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help in Linux please!!

The U.S. National Climatic Data Center (NCDC) records (among other physical quantities of interest) temperatures hourly at close to 10,000 stations nationwide (as of July 2011). For each station it publishes hourly temperatures averaged over a period of 30 years. - The file allstations.txt is a lookup table of all the stations: grep "TEMPE" allstations.txt yields USC0002849933.4258-111.9217355.7AZTEMPEASU showing the station code, latitude, longitude, and elevation of the station, the state and location. Additional info about the station network may also be included for other stations. The station located on the Tempe ASU campus has code USC00028499, latitude 33.4258=332533N,111.9217=1115518W. The format used is a fixed-width for each field. More info can be obtained in the readme file (section III.E). - The file hly-temp-normal.txt (17.0MB) contains the hourly temperature averages (in this case for the period 01/01/1981-12/31/2010) for every station. The data format is described in the readme file (section III.D). What is the average temperature in AURORA, Colorado, in January? over the whole year? How many stations record average hourly temperatures exceeding 100 degrees at any time of the year