| SurveyEventID | | Physical quantity | autonumber field, unique value for each event |
| TransectName | | Nominal | Links to Transect datatable |
| Watershed | | Nominal | Watershed name |
| Date | | Date/time | The Date were data collected |
| Observer | | Nominal | Initials of person doing the survey. Values: AB=Alice Boyle, BV=Bram Verheijen, WEJ=William E. Jensen, SKW=Sarah K. Winnicki |
| StartTime | | Date/time | 24-hr time survey began |
| StartCloud | | Physical quantity | % of sky covered by clouds. AB populated this field based on "sky" field in original PBG51 data (0 assigned 15%, 1 assigned 50%, 2 assigned 85%, 3 and higher assigned 100% |
| StartWind | | Physical quantity | Integers between 0 and 6; represent values on the Beaufort scale |
| StartTemp | | Physical quantity | typically used MHK weather stations on phone app |
| Duration | | Physical quantity | Duration in minutes |
| NoBirdsDetected | | Nominal | True or False if no birds detected on survey |
| Comments | | Nominal | Comments for the data |
