Climatological Report (Monthly)
Issued by NWS Buffalo, NY

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000 CXUS51 KBUF 011420 CLMBUF CLIMATE REPORT NATIONAL WEATHER SERVICE BUFFALO NY 809 AM EDT SUN SEP 1 2013 ................................... ...THE BUFFALO NY CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2013... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1871 TO 2013 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 99 08/27/1948 LOW 38 08/29/1982 08/30/1965 HIGHEST 86 08/29 96 08/04 LOWEST 50 08/05 52 08/21 AVG. MAXIMUM 77.6 78.4 -0.8 81.5 AVG. MINIMUM 60.4 60.8 -0.4 61.9 MEAN 69.0 69.6 -0.6 71.7 DAYS MAX >= 90 0 0.3 -0.3 3 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 10.67 1977 MINIMUM 0.05 1876 TOTALS 3.51 3.26 0.25 1.24 DAYS >= .01 13 6 DAYS >= .10 8 4 DAYS >= .50 2 1 DAYS >= 1.00 0 0 GREATEST 24 HR. TOTAL 0.71 08/25 TO 08/26 08/05 TO 08/05 SNOWFALL (INCHES) RECORDS TOTAL MM MM TOTALS 0.0 0.0 0.0 0.0 SINCE 7/1 0.0 0.0 0.0 SNOWDEPTH AVG. 0 MM MM 0 DAYS >= 1.0 0 0.0 0.0 0 GREATEST SNOW DEPTH 0 MM 0 MM 24 HR TOTAL 0.0 MM DEGREE_DAYS HEATING TOTAL 10 18 -8 1 SINCE 7/1 16 27 -11 1 COOLING TOTAL 142 161 -19 214 SINCE 1/1 552 487 65 792 .................................................. WIND (MPH) AVERAGE WIND SPEED 7.8 HIGHEST WIND SPEED/DIRECTION 29/250 HIGHEST GUST SPEED/DIRECTION 36/220 DATE 08/26 SKY COVER POSSIBLE SUNSHINE (PERCENT) 77 NUMBER OF DAYS FAIR 5 NUMBER OF DAYS PC 21 NUMBER OF DAYS CLOUDY 5 AVERAGE RH (PERCENT) 71 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 13 MIXED PRECIP 0 HEAVY RAIN 10 RAIN 7 LIGHT RAIN 13 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 3 HAZE 5 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. && ...A QUIET AND SUNNY MONTH... AUGUST CAPPED OFF THE SUMMER OF 2013 FOLLOWING SIMILAR PATTERNS OF JUNE AND JULY...NEAR NORMAL TEMPERATURES...WITH A LACK OF EXTREME TEMPERATURES. RAINFALL WAS EVENLY SPREAD THROUGH THE MONTH...WITH ONE STRETCH OF QUIET AND DRY WEATHER MID MONTH. AUGUST AVERAGE TEMPERATURE FINISHED AT 69.0F WHICH IS ABOUT A HALF A DEGREE BELOW NORMAL. THIS WAS THE FIRST AUGUST WITH BELOW NORMAL TEMPERATURES AFTER FOUR PRIOR AUGUSTS OF ABOVE NORMAL WARMTH. TWO THIRDS OF THE DAYS FINISHED WITHIN 5 DEGREES OF THE DAILY NORMAL AND THERE WERE NO RECORDS SET. THE WARMEST DAY THIS MONTH WAS NEAR THE END OF AUGUST...WHEN THE TEMPERATURE REACHED 86F ON THE 29TH. PRECIPITATION FOR THE MONTH FINISHED AT 3.51 INCHES. THERE WAS MEASURABLE RAINFALL ON 13 DAYS...WHICH IS JUST ABOVE THE NORMAL OF 10 DAYS. NO PRECIPITATION RECORDS WERE SET...AND THUNDERSTORMS BROUGHT TWO DAYS (8TH AND 26TH) WITH OVER A HALF INCH OF RAINFALL. IN TOTAL THERE WERE 13 DAYS WITH THUNDERSTORMS...WELL ABOVE THE AVERAGE OF 6 FOR THE MONTH. THE UPPER LEVEL PATTERN TO START THIS MONTH INVOLVED A MEAN TROUGH OF LOW PRESSURE OVER EASTERN CANADA AND THE EASTERN UNITED STATES...WITH A RIDGE CENTERED ALONG THE ROCKY MOUNTAINS OF THE WEST. THIS PATTERN FAVORED COOLER THAN NORMAL DAYS WITH LATE SUMMER HEAT SUPPRESSED TO THE SOUTH AND WEST. IN FACT ONLY 2 DAYS THIS FIRST HALF OF THE MONTH WERE ABOVE NORMAL...ON THE 7TH AND 8TH WHEN SOUTHERLY WINDS AHEAD OF A COLD FRONT BROUGHT LOW 80S INTO WESTERN NEW YORK. THESE WARM TEMPERATURES ENDED WITH THE PASSAGE OF A COLD FRONT ON THE 9TH WITH SHOWERS AND THUNDERSTORMS. A BROAD AREA OF HIGH PRESSURE BROUGHT QUIET WEATHER MID MONTH...WITH TEMPERATURES SLOWLY WARMING FROM BELOW NORMAL TO ABOVE NORMAL. THE SECOND HALF OF THE MONTH THE UPPER LEVEL TROUGH OF LOW PRESSURE WEAKENED AND THIS ALLOWED MORE WARMTH TO EXTEND NORTHEASTWARD ACROSS THE EASTERN GREAT LAKES. ONLY 3 DAYS WERE BELOW NORMAL THE LAST 2 WEEKS OF THE MONTH AS LATE SUMMER WARMTH RETURNED. SOME OF THE WARMEST DAYS THIS MONTH OCCURRED THE LAST WEEK OF THE MONTH AS WARMTH AND HUMIDITY RETURNED TO WESTERN NEW YORK ALONG WITH SEVERAL DAYS OF THUNDERSTORMS. THUNDERSTORMS ON THE 26TH DARKENED AFTERNOON SKIES AND BROUGHT THE GREATEST DAILY PRECIPITATION OF THE MONTH AS 0.70 INCHES OF RAINFALL OCCURRED. SUNSHINE FOR THE MONTH FINISHED 12 POINTS ABOVE NORMAL WITH 77 PERCENT SUNSHINE FOR THE MONTH. THERE WERE 21 MOSTLY SUNNY DAYS THIS MONTH INCLUDING 7 WITH FULL SUNSHINE. WITH THE LACK OF ACTIVE WEATHER THIS MONTH WINDS WERE BELOW NORMAL AND THE HIGHEST GUST ONLY 36 MPH. LAKE ERIE WATER TEMPERATURES RANGED FROM 71 TO 73 DEGREES. IN ALL AUGUST WILL GO DOWN AS A COMFORTABLE AND SUNNY MONTH. ...SUMMER NARRATIVE... THIS SUMMER (JUNE-JULY-AUGUST) WAS FILLED WITH ITS UPS AND DOWNS FOR TEMPERATURE AND PRECIPITATION...BUT IN THE END THE SUMMER OF 2013 WILL GO DOWN AS A NORMAL TEMPERATURE...AND ABOVE NORMAL PRECIPITATION SEASON. AFTER THREE CONSECUTIVE SUMMERS WITH ABOVE NORMAL TEMPERATURES THIS SUMMER FELT COOL...BUT NUMBER-WISE THE AVERAGE TEMPERATURE OF 69.1F FINISHED JUST A TENTH OF A DEGREE ABOVE NORMAL. THIS SUMMER WAS FILLED WITH STRETCHES OF NOTABLY COOL...LATE SPRING OR EARLY FALL PATTERNS...WITH SEVERAL STRETCHES OF SUMMER WARMTH MIXED IN. JUNE FEATURED TEMPERATURES THAT RAN CLOSE TO NORMAL. THE WARMEST STRETCH THIS SUMMER OCCURRED IN THE THIRD WEEK OF JULY WHEN TEMPERATURES ROUTINELY REACHED THE UPPER 80S AND LOWER 90S AND NIGHT TIME LOWS STRUGGLED TO DROP BELOW 70F. AFTER THIS STRETCH OF SUMMER WARMTH ANOTHER FAIR AND COMFORTABLE PATTERN SETTLED UPON THE GREAT LAKES REGION...WITH THE OCCASIONAL CHILLY NIGHT DROPPING BACK INTO THE LOW 50S. PRECIPITATION THIS SUMMER FINISHED MORE THAN THREE INCHES ABOVE NORMAL. THIS WAS LARGELY DUE TO A WET JUNE WHERE SLOW MOVING THUNDERSTORMS BROUGHT LOCALIZED FLOODING. THE MONTHS OF JULY AND AUGUSTS FINISHED CLOSER TO NORMAL IN THE PRECIPITATION DEPARTMENT. THERE WERE NO RECORD PRECIPITATION EVENTS THIS SUMMER. THERE WERE NO PROLONGED DRY STRETCHES THIS SUMMER RESULTING IN AREA LAWNS AND VEGETATION REMAINING GREEN THROUGH THE SUMMER. IN ALL MUCH OF THIS SUMMER WAS COMFORTABLE WITH JUST A FEW SHORT STRETCHES OF HIGH HUMIDITY AND SUMMER HEAT...BALANCED WITH SEVERAL DAYS OF UNSEASONABLY COOL CONDITIONS. SUMMER`S 3 MONTHS OF JUNE...JULY...AUGUST STATS (NORMAL) TEMPERATURE...69.1F (69.0F) PRECIPITATION...13.53" (10.15") SUNSHINE...67% (65%) && THOMAS $$

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