| Parameter | US-Units | US-Error | Metric-Units | Metric-Error | Comment |
| Wind Speed | OBSD_WINDSPEED_MPH (mph) | ±2% | OBSD_WINDSPEED_MPS (m/s) | ±2% | RainWise Mk III / 100m SW of Observatory |
| Wind Direction | OBSD_WINDDIR_DEG (deg) | ±11.25 | OBSD_WINDDIR_RAD (rad) | ±0.20 | RainWise Mk III / N=0°,E=90°,S=180°,W=270° |
| Air Temperature | OBSD_TEMPERATURE_F (°F) | ±0.50 | OBSD_TEMPERATURE_C (°C) | ±0.25 | RainWise Mk III / 100m SW of Observatory |
| Air Temperature | OBSD_TEMPOMEGA_F (°F) | ±0.36 | OBSD_TEMPOMEGA_C (°C) | ±0.20 | Omega Engineering / Inside Observatory |
| Dew Point | OBSD_DEWPOINT_F (°F) | ±0.45 | OBSD_DEWPOINT_C (°C) | ±0.25 | Omega Engineering / Inside Observatory |
| Humidity Split (AT-DP) | OBSD_HSPLIT_F (°F) | ±0.45 | OBSD_HSPLIT_C (°C) | ±0.25 | Omega Engineering / Inside Observatory |
| Humidity | OBSD_OMEGA_HUMIDITY (%) | ±2% | OBSD_OMEGA_HUMIDITY (%) | ±2% | Omega Engineering / Inside Observatory |
| Humidity | OBSD_HUMIDITY (%) | ±2% | OBSD_HUMIDITY (%) | ±2% | RainWise Mk III / 100m SW of Observatory |
| Barometric Pressure | OBSD_PRESSURE_INHG (inHg) | ±0.004 | OBSD_PRESSURE_KPA (kPa) | ±0.005 | OBSD_PRESSURE_DEV |
| Sea-level Barometric Pressure | OBSD_SL_PRESSURE_INHG (inHg) | ±0.004 | OBSD_SL_PRESSURE_KPA (kPa) | ±0.005 | OBSD_PRESSURE_DEV |
| Rain for Today | OBSD_RAINTOTAL_IN (in) | ±2% | OBSD_RAINTOTAL_MM (mm) | ±2% | RainWise Mk III / 100m SW of Observatory |
| Sky Brightness | OBSD_VMAG (V/asec²) | ±0.03 | OBSD_VMAG (V/asec²) | ±0.03 | Unihedron SQM-LE / FWHM Angle of 20° |
| Infra-Red Sky Temperature | OBSD_IR_SKY_TEMPF (°F) | ±OBSD_IR_SKY_TEMPF_ERR | OBSD_IR_SKY_TEMPC (°C) | ±OBSD_IR_SKY_TEMPC_ERR | AAG CloudWatcher |
| Ambient Temperature | OBSD_AMBIENT_TEMPF (°F) | ±OBSD_AMBIENT_TEMPF_ERR | OBSD_AMBIENT_TEMPC (°C) | ±OBSD_AMBIENT_TEMPC_ERR | AAG CloudWatcher |
| Rain Frequency | OBSD_RAINFREQ_VAL (xx) | ±OBSD_RAINFREQ_ERR | OBSD_RAINFREQ_VAL (xx) | ±OBSD_RAINFREQ_ERR | AAG CloudWatcher |
Engineering Page Iowa Data Archive Page(s) Winer Graphical Data Server Page(s) Clear Sky Clock
Time of Last Reboot: OBSD_REBOOT
Version: obsd, OBSD_VERSION (P. N. Daly)
Credit(s):
Archive page(s) of weather and seeing data provided by the University of Iowa Clear sky clock for Winer Observatory is provided by Attilla Danko