******************************************************
             *                                                    *
             *   ARIZONA METEOROLOGICAL NETWORK WEEKLY SUMMARY    *
             *                                                    *
             *                     YUMA 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  12 103 63 84   65 10 31   76  72  10  3.1  688  0.00  0.31  23  28  33

    MAY  13 102 63 84   67  9 35   77  73  12  3.8  687  0.00  0.33  23  28  33

    MAY  14 100 65 83   69 14 39   81  73  17  4.7  676  0.00  0.33  24  29  34

    MAY  15 100 60 81   78 10 38   82  74  14  3.6  704  0.00  0.31  21  26  31

    MAY  16  98 62 80   72 11 38   83  75  15  4.5  693  0.00  0.32  22  27  32

    MAY  17  92 58 78   76 14 36   81  75  25  6.5  597  0.00  0.30  19  24  29

    MAY  18  92 67 78   56 13 33   81  75  17  6.3  687  0.00  0.32  23  28  33

    ------  --- -- --  --- -- --  --- ---  -- ----  ---  ----  ---- --- --- ---
   AVERAGE   98 63 81   69 12 36   80  74      4.6  676
   TOTALS                                                0.00  2.22 155 190 225

                            ANNUAL & SEASONAL TOTALS
              ----------------------------------------------------
               HEAT UNITS^                CHILL INFORMATION^^
              -------------         ------------------------------
              86/55F = 1539         HOURS OF TEMP BELOW 45F = 413 
              86/50F = 2075         HOURS OF TEMP BELOW 32F = 2 
              86/45F = 2666         HOURS OF TEMP ABOVE 68F = 889 

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