| DATE_TIME | Date_time | Date/time | Date sample was collected |
| AVG_SURFELEVCHANGE | | Physical quantity | Average surface change - snowfall / sediment accumulation or loss |
| STD_SURFELEVCHANGE | | Physical quantity | Standard deviation for the surface change - snowfall / sediment accumulation or loss |
| MIN_SURFELEVCHANGE | | Physical quantity | Minimum value of the surface change - snowfall / sediment accumulation or loss |
| MAX_SURFELEVCHANGE | | Physical quantity | Maximum value for the surface - snowfall / sediment accumulation or loss |
| N_SURFELEVCHANGE | | Physical quantity | Number of observations for this average |