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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: cucumber-Extreme (direct seeded)
Type: crop
Model source/other links: Andrews et al 2016, Croptime project
Calculation method: single sine
Lower threshold: 50 degrees Fahrenheit
Upper threshold: 90 degrees Fahrenheit
Directions for starting/BIOFIX: date of direct seeding
Starting/BIOFIX date: 6 1
Ending date: 7 0
Model validation status: new model-not yet fully validated
Region of known use: W. Oregon
==============================EVENTS TABLE================================
1. 1 DDs after seeding: Planted
2. 366 DDs after seeding: 2 true leaves
3. 692 DDs after seeding: Early flowering
4. 946 DDs after seeding: First harvest (8" fruit)
==============================MODEL OUTPUT================================
Weather station: 2017 K4A9 METAR Ft Payne Isbell Fld Ap AL Lat:34.4733 Long:-85.7214 Elev:876
mn day max min precip DD50 CUMDD50 event
-- --- ----- ----- ------ ---- ------- -------
6 1 82.40 57.20 0.00 19.80 19.8 * START * Planted
6 2 84.20 64.40 0.00 24.30 44.1
6 3 86.00 60.80 0.00 23.40 67.5
6 4 82.40 68.00 5.13 25.20 92.7
6 5 78.80 68.00 1.21 23.40 116.1
6 6 78.80 68.00 0.03 23.40 139.5
6 7 78.80 55.40 0.00 17.10 156.6
6 8 77.00 53.60 0.00 15.30 171.9
6 9 80.60 51.80 0.00 16.20 188.1
6 10 84.20 57.20 0.00 20.70 208.8
6 11 86.00 59.00 0.00 22.50 231.3
6 12 87.80 69.80 0.00 28.80 260.1
6 13 86.00 64.40 0.00 25.20 285.3
6 14 86.00 64.40 0.00 25.20 310.5
6 15 87.80 64.40 0.53 26.10 336.6
6 16 82.40 62.60 0.00 22.50 359.1
6 17 87.80 62.60 0.00 25.20 384.3 2 true leaves
6 18 86.00 68.00 0.00 27.00 411.3
6 19 86.30 69.10 0.00 27.70 439.0 Px Pn
6 20 86.30 64.30 0.00 25.30 464.3 Px Pn
6 21 82.20 69.50 0.00 25.85 490.1 Px Pn
6 22 77.80 71.30 0.00 24.55 514.7 Px Pn
6 23 86.50 74.50 0.00 30.50 545.2 Px Pn
6 24 90.20 68.00 0.00 29.09 574.3 Px Pn
6 25 81.10 55.80 0.00 18.45 592.7 Px Pn
6 26 85.30 47.60 0.00 16.71 609.5 Px Pn
6 27 78.80 56.70 0.14 17.75 627.2 Pn
6 28 86.00 55.40 0.00 20.70 647.9
6 29 80.60 69.80 0.64 25.20 673.1
6 30 80.60 69.80 3.49 25.20 698.3 Early flowering
Forecast using: 1910 K4A9 PRISM_rev1_4km 2007-2016 AVERAGES Lat34.4733 Long-85.7214 DD50
cucumber-Extreme (direct seeded) Andrews et al 2016Location: 2017 K4A9 Ft Payne Isbell 1910 K4A9 PRISM_rev1_4km 2007-2016 AVERAGES Date | DDs | Event |
6-1-17 | 20 | Planted |
6-17-17 | 384 | 2 true leaves |
6-30-17 | 698 | Early flowering |
5-8-17 | 947 | First harvest (8" fruit) |