Climatological Report (Monthly)
Issued by NWS Buffalo, NY

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166 CXUS51 KBUF 030142 CLMROC CLIMATE REPORT NATIONAL WEATHER SERVICE BUFFALO NY 1057 AM EDT FRI SEP 1 2017 ................................... ...THE ROCHESTER NY CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2017... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1871 TO 2017 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 99 08/28/1948 08/26/1948 LOW 36 08/30/1965 HIGHEST 87 08/02 96 08/12 LOWEST 47 08/27 56 08/23 AVG. MAXIMUM 78.5 79.1 -0.6 86.5 AVG. MINIMUM 58.7 59.5 -0.8 65.4 MEAN 68.6 69.3 -0.7 75.9 DAYS MAX >= 90 0 1.4 -1.4 10 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 7.26 1886 MINIMUM 0.36 1876 TOTALS 3.20 3.47 -0.27 3.91 DAYS >= .01 10 9 DAYS >= .10 9 8 DAYS >= .50 3 3 DAYS >= 1.00 0 1 GREATEST 24 HR. TOTAL 0.78 08/22 TO 08/22 SNOWFALL (INCHES) RECORDS TOTAL MM MM TOTALS 0.0 0.0 0.0 0.0 SINCE 7/1 0.0 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 DEGREE_DAYS HEATING TOTAL 25 22 3 0 SINCE 7/1 27 34 -7 0 COOLING TOTAL 143 155 -12 347 SINCE 1/1 516 484 32 851 .................................................. WIND (MPH) AVERAGE WIND SPEED 7.3 HIGHEST WIND SPEED/DIRECTION 40/260 HIGHEST GUST SPEED/DIRECTION 50/260 DATE 08/04 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.60 NUMBER OF DAYS FAIR 2 NUMBER OF DAYS PC 26 NUMBER OF DAYS CLOUDY 3 AVERAGE RH (PERCENT) 71 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 7 MIXED PRECIP 0 HEAVY RAIN 7 RAIN 9 LIGHT RAIN 13 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 13 FOG W/VIS <= 1/4 MILE 0 HAZE 1 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. && ...QUIET AUGUST ENDS A NEAR NORMAL SUMMER... CONSISTENCY HAS BEEN THE THEME THROUGH THE SUMMER, WITH NO MAJOR EXTREMES IN TEMPERATURE AND PRECIPITATION...AND THAT CONTINUED THROUGH THE MONTH OF AUGUST. PLEASANT AFTERNOONS WERE OCCASIONALLY INTERRUPTED BY SUMMER`S WARMTH AND HIGH HUMIDITY. THE AVERAGE TEMPERATURE THIS MONTH WAS 68.6F, WHICH IS 0.7F DEGREES BELOW NORMAL. THE WARMEST DAY WAS THE 2ND, WHEN TEMPERATURES TOPPED OUT AT 87F. FOR THE MONTH THERE WERE 14 DAYS THAT REACHED THE 80S, 1 LESS THAN NORMAL, AND 15 DAYS FEWER THAN LAST AUGUST, WHICH WAS THE WARMEST AUGUST ON RECORD. TEMPERATURES AVERAGED NEAR NORMAL THE FIRST THREE WEEKS OF THE MONTH, THEN COOLER AIR SETTLED ACROSS THE REGION TO CLOSE OUT THE MONTH WITH THE LAST 9 DAYS AVERAGING ABOUT 5 DEGREES BELOW NORMAL. PRECIPITATION TOTALED 3.20 INCHES FOR THE MONTH, WHICH IS ABOUT A QUARTER OF AN INCH BELOW NORMAL. THE WETTEST DAY WAS THE 22ND, WHEN SEVERAL ROUNDS OF SHOWERS AND THUNDERSTORMS BROUGHT 0.78 INCHES OF RAIN TO THE ROCHESTER AIRPORT. THERE WERE 10 DAYS WITH MEASURABLE RAINFALL THIS MONTH, WHICH IS NORMAL. THERE WERE TWO DAYS WITH A SIGNIFICANT AMOUNT OF DAMAGE FROM SEVERE THUNDERSTORMS ACROSS WESTERN NEW YORK. THE FIRST DAY WAS FRIDAY AUGUST 4TH WHEN SEVERAL ROUNDS OF SHOWERS AND THUNDERSTORMS PASSED ACROSS THE REGION, WITH DAMAGING WIND GUSTS. THE SECOND EVENT OCCURRED ON THE 22ND, WITH AGAIN SEVERAL ROUNDS OF SHOWERS AND THUNDERSTORMS CROSSING WESTERN NEW YORK, PRODUCING DAMAGING WINDS BEFORE THE MAIN COLD FRONT PASSED THROUGH IN THE EARLY MORNING HOURS OF THE 23RD. OUTSIDE OF THESE TWO EVENTS, QUIET WEATHER REMAINED WITH JUST A FEW INSTANCES OF MAINLY GARDEN VARIETY SHOWERS AND THUNDERSTORMS. WINDS AVERAGED ABOUT NORMAL THIS MONTH, WITH AN AVERAGE SPEED OF 7.3 MPH THREE TENTHS OF A MILE PER HOUR GREATER THAN NORMAL. THE GREATEST GUST CAME ON THE 4TH, WHEN THUNDERSTORMS PRODUCED A GUST OF 50 MPH AT THE AIRPORT. IN ALL, A STEADY CLOSE TO SUMMER. && THOMAS $$

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