Year Mon Da ZZ N dd ff VV temp dewp mslp 2012 May 21 09 High Wycombe / 01 06 57 9.2 7.4 1010.1 Haze 2012 May 21 09 Heathrow / 36 07 66 11.0 8.0 1009.7 2012 May 21 06 High Wycombe / 03 08 50 7.3 6.4 1009.3 Mist 2012 May 21 06 Heathrow / 01 07 62 9.5 7.5 1008.8 2012 May 21 03 High Wycombe / 03 10 59 7.6 6.2 1009.2 Haze 2012 May 21 03 Heathrow / 36 07 65 9.3 7.3 1008.5 2012 May 21 00 High Wycombe / 03 09 68 8.3 6.3 1010.0 2012 May 21 00 Heathrow / 01 08 72 10.0 7.1 1009.7 2012 May 20 21 High Wycombe / 03 07 59 8.5 7.0 1010.6 Haze 2012 May 20 21 Heathrow / 03 07 67 10.5 7.9 1010.1 2012 May 20 18 High Wycombe / 03 08 59 9.2 7.3 1009.8 Haze 2012 May 20 18 Heathrow / 02 08 72 11.6 8.0 1009.6 2012 May 20 15 High Wycombe / 04 07 61 9.6 7.1 1011.0 2012 May 20 15 Heathrow / 03 08 69 11.6 7.9 1010.5 2012 May 20 12 High Wycombe / 05 09 64 8.7 6.5 1011.5 2012 May 20 12 Heathrow / 01 09 77 10.9 7.7 1011.1
Year - year
Mon - month
Da - day of month
ZZ - observation time (GMT)
N - cloud cover (oktas, 9=obscured)
dd - wind direction (00=calm, 09=090deg, 12=120deg, etc)
ff - wind speed (knots)
VV - visibility (01-50= 0100-5000m; 56= 6km; 57= 7km etc; 80; 30km; 81; 35km; 82= 40km, etc.)
temp - air temperature (C)
dewp - dew point (C)
mslp - mean sea level pressure (mb)
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