ARIZONA METEOROLOGICAL NETWORK MONTHLY SUMMARY

                                  Yuma Valley
                                September 2008 

       AIR TEMP DEW  REL HUM   SOIL T   WIND    SOL  RAIN  ETo ETo  HEAT UNITS
 Sep   MX MN AV  PT  MX MN AV    4 20  AV  MX              AZ  STD   55  50  45
 ---  --- -- -- ---  -- -- --  --- --  --  ---  ---  ----  --- ---  --- --- ---
   1  101 80 89  72  90 29 62   95 91  7.6  20  549  0.00  .27 .29   30  35  40
   2  104 77 91  63  77 16 44   97 91  3.1  14  568  0.00  .27 .24   29  34  39
   3  107 79 92  62  66 17 39   98 92  3.4  13  555  0.00  .28 .25   30  34  39
  --- --- -- --  -- --- -- ---  -- --  --  ---  ---  ----  --- ---  --- --- ----
  AVG 104 79 91  65  78 21 48   97 91  4.7  16  557
  TOT                                                0.00  0.8 0.8   88 103 118

  *****************************************************************************
  *                          ABBREVIATIONS AND UNITS                          *
  *                                                                           *
  *   AIR TEMP : AIR TEMPERATURE IN DEGREES F          MX : MAXIMUM FOR DAY   *
  *   DEW PT   : DEWPOINT IN DEGREES F                 MN : MINIMUM FOR DAY   *
  *   REL HUM  : RELATIVE HUMIDITY IN PERCENT          AV : AVERAGE FOR DAY   *
  *   SOL      : SOLAR RADIATION IN LANGLEYS          TOT : TOTAL FOR MONTH   *
  *   WIND : WIND SPEEDS IN MILES PER HOUR                                    *
  *   SOIL : SOIL TEMPERATURE AT 4 AND 20 INCHES, IN DEGREES F                *
  *   RAIN : RAINFALL IN INCHES                                               *
  *   ETo  : REFERENCE EVAPOTRANSPIRATION IN INCHES                           *
  *      AZ: AZMET ETo   STD: STANDARDIZED PENMAN-MONTEITH ETo                *
  *                                                                           *
  *     ## or 999 : MISSING DATA, ETo & HEAT UNIT TOTALS ARE PRORATED         *
  *            55 : TEMPERATURE LIMITS = 86/55  DEGREES F                     *
  *            50 : TEMPERATURE LIMITS = 86/50  DEGREES F                     *
  *            45 : TEMPERATURE LIMITS = 86/45  DEGREES F                     *
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