| Code/Flag Figure |
Description |
Status |
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0
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INCREASING, THEN DECREASING: ATMOSPHERIC PRESURE THE SAME OR HIGHER THAN 3 HOURS AGO (OR 24 HOURS AGO )
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1
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INCREASING, THEN STEADY; OR INCREASING; THEN MORE SLOWLY
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2
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INCREASING (STEADILY OR UNSTEADILY )
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3
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DECREASING OR STEADY, THEN INCREASING; RAPIDLY
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4
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STEADY; ATMOSPHERIC PRESSURE THE SAME AS 3 HOURS AGO (OR 24 HOURS)
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5
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DECREASING; THEN INCREASING; ATMOSPHERIC PRESSURE THE SAME O R LOWER THAN 3 HOURS AGO
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6
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DECREASING, THEN STEADY; OR DECREASING, DECREASING MORE SLOW LY
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7
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DECREASING (STEADILY OR UNSTEADELY )
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8
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STEADY OR INCREASING, THEN DECREASING; OR DECREASING, THEN DECREASING MORE RAPIDLY
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15
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MISSING
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