[{
"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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    [250,144],
    [300,144],
    [350,142],
    [400,140],
    [450,133],
    [500,124],
    [550,120],
    [600,114],
    [650,95],
    [700,79],
    [750,56],
    [775,46],
    [800,37],
    [825,21],
    [850,14],
    [875,12],
    [900,10],
    [925,7],
    [950,5],
    [975,3],
    [1000,null]
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  ]
}]