CXUS51 KBUF 060417 CLMROC CLIMATE REPORT NATIONAL WEATHER SERVICE BUFFALO NY 1053 AM EDT FRI NOV 01 2024 ................................... ...THE ROCHESTER NY CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 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 91 10/05/1951 LOW 19 10/25/1879 HIGHEST 80 10/22 87 10/04 LOWEST 31 10/27 32 10/31 AVG. MAXIMUM 64.5 61.2 3.3 63.7 AVG. MINIMUM 43.0 43.3 -0.3 47.3 MEAN 53.8 52.2 1.6 55.5 DAYS MAX >= 90 0 0.0 0.0 0 DAYS MAX <= 32 0 0.0 0.0 0 DAYS MIN <= 32 1 2.9 -1.9 1 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 8.67 1873 MINIMUM 0.08 1924 TOTALS 2.62 3.22 -0.60 1.83 DAYS >= .01 12 17 DAYS >= .10 5 8 DAYS >= .50 2 0 DAYS >= 1.00 0 0 GREATEST 24 HR. TOTAL 1.08 10/13 TO 10/14 0.51 10/15 TO 10/16 SNOWFALL (INCHES) RECORDS TOTAL 5.0 1906 TOTALS 0.0 0.1 -0.1 0.2 SINCE 7/1 0.0 0.1 -0.1 MM SNOWDEPTH AVG. 0 0 DAYS >= 1.0 0 0.0 0.0 MM DAYS >= 0.1 0 MM GREATEST SNOW DEPTH 0 0 MM 24 HR TOTAL MM 0.2 10/31 TO 10/31 DEGREE DAYS HEATING TOTAL 348 404 -56 324 SINCE 7/1 390 535 -145 MM COOLING TOTAL 10 8 2 38 SINCE 1/1 815 676 139 MM ................................................................ WIND (MPH) AVERAGE WIND SPEED 8.1 HIGHEST WIND SPEED/DIRECTION 31/280 HIGHEST GUST SPEED/DIRECTION 45/260 DATE 10/31 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.52 NUMBER OF DAYS FAIR 8 NUMBER OF DAYS PC 20 NUMBER OF DAYS CLOUDY 3 AVERAGE RH (PERCENT) 67 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 1 MIXED PRECIP 0 HEAVY RAIN 1 RAIN 3 LIGHT RAIN 14 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 11 FOG W/VIS <= 1/4 MILE 0 HAZE 2 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. && ... DRY AND WARM OCTOBER ... THERE WAS LITTLE WEATHER OF NOTE FOR OCTOBER WITH THE MONTH FINISHING WITH BELOW NORMAL PRECIPITATION. THIS, COMBINED WITH A DRY JULY, AUGUST AND SEPTEMBER MADE THIS 4 MONTH PERIOD DRIEST SINCE 1989. IT WAS ALSO A WARM MONTH, WITH THE MONTH'S AVERAGE TEMPERATURE AGAIN ABOVE NORMAL FOR THE 11TH CONSECUTIVE MONTH. THE HIGHLIGHT OF THE WARMTH THIS OCTOBER WAS THE FINAL TWO DAYS OF THE MONTH WHEN NEW RECORD MAXIMUMS WERE ESTABLISHED.  THIS MONTH AVERAGED 53.8°F WHICH IS 1.6°F ABOVE NORMAL. THERE WERE 10 DAYS THAT REACHED 70°F OR GREATER, AND THIS IS 3 DAYS GREATER THAN NORMAL. THERE WAS ONE DAY THAT REACHED INTO THE 80S, AND THIS WAS THE 22ND. THE FIRST FREEZE OF THE WINTER SEASON OCCURRED ON THE 27TH WHEN THE THERMOMETER DROPPED TO A READING OF 31°F. THIS FIRST FREEZE IS 11 DAYS LATER THAN THE AIRPORT NORMAL. THERE WAS ONE RECORD HIGH TEMPERATURE TIED, THIS ON THE 30TH WITH A READING OF 78°F TYING WITH THE YEAR 1946. THERE WAS ALSO A RECORD WARM MINIMUM TEMPERATURE ESTABLISHED FOR THE FINAL DAY OF THE MONTH, WITH A READING OF 61°F BREAKING THE RECORD OF 60°F SET BACK IN 1919. PRECIPITATION FOR OCTOBER TOTALED 2.62 INCHES FOR THE MONTH, WHICH IS JUST OVER A HALF AN INCH BELOW NORMAL. THE MAIN PRECIPITATION EVENT FOR THE MONTH OCCURRED THE 13TH THROUGH THE 16TH WHEN A COLD UPPER LEVEL LOW SPIRALED ACROSS THE REGION WITH SHOWERS, ENDING WITH A FEW LAKE EFFECT RAIN SHOWERS. IN TOTAL 1.60 INCHES OF RAIN FELL WITH THIS EVENT. OTHERWISE RAIN EVENTS WERE EITHER LIGHT (LESS THAN A TENTH OF AN INCH) OR WITHIN A SHORT PERIOD OF TIME SUCH AS WITHIN THUNDERSTORMS ON THE 6TH WHICH FEATURED LOCALLY HIGHER RAINFALL TOTALS OF A HALF INCH OR GREATER THROUGH THE ROCHESTER METRO AREA.   THERE WAS ONE SEVERE THUNDERSTORM EVENT THIS MONTH, OCCURRING IN THE AFTERNOON AND EVENING HOURS OF SUNDAY THE 6TH. THUNDERSTORMS BROUGHT ISOLATED DAMAGE TO TREES AND POLES FROM THE WESTERN SOUTHERN TIER INTO THE MID GENESEE VALLEY. THE 10TH OF OCTOBER FEATURED CLEAR SKIES WHICH ALLOWED FOR THE VIEWING OF THE AURORA BOREALIS. COLORFUL STREAKS OF RED, GREEN AND PURPLE WERE SEEN BY THE NAKED EYE THROUGH THE NIGHT ACROSS WESTERN NEW YORK. CLEAR SKIES ALSO ALLOWED FOR SEVERAL FROSTY STARTS TO THE DAY, PRIMARILY THE 17TH THROUGH THE 19TH, 25TH AND 27TH THROUGH THE 28TH. THE MONTH ENDED BALMY AND BREEZY WITH SOUTHWESTERLY GUSTS AIDING IN PUSHING THE MERCURY LEVEL TO RECORD LEVELS THE FINAL TWO DAYS.  THE TEMPERATURE ON LAKE ONTARIO DROPPED FROM A PEAK OF 68°F DOWN TO 58°F AT THE END OF THE MONTH. WINDS FOR THE MONTH AVERAGED SEVERAL TENTHS OF A MILE PER HOUR BELOW NORMAL. THE STRONGEST WIND GUST OCCURRED DURING THE FINAL HOURS OF THE MONTH WITH WESTERLY GUSTS REACHING 45 MPH ALONG A COLD FRONT PASSAGE.  IN ALL, THE WARMTH PERSISTS...WITH A DRY, QUIET MONTH. && THOMAS $$