CXUS56 KMTR 041629 CLAMRY CLIMATE REPORT NATIONAL WEATHER SERVICE IN SAN FRANCISCO 828 AM PST MON JAN 4 2010 ................................... ...THE SAN JOSE CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2009... CLIMATE NORMAL PERIOD 1971 TO 2000 CLIMATE RECORD PERIOD 1893 TO 2010 WEATHER OBSERVED NORMAL DEPART LAST YEAR'S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 79 12/12/1958 LOW 19 12/23/1990 12/22/1990 HIGHEST 69 12/20 MM MM 65 12/05 12/02 LOWEST 29 12/08 MM MM 32 12/18 AVG. MAXIMUM 57.5 58.2 -0.7 56.8 AVG. MINIMUM 41.2 41.1 0.1 39.4 MEAN 49.4 MM MM 48.1 DAYS MAX >= 90 0 MM MM 0 DAYS MAX <= 32 0 MM MM 0 DAYS MIN <= 32 2 MM MM 1 DAYS MIN <= 0 0 MM MM 0 PRECIPITATION (INCHES) RECORD MAXIMUM MM MM MINIMUM MM MM TOTALS 2.16 2.00 0.16 1.54 DAILY AVG. 0.07 0.06 0.01 0.05 DAYS >= .01 11 MM MM 12 DAYS >= .10 7 MM MM 6 DAYS >= .50 0 MM MM 0 DAYS >= 1.00 0 MM MM 0 GREATEST 24 HR. TOTAL 0.56 12/12 TO 12/13 12/14 TO 12/15 12/30 TO 12/30[J) 12/30 TO 12/30[J) STORM TOTAL MM MM (MM/DD(HH)) MM 12/15(00) TO 12/15(00) 12/30(00) TO 12/30(00)0[J) 12/30(00) TO 12/30(00)0[J) SNOWFALL (INCHES) RECORDS TOTAL MM MM 24 HR TOTAL MM SNOW DEPTH MM MM TOTALS 0.0 MM MM 0.0 LIQUID EQUIV 0.00 MM MM 0.00 SINCE 7/1 0.0 MM MM 0.0 LIQUID 7/1 0.00 MM MM 0.00 SNOWDEPTH AVG. 0 MM MM 0 DAYS >= TRACE 0 MM MM 0 DAYS >= 1.0 0 MM MM 0 GREATEST SNOW DEPTH 0 MM 0 MM 24 HR TOTAL 0.0 12/31 TO 12/31 12/30 TO 12/30 12/30 TO 12/30[J) 12/30 TO 12/30[J) STORM TOTAL MM MM (MM/DD(HH)) MM 12/30(00) TO 12/30(00) 12/30(00) TO 12/30(00)0[J) 12/30(00) TO 12/30(00)0[J) DEGREE_DAYS HEATING TOTAL 474 474 0 517 SINCE 7/1 881 920 -39 762 COOLING TOTAL 0 0 0 0 SINCE 1/1 676 494 182 760 FREEZE DATES RECORD EARLIEST MM LATEST MM EARLIEST MM LATEST MM ................................................................. WIND (MPH) AVERAGE WIND SPEED 4.2 RESULTANT WIND SPEED/DIRECTION 0/212 HIGHEST WIND SPEED/DIRECTION 25/300 DATE 12/22 HIGHEST GUST SPEED/DIRECTION 33/290 DATE 12/23 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM NUMBER OF DAYS FAIR 4 NUMBER OF DAYS PC 17 NUMBER OF DAYS CLOUDY 10 AVERAGE RH (PERCENT) 73 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 MIXED PRECIP 0 HEAVY RAIN 2 RAIN 7 LIGHT RAIN 12 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 20 FOG W/VIS <= 1/4 MILE 2 HAZE 8 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$