China Surface Climate Daily Data
Data Content
The dataset contains daily values of the following meteorological elements:
- Pressure: Average pressure;
- Temperature: Average temperature;
- Relative humidity: Average relative humidity;
- Precipitation: 20-20h precipitation amount;
- Wind speed: Average wind speed.
Data Sample
| Station_ID_C | Station_Name | year | mon | day | TEM_Avg | PRS_Avg | RHU_Avg | PRE_Time_2020 | WIN_S_2mi_Avg |
|---|---|---|---|---|---|---|---|---|---|
| 50750 | Yi’an | 2022 | 12 | 31 | -19.8 | 992 | 76 | 0 | 3.3 |
| 50750 | Yi’an | 2023 | 1 | 1 | -19.7 | 997 | 66 | 0 | 2.8 |
| 50750 | Yi’an | 2023 | 1 | 2 | -19.5 | 997 | 70 | 0 | 2.9 |
| 50750 | Yi’an | 2023 | 1 | 3 | -18.7 | 998 | 70 | 0 | 2.7 |
| 50750 | Yi’an | 2023 | 1 | 4 | -19.2 | 996 | 70 | 0 | 2 |
Field Description
| Element Code | Element Name | Unit |
|---|---|---|
| TEM_AVG | Average temperature | °C |
| PRS_AVG | Average pressure | hPa |
| RHU_AVG | Average relative humidity | % |
| PRE_Time_2020 | 20-20h precipitation | mm |
| WIN_S_2mi_Avg | Average wind speed | m/s |
Data Scale
This dataset contains data from over 2,000 stations across China from 2000 to 2023.
Data Description
The data is derived from ECMWF Daily statistics calculated from ERA5 data and the Global Land Surface Reanalysis Product (V1.0) of the National Meteorological Information Center, combined with actual station observation data using machine learning methods. For data accuracy analysis, please see: Data Accuracy Evaluation.
Access Method
You can directly obtain the data at the China Surface Climate Data Daily Value Download page.