What you will find Here in the ORSL Directory.....

ORSL
  Archived_Ceilometer
    CHM15k (Luft)
    CL31 (Vaisala)
    CL51 (Vaisala)
  Archived_Lidar
    Backscatter
    Leosphere_Doppler
    Micro_Pulse_Lidar
  Archived_Loggernet (Data source located on CCNY@Marshak)
    CCNY 
      YYYY (Day files w/ variable lables, summary)
    CCNY_Flux_Tower
      YYYY
    CCNY_Weather_Report
      YYYY (Tabled data)
    CCNY_Weather_Station
      YYYY (Raw data)
  Archived_Madis (See MADIS_ReadMe.txt)
    hi_mesonet (Mesonet group of reporting stations - historical data)
      YYYY
    hi_metar (Metar group of reporting stations - historical data)
      YYYY
    hi_urbanet (Urbanet group of reporting stations - historical data)
      YYYY
    rt_mesonet (Mesonet group of reporting stations - near real time feed)
      YYYY
    rt_metar (Metar group of reporting stations - near real time feed)
      YYYY
    rt_urbanet (Urbanet group of reporting stations - near real time feed)
  Archived_Microwave_Radiometer
    YYYY
  Current_Loggernet
    Current_Weather_Report (Current real time weather data - time is in UTC)