ARIZONA METEOROLOGICAL NETWORK MONTHLY SUMMARY

                                    Tucson 
                                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   90 68 79  65  98 31 67   81 78  2.9  12  578  0.00  .22 .20   23  28  33
   2   97 67 81  62  97 17 59   82 78  2.2  12  594  0.00  .23 .21   24  29  34
   3   94 68 81  61  87 24 54   82 79  2.5  22  475  0.01  .19 .19   24  29  34
   4   97 67 82  57  88 15 48   83 79  2.9  13  596  0.00  .26 .22   24  29  34
   5  100 63 81  52  88  9 44   83 80  1.8  10  604  0.00  .25 .20   23  28  33
   6  102 64 83  50  80 11 38   80 79  2.5  12  583  0.00  .26 .22   23  28  33
  --- --- -- --  -- --- -- ---  -- --  --  ---  ---  ----  --- ---  --- --- ----
  AVG  97 66 81  58  89 18 52   82 79  2.5  13  571
  TOT                                                0.01  1.5 1.3  142 172 202

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