| Parameter | US-Units | US-Error | Metric-Units | Metric-Error | Comment |
| Wind Speed | 12.00 (mph) | ±2% | 5.36 (m/s) | ±2% | RainWise Mk III / 100m SW of Observatory |
| Wind Direction | 247.00 (deg) | ±11.25 | 4.311 (rad) | ±0.20 | RainWise Mk III / N=0°,E=90°,S=180°,W=270° |
| Air Temperature | 77.00 (°F) | ±0.50 | 25.00 (°C) | ±0.25 | RainWise Mk III / 100m SW of Observatory |
| Air Temperature | 0.00 (°F) | ±0.36 | 0.00 (°C) | ±0.20 | Omega Engineering / Inside Observatory |
| Dew Point | 0.00 (°F) | ±0.45 | 0.00 (°C) | ±0.25 | Omega Engineering / Inside Observatory |
| Humidity Split (AT-DP) | 0.00 (°F) | ±0.45 | 0.00 (°C) | ±0.25 | Omega Engineering / Inside Observatory |
| Humidity | 0.00 (%) | ±2% | 0.00 (%) | ±2% | Omega Engineering / Inside Observatory |
| Humidity | 19.00 (%) | ±2% | 19.00 (%) | ±2% | RainWise Mk III / 100m SW of Observatory |
| Barometric Pressure | 26.16 (inHg) | ±0.004 | 88.59 (kpa) | ±0.005 | RainWise Mk III / 100m SW of Observatory |
| Sea-level Barometric Pressure | 31.16 (inHg) | ±0.004 | 105.53 (kPa) | ±0.005 | RainWise Mk III / 100m SW of Observatory |
| Rain for Today | 0.00 (in) | ±2% | 0.00 (mm) | ±2% | RainWise Mk III / 100m SW of Observatory |
| Sky Brightness | 19.01 (Vmag/asec²) | ±0.03 | 19.01 (Vmag/asec²) | ±0.03 | Unihedron SQM-LE / FWHM Angle of 20° |
| Infra-Red Sky Temperature | 0.00 (°F) | ±0.00 (°F) | 0.00 (°C) | ±0.00 (°C) | AAG CloudWatcher |
| Ambient Temperature | 0.00 (°F) | ±0.00 (°F) | 0.00 (°C) | ±0.00 (°C) | AAG CloudWatcher |
| Rain Frequency | 0.00 () | ±0.00 () | 0.00 () | ±0.00 () | AAG CloudWatcher |
Engineering Page Iowa Data Archive Page(s) Winer Graphical Data Server Page(s) Clear Sky Clock
Time of Last Reboot: 19 Days, 18h:35m:00s
Version: obsd, v2.1.1 04-Jul-2014 (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