000 CXGM50 PGUM 041520 CLMGUM CLIMATE REPORT NATIONAL WEATHER SERVICE TIYAN, GUAM 120 AM CHST SAT JAN 5 2013 ................................... ...THE GUAM INTERNATIONAL AIRPORT GU CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2012... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1945 TO 2013 WEATHER OBSERVED NORMAL DEPART LAST YEAR'S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 91 12/03/2012 12/02/1994 12/26/1988 LOW 68 12/31/1962 HIGHEST 91R 12/03 MM MM 88 12/26 12/21 12/20 LOWEST 75 12/29 MM MM 73 12/31 12/26 AVG. MAXIMUM 88.1 85.6 2.5 86.3 AVG. MINIMUM 77.9 76.8 1.1 76.6 MEAN 83.0 81.2 1.8 81.5 DAYS MAX >= 90 3 0.0 3.0 0 DAYS MAX <= 32 0 0.0 0.0 0 DAYS MIN <= 32 0 0.0 0.0 0 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 7.85 2009 MINIMUM 2.68 2007 TOTALS 2.81 5.98 -3.17 5.24 DAILY AVG. 0.09 0.19 -0.10 0.17 DAYS >= .01 15 23.6 -8.6 29 DAYS >= .10 9 12.8 -3.8 15 DAYS >= .50 2 3.2 -1.2 3 DAYS >= 1.00 0 0.9 -0.9 0 GREATEST 24 HR. TOTAL 0.79 12/15 TO 12/16 12/11 TO 12/12 12/31 TO 12/31 12/31 TO 12/31 STORM TOTAL MM MM (MM/DD(HH)) MM 12/12(00) TO 12/12(00) 12/31(00) TO 12/31(00)1 12/31(00) TO 12/31(00)1 SNOWFALL (INCHES) RECORDS TOTAL MM MM 24 HR TOTAL MM SNOW DEPTH MM MM TOTALS 0.0 0.0 0.0 0.0 LIQUID EQUIV 0.00 0.00 0.00 0.00 SINCE 7/1 0.0 0.0 0.0 0.0 LIQUID 7/1 0.00 0.00 0.00 0.00 SNOWDEPTH AVG. 0 MM MM 0 DAYS >= TRACE 0 0.0 0.0 0 DAYS >= 1.0 0 0.0 0.0 0 GREATEST SNOW DEPTH 0 MM 0 MM 24 HR TOTAL 0.0 12/31 TO 12/31 12/31 TO 12/31 12/31 TO 12/31 12/31 TO 12/31 STORM TOTAL MM MM (MM/DD(HH)) MM 12/31(00) TO 12/31(00) 12/31(00) TO 12/31(00)1 12/31(00) TO 12/31(00)1 DEGREE_DAYS HEATING TOTAL 0 0 0 0 SINCE 7/1 0 0 0 0 COOLING TOTAL 564 502 62 519 SINCE 1/1 6351 6003 348 6317 FREEZE DATES RECORD EARLIEST MM LATEST MM EARLIEST MM LATEST MM .................................................. WIND (MPH) AVERAGE WIND SPEED 12.5 RESULTANT WIND SPEED/DIRECTION 12/067 HIGHEST WIND SPEED/DIRECTION 33/040 DATE 12/20 HIGHEST GUST SPEED/DIRECTION 39/040 DATE 12/15 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.40 NUMBER OF DAYS FAIR 19 NUMBER OF DAYS PC 12 NUMBER OF DAYS CLOUDY 0 AVERAGE RH (PERCENT) 74 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 MIXED PRECIP 0 HEAVY RAIN 5 RAIN 8 LIGHT RAIN 19 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 12 FOG W/VIS <= 1/4 MILE 0 HAZE 4 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$