Campbell RAWS-F Specifications download pdf (Page 40)

RAWS-F Remote Automated Weather Station for Fire Weather

FIGURE 8.3-4. USGS web calculator

In the example above the declination for Logan, UT is 12º 24′ or 12.4º. As

shown in Figure 9.3-4, the declination for Utah is east (positive), so True North

for this site is 360 – 12.4 = 347.6 degrees. The annual change is 7 minutes

west per year or -7 minutes/year.

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Campbell RAWS-F Specifications Page 40