| calcode | | Nominal | Alpha-numeric site identification code, first two characters of which are the abbreviation of the state in which the site is located (Konza Prairie Cal code is KS31). |
| dateOn | | Date/time | Date sample bucket was installed on the collector, reported in Greenwich mean time (GMT) (yyyymmdd) |
| dateOff | | Date/time | Date sample bucket was removed from the collector, reported in Greenwich mean time (GMT) (yymmdd) |
| limitCA | | Physical quantity | Limit of Detection Symbol for CA |
| conCA | | Physical quantity | Ca concentration |
| limitMg | | Physical quantity | Limit of detection symbol for Mg |
| conMg | | Physical quantity | Mg concentration |
| limitK | | Physical quantity | Limitof detection symbol for K |
| conK | | Physical quantity | K concentration |
| limitNa | | Physical quantity | Limite of detection symbol for Na |
| conNa | | Physical quantity | Na concentration |
| limitNH4 | | Physical quantity | Limit of detection symbol for NH4 |
| conNH4 | | Physical quantity | NH4 concentration |
| limitNO3 | | Physical quantity | limit ofdetection symbol for NO3 |
| conNO3 | | Physical quantity | NO3 concentration |
| limitCl | | Physical quantity | limit of detection symbol for Cl |
| conCl | | Physical quantity | Cl concentration |
| limitSO4 | | Physical quantity | limit of detection symbol for SO4 |
| conSO4 | | Physical quantity | SO4 concentration |
| labpH | | Physical quantity | pH of precipitation sample as measured at CAL |
| fieldpH | | Physical quantity | pH of the precipitation sample as measured on site (Bushnell Hall) |
| pHFV | | Nominal | field pH indicator |
| labConduct | | Physical quantity | conductivity of the percipitation sample as measured at CAL |
| fieldConduct | | Physical quantity | conductivity of the precipitation sample as measured on site (Bushnell Hall) |
| conductFV | | Physical quantity | field conductance value indicator |
| sampVolume | | Physical quantity | volume of sample captured by the sample bucket in milliters |
| prcpRG | | Physical quantity | precipitation amount as measured by the rain gauge in millimeters. Trace amounts are indicated by -7.00 |
| subPPT | | Physical quantity | precipitation amount used by NADP/NTN in calculating weighted-mean concentrations, depositions and precipitation totals. |
| labType | | Nominal | A code indicating the condition of the sample upon arrival at CAL |
| valCode | | Code list | A code which indicated whether a sample is considered valid according to NADP/NTN data validation rules. |
| invalCode | | Nominal | A code which indicated whether a sample is considered invalid according to NADP/NTN data validation rules. |