A 6-hourly maximum temperature of -2.5° Celsius shall be coded in column 14 in the following format:

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The correct format for coding a 6-hourly maximum temperature of -2.5° Celsius in column 14 adheres to specific conventions used in meteorological reporting.

Temperature readings in column 14 are formatted to reflect their value and whether they fall above or below zero. In this case, -2.5° Celsius signifies a negative temperature. The coding format begins with a leading "1," which indicates it is a temperature reading, followed by two digits representing the absolute value of the temperature, and a final digit indicating the tenths of a degree.

For -2.5° Celsius:

  • The first digit is "1," indicating a temperature value.

  • The next two digits represent the absolute value of the temperature, which is 02 for 2 degrees.

  • The last digit represents tenths, yielding a "5" for the ".5" value.

Thus, when the negative temperature is accounted for, it leads to the configuration of 11025, where:

  • The first "1" represents a temperature observation.

  • "02" denotes 2 degrees.

  • "5" reflects the decimal component.

This encoding aligns with meteorological standards, confirming that a maximum temperature of -2.5° Celsius is correctly represented

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