about the wind speed on my Davis Vantage Vue

[WXStevo]

Hello my Davis Vantage Vue got down 0.6C with -1.5C app temp at 3 metres above ground this morning but other station got down 0.1C 482m Sea above level And Warwick AWS got down 0.1C Sea Above Level is 480m
i have trees neighbours and but my station is on Sea Above Level is 467m Please help and with wind should i put wind multipular?

[philpugh]

The VantageVue is a bit of a compromise unfortunately. I have mine mounted at 3m above the ground . Luckily it is open to the winds apart from a bit of blocking by the house 45m away. Readings are still a bit on the low side. I decided to live with it as there is no practical way I can measure 'real' wind speed at 10m above ground, to estimate the multiplier, without buying another sensor. It is possible to add an additional wind sensor to the VantageVue - allowing it to be positioned at the 'correct' height.