FAQ: Difference between revisions

70 bytes removed ,  10:09, 5 February 2013
m
→‎Where should I position the rain sensor: removed specific reference to Davis
m (→‎Where should I position the rain sensor: removed specific reference to Davis)
Line 468: Line 468:
Officially the rain gauge should at a distance away of 2 times the height of each nearby object (buildings, trees, walls, solid fences etc.) and just high enough off ground level to avoid possibility of splashing.  
Officially the rain gauge should at a distance away of 2 times the height of each nearby object (buildings, trees, walls, solid fences etc.) and just high enough off ground level to avoid possibility of splashing.  


You can experiment, but for amateurs, no more than a metre off the ground (or roof if mounted above it)* and at least a metre from any wall or solid fence whose height exceeds that of the sensor seems good enough.  
You can experiment, but for amateurs, no more than a metre off the ground (or roof if mounted above it) and at least a metre from any chimney, wall or solid fence whose height exceeds that of the sensor seems good enough.  


You can find lots of discussions online about wind effects, and rain shadows, together with research on positioning requirements in rural and urban locations. A good starting point is [http://www.rmets.org/weather-and-climate/observing/guidelines-observing-0 this UK website]  
You can find lots of discussions online about wind effects, and rain shadows, together with research on positioning requirements in rural and urban locations. A good starting point is [http://www.rmets.org/weather-and-climate/observing/guidelines-observing-0 this UK website].
 
Note * not possible for Davis stations if temperature measuring criteria met


== How do I protect my rain gauge against spiders or other natural problems ==
== How do I protect my rain gauge against spiders or other natural problems ==
5,838

edits