Why are there more rain gages in some areas of the County than in others?

The density of rain gauges and the placement of individual gauges are based on a variety of factors, including: - District Projects in the Area - Environmental Restraints - Flood Hazard Potential - The Location of Channels - Permitting Requirements - The Proximity of Existing Gauges - Watershed Boundaries

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1. What is an ALERT Station?
2. Is there additional rainfall, streamflow and weather data besides what is shown in the Rainfall and Weather section of this website?
3. Why do most of the rain gages appear to read in increments of 0.04 inches?
4. Why are there more rain gages in some areas of the County than in others?
5. Why do some wind speed sensors appear to read so low?
6. What is a "water-year"?