Current CHU Accumulation - The CHU accumulated to today, from a start date of May 1.
10 Day Forecast of CHU Accumulation - The predicted CHU accumulation for 10 days from now.
Predicted CHU Seasonal Accumulation - The predicted CHU accumulation at the end of the season. The season-ending date (date to stop accumulating CHU's) is the date when the 30-year average daily mean air temperature dropped to 12°C (54°F) or lower.
CHU Deviation - Current vs. Normal - The difference between the current CHU accumulation and the 30 year normal for the current date.