STATION NAME  ELEMENT   JAN   FEB   MAR   APR   MAY   JUN   JUL   AUG   SEP   OCT   NOV   DEC    ANN 

 SONORA         MAX    58.9  64.2  71.3  79.4  86.5  91.4  94.7  93.8  87.6  78.3  67.3  59.4   77.7
                MEAN   43.1  48.3  55.5  64.4  72.8  78.8  81.4  80.4  74.2  64.2  53.4  44.6   63.4
                MIN    27.2  32.3  39.6  49.3  59.1  66.2  68.0  66.9  60.7  50.1  39.4  29.7   49.0

                RAIN    .84  1.16  1.18  1.57  2.57  2.54  1.93  2.93  3.07  2.53  1.26   .82  22.40

Average First and Last Date of Freezes 1950 to 2006

Location        Average Last  Average First
                   Freeze        Freeze      

Rocksprings        Mar 18        Nov 19

Del Rio            Feb 21        Dec  1

Carrizo Springs    Feb 19        Nov 30

Eagle Pass         Feb 18        Dec  5