ARIZONA METEOROLOGICAL NETWORK MONTHLY SUMMARY

                                   San Simon                                    
                                 December 2025                                  

       AIR TEMP DEW  REL HUM   SOIL T   WIND    SOL  RAIN  ETo ETo  HEAT UNITS
 Dec   MX MN AV  PT  MX MN AV    4 20  AV  MX              AZ  STD   55  50  45
 ---  --- -- -- ---  -- -- --  --- --  --  ---  ---  ----  --- ---  --- --- ---
   1   65 33 47  36  98 33 71   54 59  1.8  15  307  0.00  .09 .06    3   5   7
   2   67 30 45  32  98 27 67   53 59  1.1  11  314  0.00  .09 .05    3   5   7
   3   66 35 48  35  96 27 65   53 58  3.6  20  271  0.06  .10 .08    3   5   8
   4   60 29 42  33  98 30 74   52 58  0.7   9  312  0.00  .08 .04    1   2   5
   5   61 28 42  30  98 29 68   50 58  1.3  12  303  0.00  .09 .05    1   3   5
   6   67 28 43  28  94 21 60   50 57  1.6  13  306  0.00  .09 .06    3   5   8
   7   68 29 44  27  90 18 58   50 57  0.9   8  308  0.00  .09 .05    3   5   8
   8   69 26 44  26  90 18 56   50 56  0.9   8  307  0.00  .09 .05    3   6   8
   9   69 25 44  22  90 13 52   50 56  0.9   9  309  0.00  .09 .05    4   6   8
  --- --- -- --  -- --- -- ---  -- --  --  ---  ---  ----  --- ---  --- --- ----
  AVG  66 29 44  30  95 24 63   51 58  1.4  12  304
  TOT                                                0.06  0.8 0.5   24  42  64
                    
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  *                          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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