Temperature in Deg.C
      ++----+---+---+----+---+---+----++
   22 ++    +   +   +    +   +   +    ++ 22
      |         **                     |
      |        *Last 24 Hours          |
   20 ++      *   *                   ++ 20
      |      *     *                   |
      |******      *                   |
   18 *+            *                 ++ 18
      |             **                 |
      |               *                |
      |                *               |
   16 ++               **             ++ 16
      |                  ****          |
      |                      *         |
   14 ++                     *        ++ 14
      |                       *      ***
      |                        *    *  |
   12 ++                        ****  ++ 12
      |+    +   +   +    +   +   +    +|
      ++----+---+---+----+---+---+----++
          Noon           Midnight