407 CXUS54 KLZK 021608 CLMLIT CLIMATE REPORT NATIONAL WEATHER SERVICE LITTLE ROCK AR 1102 AM CDT SUN JUN 2 2013 ................................... ...THE LITTLE ROCK ADAMS FIELD CLIMATE SUMMARY FOR THE MONTH OF MAY 2013... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1874 TO 2013 WEATHER OBSERVED NORMAL DEPART LAST YEAR'S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 98 05/31/1998 05/26/1964 LOW 38 05/04/2013 05/03/2013 HIGHEST 90 05/20 81 9 97 05/29 LOWEST 38R 05/04 59 -21 55 05/10 05/03 AVG. MAXIMUM 79.2 81.1 -1.9 86.7 AVG. MINIMUM 59.6 61.1 -1.5 64.5 MEAN 69.4 71.1 -1.7 75.6 DAYS MAX >= 90 1 2.2 -1.2 13 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 15.91 1882 MINIMUM 0.64 1918 TOTALS 7.16 4.87 2.29 1.23 DAILY AVG. 0.23 0.16 0.07 0.04 DAYS >= .01 13 11.1 1.9 5 DAYS >= .10 6 3 DAYS >= .50 4 1 DAYS >= 1.00 2 1.3 0.7 0 GREATEST 24 HR. TOTAL 3.41 05/30 TO 05/31 SNOWFALL (INCHES) TOTALS 0.0 0.0 0.0 0.0 LIQUID EQUIV 0.00 0.00 0.00 0.00 SINCE 7/1 10.6 3.5 7.1 2.2 LIQUID 7/1 1.06 MM MM 0.22 SNOWDEPTH AVG. 0 DAYS >= TRACE 0 0.0 0.0 0 DAYS >= 1.0 0 0 GREATEST SNOW DEPTH 0 MM 24 HR TOTAL 0.0 DEGREE_DAYS HEATING TOTAL 60 20 40 0 SINCE 7/1 3029 3052 -23 2194 COOLING TOTAL 203 209 -6 334 SINCE 1/1 261 281 -20 540 FREEZE DATES RECORD EARLIEST 10/20/1989 LATEST 04/19/1983 EARLIEST 11/13 LATEST 03/19 ......................................................... WIND (MPH) AVERAGE WIND SPEED 8.0 HIGHEST WIND SPEED/DIRECTION 39/300 DATE 05/20 HIGHEST GUST SPEED/DIRECTION 55/310 DATE 05/20 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.70 NUMBER OF DAYS FAIR 3 NUMBER OF DAYS PC 17 NUMBER OF DAYS CLOUDY 11 AVERAGE RH (PERCENT) 71 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 MIXED PRECIP 0 HEAVY RAIN 7 RAIN 8 LIGHT RAIN 14 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 14 FOG W/VIS <= 1/4 MILE 0 HAZE 2 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. && ...DATA FOR LITTLE ROCK ADAMS FIELD FOR MAY 2013... .SUMMARY... NORTHERLY AND NORTHWESTERLY WIND FLOW OVER THE REGION DURING A GOOD PORTION OF THE MONTH ALLOWED FOR THE COOLEST MAY IN SEVERAL YEARS. DAILY TEMPERATURES WERE LARGELY CLOSE TO SEASONAL AVERAGES...HOWEVER VERY COLD AIR DURING THE 3RD THROUGH THE 5TH ASSURED THAT THE MONTH WOULD FINISH BELOW AVERAGE IN TERMS OF TEMPERATURE. TEMPERATURES DURING THIS TIME PERIOD WERE THE COLDEST EVER RECORDED IN THE MONTH OF MAY AT LITTLE ROCK. RAINFALL DURING THE MONTH WAS MUCH MORE PLENTIFUL WHEN COMPARED TO LAST YEAR...THOUGH STILL NOT NEARLY AS MUCH AS THE YEAR BEFORE. IT WAS ONLY THE FIFTH MAY SINCE 2000 WITH ABOVE AVERAGE RAINFALL. .MONTHLY TEMPERATURES... THE AVERAGE HIGH TEMPERATURE WAS THE COLDEST SINCE 2009. THE AVERAGE LOW TEMPERATURE WAS THE COLDEST SINCE 2011. THE AVERAGE MONTHLY TEMPERATURE WAS THE COLDEST SINCE 2002. .DAILY AVERAGE TEMPERATURES... ABOVE NORMAL ON 15 DAYS...AT NORMAL ON 4 DAYS...AND BELOW NORMAL ON 12 DAYS. ON MAY 3RD AND 4TH...THE DAILY AVERAGE TEMPERATURE WAS 22 DEGREES BELOW NORMAL. .NUMBER OF DAYS WITH... TEMPERATURES AT OR ABOVE 90...1...THE FEWEST SINCE 2004. TEMPERATURES AT OR ABOVE 80...19...THE FEWEST SINCE 2011. TEMPERATURES BELOW 50...5...THE MOST SINCE 2011. TEMPERATURES AT OR BELOW 40...2...THE MOST SINCE 1971...AND THE MOST ON RECORD. .DAILY TEMPERATURE RECORDS TIED OR BROKEN DURING THE MONTH... DATE RECORD TYPE NEW RECORD PREVIOUS RECORD 3RD COLDEST HIGH TEMPERATURE 52 IN 2013 57 IN 2002...1978 LOW TEMPERATURE 38 IN 2013 41 IN 1929 4TH COLDEST HIGH TEMPERATURE 53 IN 2013 53 IN 1935...1907 LOW TEMPERATURE 38 IN 2013 40 IN 1971 5TH LOW TEMPERATURE 42 IN 2013 43 IN 1945 THESE LOW TEMPERATURES WERE THE FIRST DAILY RECORD LOW TEMPERATURES AT LITTLE ROCK SINCE OCTOBER OF 2010...AND WERE THE COLDEST EVER RECORDED IN THE MONTH OF MAY. .MONTHLY TEMPERATURE RECORDS TIED OR BROKEN DURING THE MONTH... RECORD TYPE NEW RECORD/DATE PREVIOUS RECORD/DATE COLDEST HIGH TEMPERATURE 52 MAY 3RD 2013 52 MAY 2ND 1994 ALL-TIME RECORD LOW 38 MAY 4TH 2013 39 MAY 1ST 1903 MAY 3RD 2013 COLDEST DAILY AVG. TEMP. 45.0 MAY 3RD 2013 46.5 MAY 2ND 1994 THE LOW TEMPERATURE OF 38 ON THE 3RD AND 4TH WAS THE COLDEST TEMPERATURE IN THE MONTH OF MAY SINCE 1903. .RAINFALL... IT WAS THE WETTEST MAY SINCE 2011...AND OVER ALL THE 28TH WETTEST MAY ON RECORD. .DAILY RAINFALL RECORDS TIED OR BROKEN DURING THE MONTH... DATE NEW RECORD PREVIOUS RECORD 30TH 3.36 IN 2013 2.08 IN 1981 .OTHER RECORDS SET... DURING HEAVY RAINFALL ON MAY 30TH...THE ALL-TIME RECORD RAINFALL FOR ONE HOUR WAS BROKEN. THE NEW RECORD IS 3.09 INCHES...FROM 817 PM TO 917 PM CST. THE PREVIOUS RECORD WAS 3.00 INCHES...WHICH WAS RECORDED IN A PERIOD OF ONE HOUR BETWEEN 7 AND 9 PM ON THE EVENING OF MAY 26TH 1955. $$ 57