![(archived) Guide J: Weather, solar and illuminance data (pdf) (2002)](/media/hfcnu25x/archived-square.jpg?anchor=center&mode=crop&width=640&rnd=133408226138900000)
- Standard Rate
- £175.00 +VAT
- Member Rate
- £87.50 +VAT
This edition of Guide J was withdrawn in 2015. There is no new edition.
This archived edition of Guide J is made available for reference only, and should not be used on current projects.
For up-to-date information on weather, see our weather data page.