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Frequency of occurrence of a certain air temperature at various sites in the Czech Republic

Author

Listed:
  • V. Šleger

    (Faculty of Engineering, Czech University of Life Science Prague, Prague, Czech Republic)

  • P. Neuberger

    (Faculty of Engineering, Czech University of Life Science Prague, Prague, Czech Republic)

Abstract

The present paper analyses the problem of calculation of the average number of hours in a year during which air temperature is lower than a preselected limiting level. A method for estimating the number of hours in situations where only the minimum, average, and maximum daily temperature data are available has been suggested and tested. The work encompassed 30 sites in the Czech Republic at different altitudes and with different average temperatures, using weather data from the 1961-2000 period. The results are presented in the tabular form. It is shown that interdependence exists between the number of hours with temperatures lower than a preselected limiting level and the average yearly temperature at the specific site. For instance, temperatures below 15°C during a typical year at a site with an average yearly temperature θyr (°C) within the range of 2.8°C to 9°C can be expected (coefficient of determination 0.986) for a time τ (h) calculated from the quadratic equation τ = -12.992 × θyr 2 - 116.6 × θyr + 8,483.

Suggested Citation

  • V. Šleger & P. Neuberger, 2010. "Frequency of occurrence of a certain air temperature at various sites in the Czech Republic," Research in Agricultural Engineering, Czech Academy of Agricultural Sciences, vol. 56(4), pages 127-137.
    • Handle: RePEc:caa:jnlrae:v:56:y:2010:i:4:id:4-2010-rae
    DOI: 10.17221/4/2010-RAE
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