******************************************************
             *                                                    *
             *   ARIZONA METEOROLOGICAL NETWORK WEEKLY SUMMARY    *
             *                                                    *
             *                        MESA                        *
             *                        2008                        *
             *                                                    *
             ******************************************************


     DATE    AIR TEMP   REL HUM  SOIL TEMP  WIND   SOLAR RAIN  ETo  HEAT UNITS
                                   4"  20"  SPEED   RAD
             MX MN AV   MX MN AV   AV  AV  MX  AV                    55  50  45
    ------  --- -- --  --- -- --  --- ---  -- ----  ---  ----  ---- --- --- ---
    SEP  28 101 78 90   37  8 20   90  87  19  4.5  537  0.00  0.30  29  34  39

    SEP  29 100 73 88   34 10 18   87  87  22  5.4  530  0.00  0.31  27  32  37

    SEP  30 100 75 88   28 12 19   87  86  14  3.1  514  0.00  0.27  28  33  38

    OCT  1  102 76 88   33 10 19   87  86  12  2.2  514  0.00  0.25  28  33  38

    OCT  2  102 73 87   32 10 20   86  85  11  2.2  490  0.00  0.24  27  32  37

    OCT  3   94 75 84   34 13 24   85  85  13  3.4  385  0.00  0.20  27  32  37

    OCT  4   87 71 77   55 25 36   80  84  17  3.8  238  0.00  0.12  24  29  34

    ------  --- -- --  --- -- --  --- ---  -- ----  ---  ----  ---- --- --- ---
   AVERAGE   98 74 86   36 13 22   86  86      3.5  458
   TOTALS                                                0.00  1.69 190 225 260

                            ANNUAL & SEASONAL TOTALS
              ----------------------------------------------------
               HEAT UNITS^                CHILL INFORMATION^^
              -------------         ------------------------------
              86/55F = 5463         HOURS OF TEMP BELOW 45F = 378 
              86/50F = 6707         HOURS OF TEMP BELOW 32F = 0 
              86/45F = 8029         HOURS OF TEMP ABOVE 68F = 745 

   ****************************************************************************
   *                          ABBREVIATIONS AND UNITS                         *
   *                                                                          *
   *   MX : MAXIMUM FOR DAY          AIR TEMP : AIR TEMPERATURE IN DEGREES F  *
   *   MN : MINIMUM FOR DAY          REL HUM : RELATIVE HUMIDITY IN %         *
   *   AV : AVERAGE FOR DAY          SOLAR RAD : SOLAR RADIATION IN LANGLEYS  *
   *   WIND SPEED : IN MILES/HOUR    SOIL TEMP : SOIL TEMPERATURE AT 4 AND 20 * 
   *                                             INCHES IN DEGREES F          *
   *   RAIN : RAINFALL IN INCHES     ETo : REFERENCE CROP EVAPOTRANSPIRATION  *
   *                                       IN INCHES                          *
   *                                                                          *
   *            ## or 999 : MISSING DATA                                      *
   *                   55 : TEMPERATURE LIMITS = 86/55F                       *
   *                   50 : TEMPERATURE LIMITS = 86/50F                       *
   *                   45 : TEMPERATURE LIMITS = 86/45F                       *
   *                   ^  : ACCUMULATED SINCE JAN 1                           *
   *                   ^^ : ACCUMULATED BETWEEN  NOV 1 AND MARCH 31           *
   ****************************************************************************