| SHEF CODE | DESCRIPTION | UNITS OF MEASURE |
|---|---|---|
| DHIRG | Time of 15 Minute Minimum Relative Humidity associated with VXN | HH:MM |
| DHIRG | Time of 15 Minute Maximum Relative Humidity associated with VXX | HH:MM |
| DHIRG | Time of 15 Minute Maximum Temperature associated with VJA | HH:MM |
| DHIRG | Time of 15 Minute Minimum Temperature associated with VJB | HH:MM |
| DHIRG | Time of 15 Minute Peak Wind speed associated with VUP | HH:MM |
| DHIRG | Date - Hour of day | HH:MM |