000 CXUS54 KLZK 011521 CLMHRO CLIMATE REPORT NATIONAL WEATHER SERVICE LITTLE ROCK AR 915 AM CST SUN NOV 1 2009 ................................... ...THE HARRISON CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2009... CLIMATE NORMAL PERIOD 1971 TO 2000 CLIMATE RECORD PERIOD 1891 TO 2009 WEATHER OBSERVED NORMAL DEPART LAST YEAR'S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 96 10/05/1954 10/09/1928 10/04/1928 LOW 16 10/29/1910 HIGHEST 80 10/08 70 10 83 10/15 LOWEST 31 10/18 48 -17 27 10/28 AVG. MAXIMUM 63.1 70.3 -7.2 70.3 AVG. MINIMUM 46.4 48.3 -1.9 45.2 MEAN 54.7 59.3 -4.6 57.7 DAYS MAX >= 90 0 0.1 -0.1 0 DAYS MAX <= 32 0 0.0 0.0 0 DAYS MIN <= 32 1 1.4 -0.4 3 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 12.80 1941 MINIMUM 0.28 1989 TOTALS 12.59 3.50 9.09 1.43 DAILY AVG. 0.41 0.11 0.30 0.05 DAYS >= .01 18 8.3 9.7 10 DAYS >= .10 12 3 DAYS >= .50 7 1 DAYS >= 1.00 4 1.0 3.0 0 GREATEST 24 HR. TOTAL 5.20 10/08 TO 10/09 SNOWFALL (INCHES) TOTALS 0.0 LIQUID EQUIV 0.00 SINCE 7/1 0.0 LIQUID 7/1 0.00 SNOWDEPTH AVG. 0 DAYS >= TRACE 0 0.0 0.0 0 DAYS >= 1.0 0 0 GREATEST SNOW DEPTH 0 24 HR TOTAL 0.0 DEGREE_DAYS HEATING TOTAL 313 203 110 228 SINCE 7/1 335 249 86 247 COOLING TOTAL 2 27 -25 12 SINCE 1/1 1192 1442 -250 1223 FREEZE DATES RECORD EARLIEST 09/13/1902 LATEST 05/17/1912 EARLIEST 10/29 LATEST 04/04 ................................................................. WIND (MPH) AVERAGE WIND SPEED 7.6 HIGHEST WIND SPEED/DIRECTION 31/140 DATE 10/29 HIGHEST GUST SPEED/DIRECTION 39/140 DATE 10/29 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM NUMBER OF DAYS FAIR 9 NUMBER OF DAYS PC 8 NUMBER OF DAYS CLOUDY 14 AVERAGE RH (PERCENT) 74 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 5 MIXED PRECIP 0 HEAVY RAIN 8 RAIN 11 LIGHT RAIN 20 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 23 FOG W/VIS <= 1/4 MILE 5 HAZE 3 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. && ...ADDITIONAL DATA FOR HARRISON FOR OCTOBER 2009... THE AVERAGE TEMPERATURE FOR THE MONTH WAS 54.7 DEGREES. IT WAS THE COOLEST OCTOBER SINCE 1976...AND THE 6TH COOLEST OCTOBER ON RECORD. THE AVERAGE MONTHLY HIGH TEMPERATURE WAS 63.06 DEGREES...WHICH WAS THE COOLEST SINCE 2002...AND THE COOLEST ON RECORD. THE AVERAGE MONTHLY LOW TEMPERATURE WAS 46.35 DEGREES. FOR THE FIRST TIME SINCE 1988...THERE WAS ONLY ONE DAY WITH A TEMPERATURE OF 80 DEGREES OR HIGHER. THIS OCCURRED ON THE 8TH /HIGH OF 80 DEGREES/. TEMPERATURE RECORDS FOR THE MONTH OCCURRED... ON THE 4TH...THE HIGH TEMPERATURE OF 55 BROKE THE PREVIOUS LOWEST HIGH TEMPERATURE RECORD OF 60 DEGREES...SET IN 1968. ON THE 16TH...THE HIGH OF 53 BROKE THE PREVIOUS LOWEST HIGH TEMPERATURE RECORD OF 55 DEGREES...SET IN 1943. THERE WERE SEVEN DAYS WITH AN ABOVE NORMAL DAILY AVERAGE TEMPERATURE...ONE DAY WITH A NORMAL DAILY AVERAGE TEMPERATURE...AND 23 DAYS WITH A DAILY AVERAGE TEMPERATURE BELOW NORMAL. ON THE 18TH...THE FIRST FREEZE OF THE SEASON OCCURRED...WHEN THE LOW TEMPERATURE DROPPED TO 31 DEGREES. THIS WAS THE FIRST FREEZE SINCE APRIL 7TH. 12.59 INCHES OF RAIN FELL DURING THE MONTH. THIS WAS THE WETTEST OCTOBER SINCE 1941...AND THE 2ND WETTEST OCTOBER ON RECORD. IT WAS THE WETTEST MONTH SINCE MAY 1990...AND THE 10TH WETTEST MONTH ON RECORD. RAINFALL RECORDS DURING THE MONTH OCCURRED... ON THE 8TH...4.01 INCHES OF RAIN BROKE THE PREVIOUS DAILY RAINFALL RECORD OF 1.75 INCHES...SET IN 2004. THIS WAS ALSO THE 2ND WETTEST DAY ON RECORD IN THE MONTH OF OCTOBER...SURPASSED ONLY BY OCTOBER 11TH 1969 /4.47 INCHES/. ON THE 29TH...2.73 INCHES OF RAIN BROKE THE PREVIOUS DAILY RAINFALL RECORD OF 2.00 INCHES...SET IN 1926. THIS WAS ALSO THE 9TH WETTEST DAY ON RECORD IN THE MONTH OF OCTOBER. $$ 57