The reported metar is not in the std 8 figures group display
The US website is nice, but metar translations do not include 8 figures code :
METAR text: ESSA 221720Z 34009KT 9999 SCT006 M02/M03 Q0993 01720156 51720136 08720137 TEMPO 3000 -SHSN BKN008
Conditions at: ESSA (STOCKHOLM/ARLAND, SE) observed 1720 UTC 22 November 2008
Temperature: -2.0°C (28°F)
Dewpoint: -3.0°C (27°F) [RH = 93%]
Pressure (altimeter): 29.32 inches Hg (993.0 mb)
Winds: from the NNW (340 degrees) at 10 MPH (9 knots; 4.7 m/s) Visibility: 6 or more miles (10+ km)
Ceiling: at least 12,000 feet AGL
Clouds: scattered clouds at 600 feet AGL
Weather: no significant weather observed at this time