Climatological Report (Monthly)
Issued by NWS Buffalo, NY

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000 CXUS51 KBUF 021858 CLMROC CLIMATE REPORT NATIONAL WEATHER SERVICE BUFFALO NY 117 PM EST SUN NOV 1 2015 ................................... ...THE ROCHESTER 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 91 10/05/1951 LOW 19 10/25/1879 HIGHEST 78 10/12 82 10/14 LOWEST 30 10/19 33 10/12 AVG. MAXIMUM 59.6 59.6 0.0 62.6 AVG. MINIMUM 42.5 41.5 1.0 45.2 MEAN 51.0 50.6 0.4 53.9 DAYS MAX >= 90 0 0.0 0.0 0 DAYS MAX <= 32 0 0.0 0.0 0 DAYS MIN <= 32 6 3.3 2.7 0 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 8.67 1873 MINIMUM 0.08 1924 TOTALS 2.78 2.72 0.06 1.89 DAYS >= .01 16 16 DAYS >= .10 7 8 DAYS >= .50 2 1 DAYS >= 1.00 0 0 GREATEST 24 HR. TOTAL 0.95 10/28 TO 10/28 SNOWFALL (INCHES) RECORDS TOTAL 5.0 1906 TOTALS T 0.1 -0.1 0.0 SINCE 7/1 T 0.1 -0.1 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 T 10/18 TO 10/18 10/17 TO 10/17 DEGREE_DAYS HEATING TOTAL 427 452 -25 348 SINCE 7/1 495 633 -138 497 COOLING TOTAL 1 5 -4 10 SINCE 1/1 698 539 159 542 .................................................. WIND (MPH) AVERAGE WIND SPEED 9.4 HIGHEST WIND SPEED/DIRECTION 43/250 DATE 10/15 HIGHEST GUST SPEED/DIRECTION 53/250 DATE 10/15 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.70 NUMBER OF DAYS FAIR 2 NUMBER OF DAYS PC 13 NUMBER OF DAYS CLOUDY 16 AVERAGE RH (PERCENT) 68 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 6 MIXED PRECIP 0 HEAVY RAIN 3 RAIN 5 LIGHT RAIN 19 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 2 SLEET 0 FOG 10 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. && ...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 51.0F DEGREES WHICH WAS 0.4F 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 15TH THAT THE AIR TEMPERATURE DIPPED INTO THE 30S FOR THE FIRST TIME THIS SEASON...WHICH IS THE 3RD LATEST RECORDING IN 145 YEARS WORTH OF RECORD. THE MAXIMUM TEMPERATURE OF 45 DEGREES ON THE 17TH TIED FOR THE COOLEST MAXIMUM TEMPERATURE FOR THE DATE. PRECIPITATION FOR THE MONTH FINISHED AT 2.78 INCHES WHICH IS A SHADE ABOVE NORMAL. ROUGHLY A THIRD OF THIS TOTAL FELL WITHIN ONE EVENT WHEN THE REMNANTS OF HURRICANE PATRICIA PASSED ACROSS THE REGION. ON OCTOBER 28TH TO 29TH EXACTLY 1.00 INCH OF RAIN FELL AT THE AIRPORT. THERE WERE SEVERAL THUNDERSTORMS THIS MONTH...WITH 6 SUCH DAYS RECORDING THUNDER...WHICH IS 5 MORE THAN NORMAL. THE FIRST SNOWFLAKES OF THE SEASON WERE RECORDED THIS MONTH WITH A TRACE OF SNOW FALLING ON BOTH THE 17TH AND 18TH OF THE MONTH. 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 NEARLY AN INCH OF RAIN FELL ACROSS THE ROCHESTER 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 OVER HALF A FOOT OF SNOW FALLING SOUTHEAST OF LAKE ONTARIO. 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 UPPER 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 WEDNESDAY THE 28TH ALONG WITH GUSTY WIND GUSTS ON BOTH THE 28TH AND THE 29TH. ON THE 29TH WINDS REACHED 43 MPH AT THE AIRPORT. THE MONTH ENDED COOLER AND QUIETER...WITH RAIN SHOWERS HOLDING OFF UNTIL MOST OF HALLOWEEN FESTIVITIES WERE COMPLETED. WINDS AVERAGED ABOVE NORMAL THIS MONTH...WITH THE AVERAGE SPEED OF 9.4 MPH AN EVEN 1.0 MPH GREATER THAN NORMAL. THE STRONGEST WIND GUST OCCURRED ON THE 15TH WHEN WESTERLY WIND GUSTS REACHED 53 MPH. OVERALL A PLEASANT OCTOBER WITH BRIEF INTERRUPTIONS OF COLDER AND WINDIER CONDITIONS. && THOMAS $$

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