Temperature in Deg.C
      +-----+---------+---------+---------+---------+---------+---------+--+
   20 ++    +         +         +         +         +         +         +*++
      |                                                                  **|
   18 ++     *                                                 *        * *+
      |     * *        *                                      ***      *  **
   16 ++   *  *       *** *                         **        * **     *  +*
      |    *   *      *  ***    **        **        ***       *  **    *   |
   14 ++   *   *      *    *    **        **        * *      *     *  *   ++
      |    *   *     **     *  *  **      * *      *  *      *     ** *    |
      |    *    *   *        ***   ***    * *      *  *      *      * *    |
   12 *+   *    *  **         *      *   *   *     *   **   **       **   ++
      |**  *    *** *                 *  *   *     *     ****              |
   10 ++ **                           ** *    *   *                       ++
      |                                **     *   *                        |
    8 ++                                      *   *                       ++
      |                                       **  *                        |
    6 ++                                       ***                        ++
      |     +         +         +         +     **  +         +         +  |
    4 ++----+---------+---------+---------+---------+---------+---------+-++
           Thu       Fri       Sat       Sun       Mon       Tue       Wed
       A Week Ago                                                     Now