******************************************************
             *                                                    *
             *   ARIZONA METEOROLOGICAL NETWORK WEEKLY SUMMARY    *
             *                                                    *
             *                 YUMA-N.GILA VALLEY                 *
             *                        2013                        *
             *                                                    *
             ******************************************************


     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
    ------  --- -- --  --- -- --  --- ---  -- ----  ---  ----  ---- --- --- ---
    MAY  5   88 59 73   70 14 36   84  80  21  5.1  560  0.00  0.26  18  23  28

    MAY  6   83 53 70   86 27 48   84  80  20  5.6  624  0.00  0.26  13  18  23

    MAY  7   79 54 69   82 28 47   83  80  20  6.3  599  0.00  0.25  12  17  22

    MAY  8   82 51 67   87 17 49   82  80  12  3.6  603  0.00  0.23  12  17  22

    MAY  9   86 55 71   83 18 50   83  80  13  3.8  636  0.00  0.25  15  21  26

    MAY  10  94 57 75   89 11 50   85  80  16  3.1  632  0.00  0.26  19  24  29

    MAY  11 100 59 80   82 10 42   87  80  16  3.8  637  0.00  0.29  21  26  31

    ------  --- -- --  --- -- --  --- ---  -- ----  ---  ----  ---- --- --- ---
   AVERAGE   87 55 72   83 18 46   84  80      4.5  613
   TOTALS                                                0.00  1.80 110 145 180

                            ANNUAL & SEASONAL TOTALS
              ----------------------------------------------------
               HEAT UNITS^                CHILL INFORMATION^^
              -------------         ------------------------------
              86/55F = 1269         HOURS OF TEMP BELOW 45F = 581 
              86/50F = 1735         HOURS OF TEMP BELOW 32F = 7 
              86/45F = 2270         HOURS OF TEMP ABOVE 68F = 791 

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