Astroclimatology of La Silla
General Observing Conditions and Data for La Silla
- Seeing.
- Atmospheric Extinction Coefficients at La Silla (from Geneva Observatory)
- Differential atmospheric refraction
- Sky Brightness (V and NIR)
- Precipitable Water Vapour and localRelative Humidity
- Wind, Air Temperature, Dew Point and Relative Humidity Statistics, 2002 to 2006 (pdf) andseasonal, 1999 to 2007 (pdf)
- Cloudiness Monthly Average since 1983, differential Paranal-La Silla , Seasonal
- Wind Velocity Distribution at ground level (Oct89-Jun91) and at the tropopause level
Yesterday, Today and Tomorrow
- Real Time Astroclimate
- Tonight's Sky Transparency and archives
- Next 36 hour Weather Forecasts
Further Info
- TheLa Silla Astronomical Site Monitor (ASM)
- Environmental Conditions at ESO Observatories (Trimestrial Reports,discontinued in 1999)
- An analysis of the relationship of El-Nino to the cloud cover at ESO observatories, The ESO Messenger 90, December 97 ( ps file )