Astroclimatology of Paranal

Monthly Statistics (99-02) Teta0 vs. 200mb wind Annual Statistics ( 2005 2004 2003 2002 2001 2000 1999 )

Teta0 at Paranal: Annual Statistics

Isoplanatic angle statistics 1999-2003 (10mn averages, 535000 samples)

Photometric Nighttime (23h-10hUT)	median (")	teta0 > 3" (%)
January	2.6	31
February	2.8	37
March	2.8	43
April	2.7	37
May	2.4	22
June	2.3	15
July	2.4	20
August	2.3	21
September	2.2	16
October	2.4	19
November	2.6	28
December	2.6	30
Year	2.5	27

Relation of teta0 to the 200mb wind velocity (ca. 10km above the site)

Statistics 2005 (10mn averages)

Statistics 2004 (10mn averages)

Statistics 2003 (10mn averages)

Statistics 2002 (10mn averages)

Statistics 2001 (10mn averages)

Statistics 2000 (10mn averages)

Statistics 1999 (10mn averages)