JAMAICA BEACH WEATHER OBSERVATORY
   MONTHLY CLIMATOLOGICAL DATA SUMMARY
                DEC 1990

 DATE      MAX     MIN     PCPN     SNOW
 ---------------------------------------
 DEC 01     73      59        0        0
 DEC 02     72      62      .01        0
 DEC 03     70      50        T        0
 DEC 04     53      42        0        0
 DEC 05     58      48        0        0
 DEC 06     65      56      .23        0
 DEC 07     58      46      .01        0
 DEC 08     57      42        0        0
 DEC 09     62      49        0        0
 DEC 10     67      53        0        0
 DEC 11     71      60        0        0
 DEC 12     73      62        0        0
 DEC 13     73      62        0        0
 DEC 14     74      65        0        0
 DEC 15     74      65        0        0
 DEC 16     71      67      .07        0
 DEC 17     74      68        T        0
 DEC 18     71      55      .18        0
 DEC 19     67      57        0        0
 DEC 20     73      62        T        0
 DEC 21     73      42      .03        0
 DEC 22     43      28        T        0
 DEC 23     32      25        T        0
 DEC 24     38      23        0        0
 DEC 25     53      35        T        0
 DEC 26     64      45      .88        0
 DEC 27     50      46      .68        0
 DEC 28     64      48      .01        0
 DEC 29     70      61        T        0
 DEC 30     71      36        T        0
 DEC 31     40      30      .02        0
 ---------------------------------------
 SUM      1954    1549     2.12      0.0
 AVG      63.0    50.0

          SUMMARY OF THE MONTH 

 TEMPERATURE DATA (DEGREES F):
 HIGHEST...............	74º	DATE: 17+
 LOWEST................	23º	DATE: 24
 AVERAGE MAXIMUM.......	63.0º
 AVERAGE MINIMUM.......	50.0º
 AVERAGE MONTHLY.......	56.5º

 DEGREE DAY DATA (BASE 65ºF):
 HEATING DEGREE DAYS... 289
 SEASONAL (BEG JUL 1).. MISG
 COOLING DEGREE DAYS... 34
 SEASONAL (BEG JAN 1).. MISG

 PRECIPITATION DATA (INCHES):
 MONTHLY TOTAL......... 2.12
 MAX DAILY TOTAL....... 0.88	DATE: 26
 
 SNOW, ICE PELLETS AND HAIL (INCHES):
 MONTHLY TOTAL......... 0.0
 MAX DAILY TOTAL....... 0.0	DATE:
 MAX GROUND DEPTH...... T	DATE: 24+

 SYMBOLS USED:
 +   ALSO OCCURRED ON EARLIER DATE(S)
 T   TRACE: AN AMOUNT TOO SMALL TO MEASURE