Climatological Report (Monthly)
Issued by NWS Buffalo, NY
Issued by NWS Buffalo, NY
308 CXUS51 KBUF 011434 CLMROC CLIMATE REPORT NATIONAL WEATHER SERVICE BUFFALO NY 1034 AM EDT SUN SEP 01 2024 ................................... ...THE ROCHESTER NY CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2024... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1871 TO 2024 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 91 08/01 85 08/07 LOWEST 51 08/21 51 08/28 08/31 AVG. MAXIMUM 80.3 80.5 -0.2 77.2 AVG. MINIMUM 61.5 61.0 0.5 60.0 MEAN 70.9 70.7 0.2 68.6 DAYS MAX >= 90 1 1.9 -0.9 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 7.26 1886 MINIMUM 0.36 1876 TOTALS 3.53 3.31 0.22 5.44 DAYS >= .01 12 11 DAYS >= .10 6 6 DAYS >= .50 3 3 DAYS >= 1.00 1 3 GREATEST 24 HR. TOTAL 1.53 08/18 TO 08/19 3.17 08/15 TO 08/16 SNOWFALL (INCHES) RECORDS TOTAL MM MM TOTALS 0.0 0.0 0.0 0.0 SINCE 7/1 0.0 0.0 0.0 MM 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 MM DEGREE DAYS HEATING TOTAL 10 12 -2 7 SINCE 7/1 10 13 -3 MM COOLING TOTAL 199 190 9 125 SINCE 1/1 727 596 131 MM ................................................................ WIND (MPH) AVERAGE WIND SPEED 7.1 HIGHEST WIND SPEED/DIRECTION 29/260 HIGHEST GUST SPEED/DIRECTION 42/250 DATE 08/10 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.60 NUMBER OF DAYS FAIR 5 NUMBER OF DAYS PC 16 NUMBER OF DAYS CLOUDY 10 AVERAGE RH (PERCENT) 72 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 5 MIXED PRECIP 0 HEAVY RAIN 6 RAIN 5 LIGHT RAIN 17 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 10 FOG W/VIS <= 1/4 MILE 0 HAZE 5 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. && ... A MORE TYPICAL MONTH FOR A CHANGE ... A LONG DURATION OF INCREDIBLE WARMTH THAT STARTED LATE IN 2023 FINALLY BUCKLED THIS MONTH, WITH AIR TEMPERATURES FINISHING LESS THAN A DEGREE FROM NORMAL. THIS IS THE FIRST MONTH WITHIN A DEGREE OF NORMAL, OR BELOW NORMAL TEMPERATURE SINCE NOVEMBER OF 2023. THE NOTABLE WEATHER MAKER THIS MONTH WAS THE REMNANTS OF HURRICANE DEBBY, WHICH BROUGHT HEAVY RAIN ALONG AND EAST OF THE GENESEE VALLEY ON AUGUST 9TH. THE TEMPERATURE AVERAGED 70.9F THIS MONTH WHICH IS LESS THAN A DEGREE ABOVE NORMAL. THE 13 DAYS WITH BELOW NORMAL TEMPERATURE THIS MONTH IS THE GREATEST FOR ANY MONTH SINCE NOVEMBER OF LAST YEAR. BEHIND A STRONG COLD FRONT THE AIR TEMPERATURE AVERAGED 10 DEGREES BELOW NORMAL ON THE 20TH AND 21ST, THE FIRST TIME WITH A DOUBLE DIGIT NEGATIVE DEPARTURE FROM NORMAL SINCE JUNE 10TH OF THIS YEAR. THE WARMEST TEMPERATURE FOR THE MONTH OCCURRED ON THE 1ST, AT 91F DEGREES. THIS IS THE EIGHTH 90 READING THIS SUMMER. PRECIPITATION FOR THE MONTH TOTALED 3.53 INCHES WHICH IS ABOUT A QUARTER OF AN INCH ABOVE NORMAL. THE THREE DAYS WITH A HALF INCH OR MORE OF PRECIPITATION IS ONE DAY GREATER THAN NORMAL. THERE WERE NO PRECIPITATION RECORDS SET THIS MONTH. AUGUST BEGAN ON A HUMID NOTE, WITH A FEW THUNDERSTORMS BLOSSOMING THROUGH THE AFTERNOON HOURS. THE FIRST RAINFALL AT THE BUFFALO AIRPORT HELD OFF TILL THE 2ND AS A WARM FRONT AND ASSOCIATED SHOWERS AND THUNDERSTORMS ALONG THE BOUNDARY CROSSED THE REGION EARLY IN THE MORNING ON THE 2ND. ANOTHER SYSTEM BROUGHT ADDITIONAL SHOWERS AND THUNDERSTORMS TO THE AIRPORT ON THE 3RD OF THE MONTH. COOLER AIR BEGAN TO POUR OVER WESTERN NEW YORK ON THE 5TH. ALONG A LAKE BREEZE BOUNDARY A TORNADO, WITH INITIAL ROOTS NEAR FORT ERIE CANADA, QUICKLY PASSED OVER THE CITY OF BUFFALO. THIS 1.4 MILE TORNADO WAS RATED EF-1 WITH SOME DAMAGE TO AREA HOMES, BUSINESSES, TREES AND PROPERTY. NOT SOON AFTER THE REMNANTS OF HURRICANE DEBBY PASSED ACROSS WESTERN NEW YORK ON THE 9TH. THE AXIS OF HEAVY RAIN FROM DEBBY REMAINED ACROSS THE GENESEE VALLEY AND FINGER LAKES, WITH SIGNIFICANT FLOODING IN THE UPPER GENESEE VALLEY TO THE SOUTHERN FINGER LAKES. AFTER THIS EVENT THE WEATHER REMAINED FAIRLY QUIET FOR THE REMAINDER OF THE MONTH, OUTSIDE OF HEAVY RAIN LATE ON THE 18TH AND INTO THE MORNING HOURS OF THE 19TH WITH AN INCH TO INCH AND A HALF OF RAIN FALLING ACROSS THE ROCHESTER METRO AREA. A FEW SEVERE THUNDERSTORMS ALONG THE SOUTHERN LAKE ONTARIO SHORELINE ON THE 11TH, AND A FEW SEVERE THUNDERSTORMS ACROSS THE SOUTHERN TIER AND BOSTON HILLS ON THE 17TH ROUNDED OUT THE MONTH. THE WATER TEMPERATURE FOR LAKE ONTARIO, MEASURED NEAR ROCHESTER, REACHED A PEAK OF 78F DEGREES FOR THE MONTH. THIS IS ALSO THE HIGHEST TEMPERATURE MEASURED FOR THE SUMMER. THE WINDS WERE JUST ABOVE NORMAL BY A TENTH OF A MILE PER HOUR, AND THE STRONGEST GUST WAS FROM THE WEST AT 42 MPH DURING THE LATE MORNING HOURS OF THE 10TH. IN ALL A TREND TO MORE TYPICAL TEMPERATURES TO CLOSE OUT A TOP 10 WARMEST SUMMER ON RECORD. && THOMAS $$