Climatological Report (Monthly)
Issued by NWS Buffalo, NY

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000 CXUS51 KBUF 011921 CLMBUF CLIMATE REPORT NATIONAL WEATHER SERVICE BUFFALO NY 1226 PM EDT TUE SEP 1 2015 ................................... ...THE BUFFALO NY CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2015... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1871 TO 2015 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 89 08/19 88 08/30 LOWEST 52 08/13 51 08/29 AVG. MAXIMUM 78.0 78.4 -0.4 77.5 AVG. MINIMUM 61.4 60.8 0.6 60.5 MEAN 69.7 69.6 0.1 69.0 DAYS MAX >= 90 0 0.3 -0.3 0 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 4.39 3.26 1.13 3.16 DAYS >= .01 9 8 DAYS >= .10 3 5 DAYS >= .50 2 2 DAYS >= 1.00 1 1 GREATEST 24 HR. TOTAL 2.86 08/14 TO 08/15 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 08/31 TO 08/31 DEGREE_DAYS HEATING TOTAL 8 18 -10 12 SINCE 7/1 15 27 -12 22 COOLING TOTAL 160 161 -1 145 SINCE 1/1 525 487 38 446 .................................................. WIND (MPH) AVERAGE WIND SPEED 8.4 HIGHEST WIND SPEED/DIRECTION 28/230 DATE 08/20 HIGHEST GUST SPEED/DIRECTION 37/250 DATE 08/20 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM NUMBER OF DAYS FAIR 5 NUMBER OF DAYS PC 22 NUMBER OF DAYS CLOUDY 4 AVERAGE RH (PERCENT) 67 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 6 MIXED PRECIP 0 HEAVY RAIN 3 RAIN 4 LIGHT RAIN 15 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 8 FOG W/VIS <= 1/4 MILE 0 HAZE 4 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. && ...COMFORTABLE MONTH OF AUGUST... AUGUST TEMPERATURES STARTED OUT ON THE NEAR NORMAL TO COOLER THAN NORMAL SIDE...UNTIL A WEEK LONG STRETCH OF NORMAL TO ABOVE NORMAL TEMPERATURES THAT BEGAN IN THE MIDDLE OF THE MONTH. FROM THE 21ST THROUGH THE 29TH ALL BUT ONE OF THESE NINE DAYS REACHED TEMPERATURES THAT WERE ONLY NORMAL OR BELOW NORMAL DURING THIS STRETCH. THE MONTH ENDED ON A WARM NOTE WITH THE 30TH AND 31ST REACHING ABOVE NORMAL TEMPERATURES. RAINFALL AMOUNTS WERE BELOW NORMAL THROUGH THE FIRST HALF OF THE MONTH...UNTIL THE BUFFALO METRO AREA AND MANY OF THE NORTHERN SUBURBAN AREAS GOT INUNDATED BY TWO INCHES OR MORE OF RAINFALL DURING THE LATE EVENING ON AUGUST 14 LASTING INTO THE EARLY MORNING HOURS OF AUGUST 15. THE AVERAGE TEMPERATURE FOR AUGUST WAS 69.7 DEGREES WHICH IS JUST A TENTH OF A DEGREE ABOVE NORMAL. THE LONGEST STRETCH OF ABOVE OR BELOW NORMAL TEMPERATURES WAS SEVEN DAYS. IN TOTAL THERE WERE 15 DAYS ABOVE NORMAL AND 14 DAYS BELOW NORMAL. THE WARMEST DAY THIS MONTH WAS THE 19TH WHEN THE TEMPERATURE REACHED 89 DEGREES. OTHER THAN THIS TEMPERATURE READING...THE MONTH GENERALLY FINISHED NEAR NORMAL WITH 25 OF 31 DAYS HAVING TEMPERATURES WITHIN 5 DEGREES OF NORMAL. THERE WERE 11 DAYS THAT REACHED 80F OR GREATER...WHICH IS SIX MORE THAN NORMAL. PRECIPITATION FINISHED ABOVE NORMAL FOR THE MONTH WITH 4.39 INCHES OF RAINFALL...WHICH IS 1.13 INCHES ABOVE NORMAL. ALMOST TWO THIRDS OF THE RAINFALL AT THE BUFFALO AIRPORT FOR THE MONTH FELL ON THE 15TH...WHEN A FRONTAL BOUNDARY MOVED SLOWLY SOUTH THROUGH THE AREA...RESULTING IN HEAVY RAINFALL OVER THE BUFFALO METRO AREA AND NORTHERN SUBURBAN AREAS. THE BUFFALO AIRPORT RECEIVED 2.85 INCHES OF RAIN FOR THE DAY ON AUGUST 15TH. THE MONTH FINISHED WITH NINE DAYS OF MEASURABLE RAINFALL...THREE DAYS WITH GREATER THAN ONE QUARTER OF AN INCH AND TWO DAYS WITH GREATER THAN A HALF OF AN INCH. AUGUST STARTED OUT DRY FOR THE MOST PART...WITH ONLY EIGHT HUNDREDTHS OF AN INCH OF RAINFALL THROUGH AUGUST 9TH AT THE BUFFALO AIRPORT. A COLD FRONT MOVED THROUGH WESTERN NEW YORK DURING THE LATE EVENING AND EARLY MORNING OF AUGUST 3RD AND 4TH RESPECTIVELY WITH EIGHT HUNDREDTHS OF AN INCH OF RAINFALL FOR THE DAY ON AUGUST 4TH. THE NEXT FIVE DAYS FEATURED ONLY A TRACE OF RAINFALL AND BELOW NORMAL TEMPERATURES. RAIN RETURNED ON AUGUST 10TH...WITH ACCUMULATIONS RANGING FROM A THIRD OF AN INCH TO 3.86 INCHES ACROSS THE NIAGARA FRONTIER AND SOUTHERN TIER...AS AN AREA OF LOW PRESSURE AND ASSOCIATED FRONTAL SYSTEM MOVED THROUGH THE AREA DURING THE EVENING. FLASH FLOODING OCCURRED IN SOUTHERN ERIE COUNTY DURING THE EVENING OF AUGUST 11TH AS A CLUSTER OF SHOWERS AND THUNDERSTORMS FOCUSED ALONG A SHORTWAVE TROUGH MOVED ONSHORE FROM LAKE ERIE INTERACTED WITH THE HIGHER TERRAIN PRODUCING RAINFALL RATES OF 4 TO 6 INCHES PER HOUR IN PORTIONS OF SOUTHERN ERIE COUNTY. A SHORTWAVE TROUGH MOVED THROUGH THE AREA ON THE MORNING OF AUGUST 12TH...RESULTING IN LIGHT RAIN ACROSS THE AREA. DURING THE LATE EVENING ON AUGUST 14TH AND EARLY MORNING OF AUGUST 15TH AN AREA OF HEAVY SHOWERS AND THUNDERSTORMS FORMED AS A SHORTWAVE TROUGH AND ASSOCIATED FRONTAL BOUNDARY MOVED ONSHORE IN NIAGARA COUNTY AND SLOWLY MOVED SOUTH INTO ERIE COUNTY...NUMEROUS RAINFALL AMOUNTS OF TWO TO SIX INCHES WERE REPORTED IN NIAGARA AND ERIE COUNTIES...WITH THE BUFFALO AIRPORT RECEIVING 2.85 INCHES OF RAIN FOR THE DAY...MOST OF WHICH FELL DURING THE EARLY MORNING HOURS. FLASH FLOODING WAS REPORTED IN THE CITY OF BUFFALO AND IN SOME OF THE NORTHTOWN AREAS. WARMER AND MORE HUMID AIR FOLLOWED FOR THE FOLLOWING DAYS WITH THE TEMPERATURE REACHING 89 DEGREES ON THE 19TH. A STRONG COLD FRONT MOVED THROUGH WESTERN NEW YORK ON AUGUST 20TH PRODUCING HEAVY RAINFALL THAT ACCUMULATED 81 HUNDREDTHS OF AN INCH AT THE BUFFALO AIRPORT. ANOTHER COOLER AND MOSTLY DRY PERIOD FOLLOWED FROM AUGUST 21ST THROUGH THE 29TH...WITH ONLY NINE HUNDREDTHS OF AN INCH OF RAINFALL AT THE BUFFALO AIRPORT AND NORMAL OR BELOW NORMAL TEMPERATURES FOR EIGHT OUT OF THE NINE DAYS DURING THIS TIME PERIOD. THE LAST TWO DAYS OF THE MONTH RECEIVED WARMER THAN NORMAL TEMPERATURES AND ONLY A TRACE OF RAINFALL. WINDS WERE ABOVE NORMAL THIS MONTH...AVERAGING 8.4 MPH WHICH IS JUST 0.1 MPH ABOVE NORMAL. THE STRONGEST WIND GUST OF 37 MPH CAME ON THE 20TH BEHIND A COLD FRONT. LAKE ERIE STARTED OUT AT 75 DEGREES AT THE BEGINNING OF THE MONTH...PEAKING AT 76 DEGREES ON THE 10TH...THEN DROPPED TO ITS COOLEST TEMPERATURE OF 71 DEGREES BY THE END OF THE MONTH. IN ALL A MOSTLY DRY MONTH...THAT ENDED UP WITH ABOVE NORMAL RAINFALL DUE TO A FEW WET DAYS OF HEAVY RAIN. && WELCH $$

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