km 2007-2016 AVERAGES Lat33.1556 Long-92.1908 DD50
Oat Miller MSULocation: 2017 LRRA4 FELSENTHAL AR 1910 LRRA4 PRISM_rev1_4km 2007-2016 AVERAGES | Date | DDs | Event |
| 4-9-17 | 290 | 0.9-germination: coleoptyle breaks through soil |
| 4-11-17 | 363 | 1.1-1st leaf unfolds |
| 4-19-17 | 690 | 2.1-1st tiller visible |
| 4-27-17 | 971 | 3.1-1st node detectable |
| 5-6-17 | 1283 | 4.1-flag leaf sheath extended |
| 5-14-17 | 1598 | 5.1-tip of inflor. emerged, 1st spiklet just visible |
| 5-21-17 | 1905 | 6.1-1st anthers of flowers visible |
| 5-29-17 | 2219 | 7.1-1st grains reach half of final size |
| 6-8-17 | 2660 | 8.5-soft dough stage grain development |
| 6-13-17 | 2885 | 9.1-grains ripe and hard |
