Climate Dashboard for NC Corn Growers
This tool provides corn growers in North Carolina with climate-based information and predictions about seasonal corn development. To use this tool, select your location and planting date (past or anticipated) and click “Update Chart”. Scroll down to see forecasts. This tool was sponsored by the Corn Growers Association of North Carolina. Learn more about this tool, the datasets and calculations used, and a tutorial on ourĀ About Page.
1. Select Your Location
Planting Guidance Chart for 36.198°N -76.761 °E
Based on Today's Date
Corn germination is based on an accumulation of at least 40-50 GDDs over the next 4-5 days (of the current date, not the planting date). This table shows the predicted accumulation of GDDs over the next 5 days, starting with each date.
Mon | Tue | Wed | Thu | Fri | Sat | Sun |
---|---|---|---|---|---|---|
May 13 | May 14 | May 15 | May 16 | May 17 | May 18 | May 19 |
May 20 114 | May 21 118 | May 22 125 | May 23 127 | May 24 100 | May 25 73 | May 26 48 |
Numbers in each box indicate the forecasted 5-day accumulated GDDs, starting on the given date. Daily GDDs are based on NWS Forecasts for days 0-7, and on historical averages for days 8+. 5-day accumulations shown may be based on a combination of NWS forecasts and historical data.
Please Note: Actual conditions may differ from local forecasts and historical averages. We recommend you return to this tool for updated forecast information.
Please Note: Actual conditions may differ from local forecasts and historical averages. We recommend you return to this tool for updated forecast information.
Output Chart
Crop Stages
Code | Stage | Threshold | Predicted Date | Accum GDD as of Predicted Date |
---|---|---|---|---|
Today | Mon, May 20 2024 | 20 | ||
V0 | Planted | Tue, May 21 2024 | 19 | |
V2 | Two Leaves Fully Emerged | 200 | Tue, May 28 2024 | 216 |
V4 | Four Leaves Fully Emerged | 345 | Mon, Jun 3 2024 | 360 |
V6 | Six Leaves Fully Emerged | 475 | Sat, Jun 8 2024 | 478 |
V8 | Eight Leaves Fully Emerged | 610 | Fri, Jun 14 2024 | 632 |
V10 | Tenth Leaf Fully Emerged | 740 | Wed, Jun 19 2024 | 766 |
V12 | Twelfth Leaf Fully Emerged | 870 | Sun, Jun 23 2024 | 877 |
V14 | Fourteenth Leaf Fully Emerged | 1,000 | Fri, Jun 28 2024 | 1,015 |
V16 | Sixteenth Leaf Fully Emerged | 1,135 | Wed, Jul 3 2024 | 1,160 |
VT to R1 | Silks Emerging | 1,400 | Fri, Jul 12 2024 | 1,428 |
R2 | Blister Stage | 1,660 | Sat, Jul 20 2024 | 1,674 |
R4 | Dough Stage | 1,925 | Mon, Jul 29 2024 | 1,948 |
R5 | Dent Stage | 2,190 | Wed, Aug 7 2024 | 2,207 |
R6 | Black Layer | 2,450 | Fri, Aug 16 2024 | 2,469 |
Latest 7-Day National Weather Service Forecast for 36.198°N -76.761 °E
Date | Max Temp (°F) | Min Temp (°F) | Precip (in) | GDD | Stress Degree Days |
---|---|---|---|---|---|
Tue, May 21 2024 | 79.1 | 54.0 | 0 | 17 | 0.0 |
Wed, May 22 2024 | 88.1 | 58.0 | 0 | 23 | 2.1 |
Thu, May 23 2024 | 90.0 | 63.9 | 0 | 27 | 4.0 |
Fri, May 24 2024 | 88.1 | 65.9 | N/A | 27 | 2.1 |
Sat, May 25 2024 | 83.9 | 65.0 | N/A | 24 | 0.0 |
Sun, May 26 2024 | 83.9 | 63.0 | N/A | 23 | 0.0 |
Mon, May 27 2024 | 85.9 | 63.9 | N/A | 25 | 0.0 |
7 Day Totals | 90.07 DayMaximum | 54.07 DayMinimum | 07 DayAccumulation | 1667 DayAccumulation | 8.27 DayAccumulation |
Longer-Term Climate Outlooks from NWS Climate Prediction Center
Period | Temperature Outlook (Probability) | Precipitation Outlook (Probability) |
---|---|---|
6-10 days Sat, May 25 - Wed, May 29 | Above Normal40% probability of Above Normal temperatures over the next 6-10 days | Equal ChancesEqual chance of above, below, or normal precipitation over the next 6-10 days |
8-14 days Mon, May 27 - Sun, Jun 2 | Above Normal33% probability of Above Normal temperatures over the next 8-14 days | Equal ChancesEqual chance of above, below, or normal precipitation over the next 8-14 days |
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Data Sources
Past Data Sources
- Past data from PRISM: Daily Temperature and Precipitation Gridded Product [Learn more about PRISM]
- Recent data from RTMA: National Weather Service's Real-Time Mesoscale Analysis (aggregated to daily) [Learn more about RTMA]
- Forecast data from NDFD: National Digital Forecast Database [Learn more about NDFD]
- Historical data calculated from PRISM: PRISM Daily Data averaged over past 10 years [Learn more about PRISM]
- Forecast data from NWS: National Weather Service [Learn more about NWS]
- Climate Outlooks from CPC: NWS Climate Prediction Center [Learn more about CPC]