Precipitable Water Vapour

Roque de los Muchachos Observatory (ORM)

GNSS technique: Station location: 28N45'50.25" - 17W53'37.82" - height: 2166.6 m (orthometric), 2207.0 m (ellipsoid)

PWV Express

7.18 mm

Median (5d)

1.74 mm

Mean (5d)

3.22 mm

Std. Dev. (5d)

3.31 mm

Tendency (12h)



File download

Long range file download

To request special access to download previous years contact skyteam at