Climatological Report (Monthly)
Issued by NWS Buffalo, NY

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037 CXUS51 KBUF 021857 CLMBUF CLIMATE REPORT NATIONAL WEATHER SERVICE BUFFALO NY 117 PM EST SUN NOV 1 2015 ................................... ...THE BUFFALO NY CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 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 92 10/02/1927 LOW 20 10/29/1965 HIGHEST 76 10/12 80 10/14 LOWEST 30 10/19 34 10/27 AVG. MAXIMUM 59.3 59.0 0.3 60.9 AVG. MINIMUM 43.5 42.7 0.8 46.0 MEAN 51.4 50.8 0.6 53.4 DAYS MAX >= 90 0 0.0 0.0 0 DAYS MAX <= 32 0 0.0 0.0 0 DAYS MIN <= 32 1 2.3 -1.3 0 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 9.13 1954 MINIMUM 0.08 1924 TOTALS 3.81 3.52 0.29 4.60 DAYS >= .01 15 15 DAYS >= .10 8 11 DAYS >= .50 2 3 DAYS >= 1.00 1 1 GREATEST 24 HR. TOTAL 1.66 10/28 TO 10/29 SNOWFALL (INCHES) RECORDS TOTAL 22.6 2006 TOTALS T 0.9 -0.9 T SINCE 7/1 T 0.9 -0.9 SNOWDEPTH AVG. 0 MM MM 0 DAYS >= 1.0 0 0.1 -0.1 0 GREATEST SNOW DEPTH 0 MM 0 MM 24 HR TOTAL T 10/18 TO 10/18 10/17 TO 10/17 DEGREE_DAYS HEATING TOTAL 416 443 -27 359 SINCE 7/1 486 605 -119 489 COOLING TOTAL 1 4 -3 9 SINCE 1/1 657 544 113 516 ..................................................... WIND (MPH) AVERAGE WIND SPEED 10.8 HIGHEST WIND SPEED/DIRECTION 43/240 DATE 10/29 HIGHEST GUST SPEED/DIRECTION 59/240 DATE 10/29 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM NUMBER OF DAYS FAIR 3 NUMBER OF DAYS PC 15 NUMBER OF DAYS CLOUDY 13 AVERAGE RH (PERCENT) 68 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 5 MIXED PRECIP 0 HEAVY RAIN 3 RAIN 7 LIGHT RAIN 21 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 1 LIGHT SNOW 1 SLEET 0 FOG 12 FOG W/VIS <= 1/4 MILE 0 HAZE 3 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. && ...MILD AND UNSETTLED OCTOBER... AUTUMN WAS TRUE TO FORM THIS OCTOBER AS THE WARMTH OF LATE SUMMER GAVE WAY TO THE FIRST CHILLS OF THE EARLY WINTER SEASON. OVERALL THE TEMPERATURE FAIRED JUST ABOVE NORMAL...HOWEVER THE LACK OF ANY EXTREME COLD THROUGH THE FIRST HALF OF THE MONTH DELAYED THE ONSET OF FALL FOLIAGE AND KILLING WIDESPREAD FROST FOR AREA GARDENS. THE TEMPERATURE THIS MONTH AVERAGED 51.4F DEGREES WHICH WAS 0.6F ABOVE NORMAL. FOLLOWING A VERY WARM SEPTEMBER...MILD AIRMASSES REMAINED ACROSS THE GREAT LAKES REGION THROUGH THE FIRST HALF OF THE MONTH. IT WAS NOT UNTIL THE LATE HOURS OF THE 16TH THAT THE AIR TEMPERATURE DIPPED INTO THE 30S FOR THE FIRST TIME THIS SEASON...WHICH IS THE 4TH LATEST RECORDING SINCE RECORDS MOVED TO THE AIRPORT IN 1943. THERE WERE NO EXTREME TEMPERATURES OR RECORDS ESTABLISHED THIS MONTH. PRECIPITATION FOR THE MONTH FINISHED ABOVE NORMAL...WITH 3.81 INCHES MEASURED. ROUGHLY HALF OF THIS TOTAL FELL WITHIN ONE EVENT WHEN THE REMNANTS OF HURRICANE PATRICIA PASSED ACROSS THE REGION. ON OCTOBER 28TH TO 29TH 1.83 INCHES OF RAIN FELL AT THE AIRPORT...INCLUDING A DAILY RECORD 1.64 INCHES ON THE 28TH. THERE WERE SEVERAL THUNDERSTORMS THIS MONTH...WITH 5 SUCH DAYS RECORDING THUNDER. NOT UNUSUAL WERE THAT 3 OF THESE DAYS WITH THUNDERSTORMS RECORDED THE THUNDER TOWARDS THE LATE MIDNIGHT HOUR. THE FIRST SNOWFLAKES OF THE SEASON WERE RECORDED THIS MONTH WITH A TRACE OF SNOW FALLING ON BOTH THE 17TH AND 18TH. OCTOBER STARTED COOL...BUT SUNNY WITH HIGH PRESSURE CENTERED OVER THE REGION. HIGH PRESSURE THEN GENERALLY REMAINED OVER THE REGION THROUGH MID MONTH...WITH BRIEF INTERRUPTIONS IN THE FAIR WEATHER BY SEVERAL SHORTWAVES THAT PUSHED COLD FRONTS ACROSS THE REGION. THE GREATEST RAINFALL WITH THESE FRONTS OCCURRED ON OCTOBER 8TH AND 9TH...WHEN A GENERAL INCH OF RAIN FELL ACROSS THE BUFFALO METRO AREA. THE FIRST CRISP AIRMASS OF THE SEASON DROPPED ACROSS THE EASTERN GREAT LAKES THE THIRD WEEKEND OF THE MONTH (16TH-18TH). THIS AIRMASS BROUGHT LAKE EFFECT SNOW SOUTHEAST OF THE LAKES...WITH SEVERAL INCHES OF SNOW FALLING ACROSS THE HILLS SOUTH OF BUFFALO...AND A TRACE OF SNOW AT THE AIRPORT. WITH TEMPERATURES DROPPING DOWN TOWARDS THE FREEZING MARK ON SUNDAY THE 18TH THE GROWING SEASON OFFICIALLY ENDED FOR ALL OF THE REGION. SERENE AUTUMN WEATHER RETURNED WITH AIR TEMPERATURES QUICKLY REBOUNDING BACK INTO THE 60S BY THE 20TH FOLLOWING THE FIRST SNOW OF THE SEASON. THE REMNANTS OF HURRICANE PATRICIA REACHED WESTERN NEW YORK IN THE EARLY MORNING HOURS OF THE 28TH. THIS SYSTEM BROUGHT A SOAKING RAIN ON WEDNESDAY THE 28TH ALONG WITH DAMAGING WIND GUSTS ON BOTH THE 28TH AND THE 29TH. ON THE 28TH SOUTHEAST WINDS GUSTED TO 46 MPH AT THE AIRPORT...WHILE STRONGER WINDS SWEPT DOWN THE CHAUTAUQUA RIDGE WHERE A GUST TO 62 MPH WAS RECORDED AT THE DUNKIRK AIRPORT. AS A COLD FRONT CROSSED THE REGION EARLY THURSDAY THE 29TH WINDS SHIFTED TO SOUTHWEST AND INCREASED TO 61 MPH ALONG THE LAKE ERIE SHORELINE. THE MONTH ENDED COOLER AND QUIETER...WITH RAIN SHOWERS HOLDING OFF UNTIL MOST OF HALLOWEEN FESTIVITIES WERE COMPLETED. WINDS AVERAGED 1.1 MPH ABOVE NORMAL THIS MONTH...WITH AN AVERAGE SPEED OF 10.8 MPH. THE STRONGEST WIND GUST OCCURRED ON THE 29TH WHEN SOUTHWEST WINDS REACHED 61 MPH AT THE AIRPORT JUST PAST SUNRISE. THESE STRONG SOUTHWEST WINDS ALSO PRODUCED A SEICHE ON LAKE ERIE WITH THE LAKE RISING TO 82 INCHES ABOVE LOW WATER DATUM THURSDAY MORNING. THE LAKE TEMPERATURE ON LAKE ERIE DROPPED FROM 66 DEGREES AT MONTHS START TO 53 DEGREES BY THE END OF THE MONTH. OVERALL A PLEASANT OCTOBER WITH BRIEF INTERRUPTIONS OF COLDER AND WINDIER CONDITIONS. && THOMAS $$

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