******************************************************
             *                                                    *
             *   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  12 102 61 83   87 10 37   90  81  12  2.7  639  0.00  0.28  22  27  32

    MAY  13 104 63 83   88  8 43   91  82  12  2.5  638  0.00  0.28  23  28  33

    MAY  14 100 65 82   76 12 42   91  83  16  4.9  625  0.00  0.30  24  29  34

    MAY  15  99 62 80   83 12 41   91  83  12  3.8  650  0.00  0.28  22  27  32

    MAY  16  97 60 79   84 10 43   90  84  14  3.6  644  0.00  0.28  21  26  31

    MAY  17  91 58 77   81 14 39   89  84  19  4.5  542  0.00  0.24  19  24  29

    MAY  18  91 59 75   78 14 44   88  84  15  3.8  631  0.00  0.26  19  24  29

    ------  --- -- --  --- -- --  --- ---  -- ----  ---  ----  ---- --- --- ---
   AVERAGE   98 61 80   82 11 41   90  83      3.7  624
   TOTALS                                                0.00  1.92 150 185 220

                            ANNUAL & SEASONAL TOTALS
              ----------------------------------------------------
               HEAT UNITS^                CHILL INFORMATION^^
              -------------         ------------------------------
              86/55F = 1418         HOURS OF TEMP BELOW 45F = 581 
              86/50F = 1920         HOURS OF TEMP BELOW 32F = 7 
              86/45F = 2489         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           *
   ****************************************************************************