| ADD | Function for Implementing the Accumulated Degree Days Method |
| ADP | Function for Implementing the Accumulated Developmental Progress Method |
| ADTS | Function for Implementing the Accumulated Days Transferred to a Standardized Temperature Method |
| apricotFFD | First flowering date records of _Prunus armeniaca_ |
| BJDAT | Daily Air Temperature Data of Beijing from 1952 to 2012. |
| predADD | Prediction Function of the Accumulated Degree Days Method |
| predADP | Prediction Function of the Accumulated Developmental Progress Method |
| predADTS | Prediction Function of the Accumulated Days Transferred to a Standardized Temperature Method |
| spphpr | Spring Phenological Prediction |
| toDOY | Function for Transferring a Date to the Value of Day-of-Year |