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Logan Visitor Center Station

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Logan visitor station meteorological station located at Logan Pass in Glacier National Park, MT, which has been collecting temperature, wind, solar radiation, and relative humidity data intermittently since 1995.sm

Daily Summaries for Logan

Elevation: 6646 feet

A meteorological station located at Logan Pass in Glacier National Park, MT, has been collecting temperature, wind, solar radiation, and relative humidity data intermittently since 1995. All data are preliminary and subject to change. Daily temperature summaries of these data are illustrated below. Each day is represented by a 24 hour average. Days with less than 24 hours of recorded data are represented as missing days.










Figure 1.0.  Figure 1.0 Average daily temperatures at Logan Pass in Glacier National Park, MT, years 1996-2010. Each year (water year) runs from October 1 through September 30. The daily value is an average of 24 hourly average values. Any day with less than 24 hours of data is excluded from this data set and represented by missing data.





Figure 1.1.  Number of days where minimum temperatures are below 60 degrees Fahrenheit during spring. Spring is defined as the days between spring equinox and summer solstice.  Any day with less than 24 hours of data is excluded, and the error bars represent these missing days.





Figure 1.2 Minimum daily temperatures at Logan Pass in Glacier National Park, MT, years 1996-2010. Each year (water year) runs from October 1 through September 30. The daily Tmin value is the lowest of 24 average hourly temperatures. Any day with less than 24 hours of data is excluded from this data set and represented by missing data.





Figure 2.0 Annual number of days when maximum daily temperature is greater than 60 degrees Fahrenheit at Logan Pass in Glacier National Park, MT, years 1996-2010. Each year (water year) runs from October 1 through September 30. Any day with less than 24 hours of data is excluded from this data set and represented by missing data.





Figure 2.1 Annual number of days when minimum daily temperature is less than 32 degrees Fahrenheit at Logan Pass in Glacier National Park, MT, years 1996-2010. Each year (water year) runs from October 1 through September 30. Any day with less than 24 hours of data is excluded from this data set and represented by missing data.





Figure 2.2 Annual number of days when minimum daily temperature is less than zero degrees Fahrenheit at Logan Pass in Glacier National Park, MT, years 1996-2010. Each year (water year) runs from October 1 through September 30. Any day with less than 24 hours of data is excluded from this data set and represented by missing data.





Figure 3.0 Number of days when maximum temperatures are above 60 degrees Fahrenheit during the fall. Fall is defined as the days occurring between fall equinox and winter solstice.  Any day with less than 24 hours of data is excluded. Missing days are represented by the error bars.





Figure 3.1 Number of days when maximum temperatures are above 60 degrees Fahrenheit during the spring. Spring is defined as the days between spring equinox and summer solstice. Any day with less than 24 hours of data is excluded. Missing days are represented by the error bars.





Figure 3.2  Number of days when maximum temperatures are above 60 degrees Fahrenheit during summer. Summer is defined as the days occurring between summer solstice and fall equinox. Any day with less than 24 hours of data is excluded. Missing days are represented by the error bars.





Figure 4.0 Number of days when minimum temperatures are below 32 degrees Fahrenheit during the fall. Fall is defined as the days occurring between fall equinox and winter solstice.  Any day with less than 24 hours of data is excluded. Missing days are represented by the error bars.





Figure 4.1 Number of days when minimum temperatures are below 32 degrees Fahrenheit during the winter. Winter is defined as the days occurring between winter solstice and spring equinox. Any day with less than 24 hours of data is excluded. Missing days are represented by the error bars.





Figure 4.2 Number of days when minimum temperatures are below 32 degrees Fahrenheit during spring. Spring is defined as the days between spring equinox and summer solstice.  Any day with less than 24 hours of data is excluded. Missing days are represented by the error bars.

Figure 4.3 Number of days when minimum temperatures are below 32 degrees Fahrenheit during summer. Summer is defined as the days occurring between summer solstice and fall equinox. Any day with less than 24 hours of data is excluded. Missing days are represented by the error bars.

Figure 5.0 Number of days when minimum temperatures are below 0 degrees Fahrenheit during the fall. Fall is defined as the days occurring between fall equinox and winter solstice.  Any day with less than 24 hours of data is excluded. Missing days are represented by the error bars.

Figure 5.1  Number of days when minimum temperatures are below 0 degrees Fahrenheit during the winter. Winter is defined as the days occurring between winter solstice and spring equinox.  Any day with less than 24 hours of data is excluded. Missing days are represented by the error bars.

Figure 5.2 Number of days when minimum temperatures are below 0 degrees Fahrenheit during spring. Spring is defined as the days between spring equinox and summer solstice.  Any day with less than 24 hours of data is excluded. Missing days are represented by the error bars.

Summary Statistics for Logan

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Table 1.0. Total number of missing days of data at Logan Pass, 1996-2009.

Table 1.0 Total number of missing days of data at Logan Pass, 1996-2009.




Table 1.1 Number of degree days and missing days of data at Logan Pass during spring, water years 1996-2009.

Table 1.1 Number of degree days and missing days of data at Logan Pass during spring, water years 1996-2009.



Table 1.2  Number of degree days and missing days of data at Logan Pass during summer, water years 1996-2009.

Table 1.2 Number of degree days and missing days of data at Logan Pass during summer, water years 1996-2009.




Table 1.3  Number of degree days and missing days of data at Logan Pass during fall, water years 1996-2009.

Table 1.3 Number of degree days and missing days of data at Logan Pass during fall, water years 1996-2009.




Table 1.4  Number of degree days and missing days of data at Logan Pass during winter, water years 1996-2009.

Table 1.4 Number of degree days and missing days of data at Logan Pass during winter, water years 1996-2009.




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