My WeatherHawk doesnt have a solar radiation shield. Isnt that required to get reliable temperature and Relative Humidity readings?
1. Solar radiation shields are always utilized on scientific weather stations costing hundreds, or thousands of dollars more than a WeatherHawk. They are designed to minimize the effects of solar (sun) heating from both direct (the sun is shining directly on the sensor), and reflected (indirect solar energy reflecting off snow, water, light colored soil, etc.) sources. There are two typical types of solar radiation shield; they are the aspirated and passive (non-aspirated) types. Passive shields often look like a stack of small pie plates, with the temperature and relative humidity sensors located inside them. The most effective solar radiation shields are aspirated types, and they come in a variety of shapes and designs. They are called aspirated because air is constantly moved through them by a small fan. This minimizes the build-up of heat inside the shield when there is no wind. Although many lower cost weather stations use variations on passive shields they do not use aspirated sh
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