Delete this from a javascript object in a jQuery .each()

I am having trouble deleting this from the following javascript object, when this is from a jquery .each() loop.

weatherData:

{
     "events":{
         "Birthday":{
             "type":"Annual",
             "date":"20120523",
             "weatherType":"clouds",
             "high":"40",
             "low":"30",
             "speed":"15",
             "direction":"0",
             "humidity":"0"
         },
         "Move Out Day":{
             "type":"One Time",
             "date":"20120601",
             "weatherType":"storm",
             "high":"80",
             "low":"76",
             "speed":"15",
             "direction":"56",
             "humidity":"100"
         }
     },
     "dates":{
         "default":{
             "type":"clouds",
             "high":"40",
             "low":"30",
             "speed":"15",
             "direction":"0",
             "humidity":"0"
         },
         "20120521":{
             "type":"clear",
             "high":"60",
             "low":"55",
             "speed":"10",
             "direction":"56",
             "humidity":"25"
         }
     }
 }
 

This is a shrunken version of the .each() loop:

$.each(weatherData.events, function(i){
     if(this.type == "One Time"){
         delete weatherData.events[this];
     }
 })
 

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