Astroclimatology of Paranal | |||||
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Monthly Statistics (99-03)     Fwhm vs. Hbar   Annual Statistics ( 1999-2004   2006   2005   2004   2003   2002   2001   2000   1999   ) |
Fwhm at Paranal: Annual Statistics under photometric conditions
Photometric Nighttime (23h-10hUT)
median (") 5 percentile
1999 0.78 0.44 2000 0.75 0.43 2001 0.80 0.46 2002 0.92 0.57 2003 0.72 0.42 2004 0.71 0.45 2005 0.78 0.50 2006 0.87 0.55 1999-2006 0.83 0.47
Photometric Nighttime (23h-10hUT)
median (") fwhm < 0.5" (%)
January 0.86 09 February 0.84 10 March 0.75 09 April 0.70 09 May 0.79 09 June 0.80 09 July 0.79 09 August 0.84 09 September 0.84 09 October 0.81 09 November 0.77 09 December 0.83 09 Year 0.80 09