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Santa Cruz AMA Climate

Climate data from NOAA/NWS Co-op Network and Evaporation Pan stations are complied in Table 8.4-1 and the locations are shown on Figure 8.4-3.  Figure 8.4-3 also shows precipitation contour data from the Spatial Climate Analysis Service (SCAS) at Oregon State University.  The Santa Cruz AMA does not contain AZMET or SNOTEL/Snowcourse stations.  More detailed information on climate is found in Section 8.0.3.  A description of the climate data sources and methods is found in Volume 1, Appendix A.

NOAA/NWS Co-op Network

  • Refer to Table 8.4-1A
  • There are four NOAA/NWS Co-op Network stations in the AMA.  The average monthly maximum temperature occurs in July and is between 78°F and 81.1°F. The average monthly minimum temperature occurs in January and is between 45.5°F and 48.4°F.
  • Highest average seasonal rainfall occurs in the summer (July-September).  For the period of record used, the highest average annual rainfall is 19.03 inches at the Nogales 6N station and the lowest is 15.70 inches at the Old Nogales station.

Evaporation Pan

  • Refer to Table 8.4-1B
  • There is one Evaporation Pan station in the AMA.
  • Elevation at the station is 3,560 feet and average annual evaporation is 91.2 inches.

SCAS Precipitation Data

  • See Figure 8.4-3
  • Additional precipitation data shows average annual rainfall as high as 36 inches on the eastern AMA boundary and as low as 14 inches in the center of the AMA in the vicinity of Amado and Tubac.

Click to view Table 8.4-1

Table 8.4-1 Climate Data for the Santa Cruz AMA

Click to view Figure 8.4-3

Figure 8.4-3 Santa Cruz AMA Meteorologic Stations and Annual Precipitation


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