******************************************************
             *                                                    *
             *   ARIZONA METEOROLOGICAL NETWORK WEEKLY SUMMARY    *
             *                                                    *
             *                     YUMA VALLEY                    *
             *                        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
    ------  --- -- --  --- -- --  --- ---  -- ----  ---  ----  ---- --- --- ---
    AUG  31  98 76 86   90 38 66   92  92  25  9.2  498  0.00  0.26  28  33  38

    SEP  1  101 80 89   90 29 62   95  91  20  7.6  549  0.00  0.27  30  35  40

    SEP  2  104 77 91   77 16 44   97  91  14  3.1  568  0.00  0.27  29  34  39

    SEP  3  107 79 92   66 17 39   98  92  13  3.4  555  0.00  0.28  30  34  39

    SEP  4  109 78 93   66 15 35   99  92  16  3.1  559  0.00  0.28  29  34  39

    SEP  5  112 77 94   64 11 31   99  92  15  3.4  557  0.00  0.29  29  34  39

    SEP  6  113 77 97   52  8 21   99  92  23  4.0  564  0.00  0.32  29  34  39

    ------  --- -- --  --- -- --  --- ---  -- ----  ---  ----  ---- --- --- ---
   AVERAGE  106 78 92   72 19 43   97  92      4.8  550
   TOTALS                                                0.00  1.97 204 238 273

                            ANNUAL & SEASONAL TOTALS
              ----------------------------------------------------
               HEAT UNITS^                CHILL INFORMATION^^
              -------------         ------------------------------
              86/55F = 4348         HOURS OF TEMP BELOW 45F = 473 
              86/50F = 5410         HOURS OF TEMP BELOW 32F = 4 
              86/45F = 6562         HOURS OF TEMP ABOVE 68F = 729 

   ****************************************************************************
   *                          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           *
   ****************************************************************************