******************************************************
             *                                                    *
             *   ARIZONA METEOROLOGICAL NETWORK WEEKLY SUMMARY    *
             *                                                    *
             *                     SAN SIMON                      *
             *                        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  83 49 68   67 13 32   75  72  27  7.6  691  0.00  0.33  12  16  21

    MAY  13  86 49 69   50  8 22   76  72  30  7.8  708  0.00  0.36  14  17  23

    MAY  14  91 48 74   57  9 24   79  72  21  3.8  686  0.00  0.30  15  19  24

    MAY  15  93 59 79   38  9 18   82  73  29  9.4  694  0.00  0.41  20  25  30

    MAY  16  94 52 77   47  8 18   81  74  26  6.9  716  0.00  0.38  17  21  26

    MAY  17  94 53 77   38  5 15   83  74  22  6.3  699  0.00  0.35  17  22  27

    MAY  18  89 60 75   34  7 15   83  75  32  8.7  703  0.00  0.39  19  24  29

    ------  --- -- --  --- -- --  --- ---  -- ----  ---  ----  ---- --- --- ---
   AVERAGE   90 53 74   47  8 21   80  73      7.2  700
   TOTALS                                                0.00  2.52 114 144 179

                            ANNUAL & SEASONAL TOTALS
              ----------------------------------------------------
               HEAT UNITS^                CHILL INFORMATION^^
              -------------         ------------------------------
              86/55F = 886          HOURS OF TEMP BELOW 45F = 1629 
              86/50F = 1232         HOURS OF TEMP BELOW 32F = 526 
              86/45F = 1650         HOURS OF TEMP ABOVE 68F = 443 

   ****************************************************************************
   *                          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 Apr 8 2011                      *
   *                   ^^ : ACCUMULATED BETWEEN APR 8 AND MARCH 31            *
   ****************************************************************************