Climatological Report (Monthly)
Issued by NWS Buffalo, NY

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000 CXUS51 KBUF 051325 CLMBUF CLIMATE REPORT NATIONAL WEATHER SERVICE BUFFALO NY 826 AM EDT FRI SEP 01 2023 ................................... ...THE BUFFALO NY CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2023... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1871 TO 2023 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 85 08/06 90 08/03 LOWEST 52 08/31 52 08/13 AVG. MAXIMUM 76.6 79.0 -2.4 81.7 AVG. MINIMUM 61.2 61.7 -0.5 63.8 MEAN 68.9 70.4 -1.5 72.7 DAYS MAX >= 90 0 0.7 -0.7 1 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 3.12 3.23 -0.11 2.81 DAYS >= .01 16 11 DAYS >= .10 8 7 DAYS >= .50 2 2 DAYS >= 1.00 0 0 GREATEST 24 HR. TOTAL 1.03 08/06 TO 08/07 0.97 08/30 TO 08/30 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 0 DAYS >= 1.0 0 0.0 0.0 0 DAYS >= 0.1 0 0 GREATEST SNOW DEPTH 0 0 MM 24 HR TOTAL MM DEGREE DAYS HEATING TOTAL 5 13 -8 0 SINCE 7/1 5 14 -9 MM COOLING TOTAL 134 178 -44 245 SINCE 1/1 520 535 -15 MM ................................................................ WIND (MPH) AVERAGE WIND SPEED 7.7 HIGHEST WIND SPEED/DIRECTION 32/190 HIGHEST GUST SPEED/DIRECTION 41/240 DATE 08/17 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM NUMBER OF DAYS FAIR 3 NUMBER OF DAYS PC 18 NUMBER OF DAYS CLOUDY 10 AVERAGE RH (PERCENT) 73 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 10 MIXED PRECIP 0 HEAVY RAIN 5 RAIN 4 LIGHT RAIN 18 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 15 FOG W/VIS <= 1/4 MILE 1 HAZE 1 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. && ... COOL AUGUST ... IT`S BEEN SEVERAL SUMMERS SINCE WE`VE HAD A COOLER THAN NORMAL AUGUST ACROSS WESTERN NEW YORK, WITH THIS YEAR THE FIRST SINCE 2017 FEATURING BELOW NORMAL WARMTH. THOUGH STORMS FAVORED THE FIRST HALF OF THE MONTH, SEVERE WEATHER WAS MINIMAL WITH JUST A FEW DOWNED TREES IN NIAGARA COUNTY FOR THE MONTH. PRECIPITATION WAS JUST SHY OF NORMAL FOR THE MONTH. THE TEMPERATURE AVERAGED 68.9F THIS MONTH, WHICH IS A DEGREE AND A HALF BELOW AVERAGE. THIS IS THE COOLEST AUGUST SINCE 2017, WHICH WAS A TENTH OF A DEGREE COOLER. DAYS IN THE 80S WERE LACKING THIS MONTH WITH JUST 8 DAYS TOPPING THE 80F MARK, WHICH IS TIED FOR 11TH FEWEST IN AIRPORT RECORDS (SINCE 1944). THE FEWEST DAYS IN THE 80S IN THE MONTH OF AUGUST OCCURRED IN 1997, WHICH HAD JUST 4 SUCH DAYS. THERE WERE 19 DAYS BELOW NORMAL FOR THE MONTH, WHILE JUST 9 DAYS FEATURED ABOVE NORMAL TEMPERATURES. EVEN OF THESE 9 DAYS, THE GREATEST DEPARTURE WAS JUST 5 DEGREES FROM NORMAL, THIS BEING ON THE 7TH. THE WARMEST TEMPERATURE WAS JUST 85F THIS MONTH, LOWEST MAXIMUM TEMPERATURE DURING THE MONTH OF AUGUST SINCE 1999 WHICH HAD A MAXIMUM TEMPERATURE OF JUST 84F.   PRECIPITATION FOR THE MONTH WAS JUST SHY OF NORMAL, WITH THE 3.12 INCHES ABOUT A TENTH OF AN INCH FROM NORMAL. THERE WERE NO EXTREMES, AND EVEN THOUGH THE MONTH AS A WHOLE FINISHED WITH BELOW NORMAL PRECIPITATION, THE 16 DAYS WITH MEASURABLE PRECIPITATION WAS JUST 1 DAY OFF THE RECORD FOR THE MONTH WHICH IS 17 DAYS LAST SET IN 1979.   FOR THE MONTH OF AUGUST AN ANOMALOUS STRONG MID LEVEL RIDGE OF HIGH PRESSURE SCORCHED THE SOUTHERN PLAINS, WHILE LOWER HEIGHT ANOMALIES REMAINED ACROSS THE NORTHEAST. THIS PATTERN KEPT PLENTY OF COMFORTABLE SUMMER DAYS ACROSS WESTERN NEW YORK, WITH SEVERAL DAYS BEHIND COLD FRONTS BORDERING THE LINE OF TOO COOL FOR SUMMER. THE FIRST ACTIVE PERIOD OF WEATHER WAS THE 6TH AND 7TH OF THE MONTH. A WARM FRONT BROUGHT RAIN LATE ON THE 6TH, WHILE AN UNSTABLE ATMOSPHERE BREWED ADDITIONAL THUNDERSTORMS ON THE 7TH DURING THE AFTERNOON. WHILE THESE STORMS WERE BELOW SEVERE LIMITS ACROSS WESTERN NEW YORK, TO THE EAST AN EF3 TORNADO RIPPED THROUGH SOUTHERN LEWIS COUNTY. SHOWERS AND THUNDERSTORMS ADVANCED UP LAKE ERIE DURING THE MORNING HOURS OF THE 10TH. THIS ACTIVITY PASSED BY BUFFALO EARLY IN THE MORNING, WITH A DRY PERIOD THROUGH THE EARLY AFTERNOON. AHEAD OF A COLD FRONT THUNDERSTORMS BLOSSOMED OVER NIAGARA COUNTY MID- AFTERNOON, DOWNING SOME TREES NEAR NORTH TONAWANDA, AND BRINGING DOWNPOURS OF RAIN TO ERIE COUNTY.  A COLD FRONT BROUGHT SOME GUSTY RAIN SHOWERS AND THUNDERSTORMS ON THE 17TH TO BUFFALO, AND AN EARLY TASTE OF AUTUMN ON THE 18TH WITH LAKE ENHANCED RAIN SHOWERS. ON THE 24TH A LINE OF SHOWERS AND STRONG THUNDERSTORMS DROPPED SOUTHEASTWARD ACROSS WESTERN NEW YORK. A THUNDERSTORM ON THE 26TH DOUSED THE NORTHTOWNS WITH HEAVY RAIN, WITH THE BUFFALO AIRPORT RECORDING JUST A TRACE OF RAIN FROM THIS STORM. FINALLY A COLD FRONT ON THE 30TH BROUGHT EARLY MORNING RAIN SHOWERS TO BUFFALO, AND LEFT A CHILLY DAY IN THE 60S, AND OVERNIGHT LOWS IN THE LOWER 50S BEHIND IT. THE TEMPERATURE ON LAKE ERIE WAS PRETTY CLOSE TO NORMAL THROUGHOUT THE MONTH. THE MAXIMUM OF 74F IS JUST A DEGREE ABOVE NORMAL, AND THE 71F AT AUGUST`S CLOSURE IS EXACTLY NORMAL. THE WINDS WERE CLOSE TO NORMAL, ABOUT A HALF A MILE PER HOUR BELOW NORMAL. THE STRONGEST WIND GUSTS OCCURRED IN THUNDERSTORMS, THIS AT 41 MPH ON THE 17TH.  IN ALL A COOL MONTH, LACKING ANY SIGNIFICANT SEVERE STORMS.    && THOMAS $$

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