751 CXUS51 KPHI 011712 CLMPHL CLIMATE REPORT NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 112 PM EDT THU MAY 1 2008 ................................... ...THE PHILADELPHIA CLIMATE SUMMARY FOR THE MONTH OF APRIL 2008... CLIMATE NORMAL PERIOD 1971 TO 2000 CLIMATE RECORD PERIOD 1870 TO 2008 WEATHER OBSERVED NORMAL DEPART LAST YEAR'S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 95 04/17/2002 LOW 14 04/01/1923 HIGHEST 87 83 4 83 LOWEST 31 30 1 30 AVG. MAXIMUM 65.8 62.0 3.8 59.7 AVG. MINIMUM 46.8 44.2 2.6 41.9 MEAN 56.3 53.1 3.2 50.8 DAYS MAX >= 90 0 0.4 -0.4 0 DAYS MAX <= 32 0 0.0 0.0 0 DAYS MIN <= 32 1 2.0 -1.0 4 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 9.76 1874 MINIMUM 0.52 1985 TOTALS 2.19 3.49 -1.30 9.05 DAILY AVG. 0.07 0.12 -0.05 0.30 DAYS >= .01 9 10.9 -1.9 9 DAYS >= .10 7 6.6 0.4 5 DAYS >= .50 1 2.6 -1.6 5 DAYS >= 1.00 0 0.8 -0.8 4 GREATEST 24 HR. TOTAL 0.88 04/28 TO 04/28 4.36 SNOWFALL (INCHES) RECORDS TOTAL MM 5 24 HR TOTAL MM TOTALS 0.0 0.6 -0.6 T SINCE 7/1 6.3 19.3 -13.0 13.4 SNOWDEPTH AVG. 0 0 0 0 DAYS >= 1.0 0 0.2 -0.2 0 GREATEST SNOW DEPTH 0 MM 0 MM 24 HR TOTAL 0.0 04/30 TO 04/30 T DEGREE_DAYS HEATING TOTAL 261 362 -101 427 SINCE 7/1 4131 4633 -502 4334 COOLING TOTAL 9 10 -1 8 SINCE 1/1 9 10 -1 8 ................................................................. WIND (MPH) AVERAGE WIND SPEED 9.5 HIGHEST WIND SPEED/DIRECTION 30/310 DATE 04/01 HIGHEST GUST SPEED/DIRECTION 40/290 DATE 04/01 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM NUMBER OF DAYS FAIR 6 NUMBER OF DAYS PC 9 NUMBER OF DAYS CLOUDY 15 AVERAGE RH (PERCENT) 62 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 4 MIXED PRECIP 0 HEAVY RAIN 3 RAIN 5 LIGHT RAIN 14 FREEZING RAIN 0 LT FREEZING RAIN 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 15 FOG W/VIS <= 1/4 MILE 1 HAZE 6 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$