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|       Abbreviation       |                                    Explanation                                     |
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| HUMIDITY AS DEW PT.      | Humidity data are given in terms of dew point temperature.                         |
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| HUMIDITY AS DPD.         | Humidity data are given in terms of dew point depression.                          |
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| HUMIDITY AS RH           | Humidity data are given in terms of relative humidity.                             |
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| WINDS IN KNOTS           | Winds are reported in units of knots (nautical miles per hour).                    |
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| WINDS IN M/SEC           | Winds are reported in units of meters per second.                                  |
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