The Grand Wash Basin does not contain NOAA/NWS, Evaporation Pan, AZMET or SNOTEL/Snowcourse stations. Figure 6.2-3 shows precipitation contour data from the Spatial Climate Analysis Service (SCAS) at Oregon State University. More detailed information on climate in the planning area is found in Section 6.0.3. A description of the climate data sources and methods is found in Volume 1, Appendix A. For a link to the climate data source web page click its header.
SCAS Precipitation Data
- See Figure 6.2-3
- Average annual rainfall is as high as 16 inches in the northern portion of the basin and four inches or less near Lake Mead.
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Click to view Figure 6.2-3 Grand Wash Basin Meteorologic Stations and Annual Precipitation
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Arizona Department of Water Resources
Statewide Planning, Water Atlas owner of this page.
