I leave you with an ascii plot of my raspberry pi's temperature graph for the last few days:

                                                         CPU Temp                                                      
  68000 +-----------------------------------------------------------------------------------------------------------+   
        |       +        +       +       +        +       +       +       +        +       +       +        +       |   
  66000 |-+                                                          *                                   *   *    +-|   
        |   ............................................................ ........................................   |   
  64000 |-+ *                       **********                    *************                    ************** +-|   
        |   ** *                 **************     *          *****************                *****************   |   
        |   ****              ******* ** ** * *  ****** * * *******  *** * ******              *****************    |   
  62000 |-+   ************ ********   ** ** * * *****************    *** * ******         ** **** *  ***********  +-|   
        |       *****************     *  ** * *** * * ***** **       *** * **** ****  **  *******    ***********    |   
  60000 |-+     ** *   *****          *  ** * ***      * *           *** * **** ******** ** **       ***********  +-|   
        |                             *  ** *  **                    *** * ** *   * ** **** *        * *********    |   
  58000 |-+                           *  ** *                        *** * ** *                      * *********  +-|   
        |                             *  ** *                        *** * ** *                      * *********    |   
  56000 |-+                           *  ** *                        *** * ** *                      * *********  +-|   
        |                             *  ** *                        *** * ** *                      * *********    |   
  54000 |-+                           *  ** *                        *** * ** *                      * *********  +-|   
        |                             *  ** *                        *** * ** *                      * *********    |   
  52000 |-+                           *  ** *                        *** * **                        * *********  +-|   
        |                             *  ** *                        *** * **                        *  * ******    |   
        |                             *  *                                                           *  *           |   
  50000 |-+                              *                                                                        +-|   
        |                                                                                                           |   
  48000 |-+                                                                                                       +-|   
        |   ............................................................ ........................................   |   
  46000 +-----------------------------------------------------------------------------------------------------------+   
      05/17   05/18    05/18   05/18   05/18    05/19   05/19   05/19   05/19    05/20   05/20   05/20    05/20   05/21 
      18:00   00:00    06:00   12:00   18:00    00:00   06:00   12:00   18:00    00:00   06:00   12:00    18:00   00:00 

The vertical streaks are when the CPU temp went over 65°C (149°F) and the fan kicked in. I can't believe it's still spring.