[{
"type": "hist",
"xtitle": "Pressure, hPa",
"ytitle": "Number of Observation",
"color": ["#aa00aa"],
"content": [
  {"name": "GPSMET (UCAR wet)", "data":[
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    [2,null],
    [3,null],
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    [10,null],
    [20,null],
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    [150,155],
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    [200,155],
    [225,154],
    [250,154],
    [300,154],
    [350,152],
    [400,149],
    [450,141],
    [500,132],
    [550,130],
    [600,122],
    [650,106],
    [700,79],
    [750,52],
    [775,44],
    [800,37],
    [825,29],
    [850,20],
    [875,11],
    [900,7],
    [925,7],
    [950,4],
    [975,1],
    [1000,null]
  ]}
  ]
}]