252 SXUS99 KFSD 010209 RERFSD RECORD EVENT REPORT NATIONAL WEATHER SERVICE SIOUX FALLS SD 910 PM CDT TUE AUG 31 2004 ...THIRD COOLEST SUMMER ON RECORD AT SIOUX FALLS AND SIOUX CITY... ...THIRD COOLEST AUGUST ON RECORD AT SIOUX FALLS AND SIOUX CITY... THE FOLLOWING ARE THE COOLEST SUMMERS ON RECORD AT SIOUX FALLS... 63.7 DEGREES IN 1915...66.2 DEGREES IN 1992...66.9 DEGREES IN 2004. THE FOLLOWING ARE THE COOLEST SUMMERS ON RECORD AT SIOUX CITY... 67.0 DEGREES IN 1915...67.8 DEGREES IN 1992...68.9 DEGREES IN 2004. IT WAS THE 5TH COOLEST SUMMER ON RECORD AT HURON WITH AN AVERAGE TEMPERATURE OF 67.1 DEGREES. NORMAL AVERAGE SUMMER TEMPERATURES ARE 70.4 DEGREES AT SIOUX FALLS... 72.4 DEGREES AT SIOUX CITY...AND 70.9 DEGREES AT HURON. THE FOLLOWING ARE THE COOLEST AUGUSTS ON RECORD AT SIOUX FALLS... 63.7 DEGREES IN 1915...65.4 DEGREES IN 1897...65.5 DEGREES IN 2004. THE FOLLOWING ARE THE COOLEST AUGUSTS ON RECORD AT SIOUX CITY... 66.2 DEGREES IN 1915...66.8 DEGREES IN 1992...68.2 DEGREES IN BOTH 2004 AND 1897. IT WAS THE 5TH COOLEST AUGUST ON RECORD AT HURON WITH AN AVERAGE TEMPERATURE OF 66.5 DEGREES. NORMAL AVERAGE AUGUST TEMPERATURES ARE 70.8 DEGREES AT SIOUX FALLS... 72.1 DEGREES AT SIOUX CITY...AND 71.5 DEGREES AT HURON. A VERY INTERESTING STATISTIC REPRESENTING THE COOL SUMMER WAS THE NUMBER OF 90 DEGREE OR MORE DAYS. SIOUX FALLS HAS HAD ONLY 6 DAYS OF 90 DEGREES OR MORE SO FAR IN 2004...COMPARED TO A NORMAL OF 20. SIOUX CITY HAS HAD 11 SUCH DAYS COMPARED TO A NORMAL OF 23...AND HURON HAS HAD ONLY 10 COMPARED TO A NORMAL OF 24. THE LAST TIME ALL THREE SUMMER MONTHS WERE BELOW NORMAL IN TEMPERATURE WAS IN 1992 AT BOTH SIOUX FALLS AND SIOUX CITY. THE TEMPERATURE FAILED TO REACH 90 DEGREES IN AUGUST IN SIOUX FALLS FOR FIRST TIME SINCE 1985. PRECIPITATION WAS NOT TOO FAR FROM NORMAL AT ALL THREE SITES...BUT WAS ABOVE NORMAL AT SIOUX FALLS AND HURON...AND BELOW NORMAL AT SIOUX CITY. THE TOTAL SUMMER PRECIPITATION AT SIOUX FALLS AIRPORT WAS 10.98 INCHES...OR 1.55 INCHES ABOVE NORMAL. THE TOTAL SUMMER PRECIPITATION AT SIOUX CITY AIRPORT WAS 8.03 INCHES...OR 1.78 INCHES BELOW NORMAL. AND THE TOTAL SUMMER PRECIPITATION AT HURON WAS 10.87 INCHES...OR 2.66 INCHES ABOVE NORMAL. $$