| Log label | Wx Server Variable | Description |
|---|
| UT | timeStamp | Universal Time |
| dpTmp | airTemp | "Tower" hygrothermometer ambient temperature (°F) |
| dewPt | dewPoint | "Tower" hygrothermometer dewpoint temperature (°F) |
| dpErr | dpErr | "Tower" hygrothermometer dewpoint status |
| Winds | winds | Tower wind speed (mph) |
| Windd | windd | Tower wind direction (0° = N, 90° = E, ...) |
| Press | pressure | 3.5m atmospheric pressure (millibar) |
| TmpEnc | tempout | 3.5m top end air temperature (°C) |
| Humout | humidout | "Tower" relative humidity (integer %) |
| TempC | temp | "Tower" hygrothermometer ambient temperature (integer °F) |
| Dust3 | dusta | "Tower" 0.3µ dust counter channel |
| Dust1 | dustb | "Tower" 1.0µ dust counter channel |
| Gusts | gusts | Tower wind peak wind speed in last 15 minutes (mph) |
| M1Front | m1front | Average temperature of 3.5m M1 front surface (°C) |
| M1Mid | m1mid | Average temperature of 3.5m M1 middle section (°C) |
| M1Back | m1back | Average temperature of 3.5m M1 back surface (°C) |
| DIMMfwhm | dimmfwhm | SDSS DIMM FWHM (") |
| DIMMflx1 | dimmflux1 | SDSS DIMM image 1 flux |
| DIMMflx2 | dimmflux2 | SDSS DIMM image 2 flux |
| IRSCmean | irscmean | IRSC mean sky value |
| IRSCsd | irscsd | IRSC standard deviation of sky values |