Climatological Report (Monthly)
Issued by NWS Buffalo, NY

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000 CXUS51 KBUF 050248 CLMBUF CLIMATE REPORT NATIONAL WEATHER SERVICE BUFFALO NY 725 AM EDT TUE NOV 1 2016 ................................... ...THE BUFFALO NY CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2016... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1871 TO 2016 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 77 10/06 76 10/12 LOWEST 32 10/31 30 10/19 AVG. MAXIMUM 62.6 59.0 3.6 59.3 AVG. MINIMUM 46.2 42.7 3.5 43.5 MEAN 54.4 50.8 3.6 51.4 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 1 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 9.13 1954 MINIMUM 0.08 1924 TOTALS 4.41 3.52 0.89 3.81 DAYS >= .01 13 15 DAYS >= .10 8 8 DAYS >= .50 3 2 DAYS >= 1.00 2 1 GREATEST 24 HR. TOTAL 1.47 10/20 TO 10/21 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 10/27 TO 10/27 DEGREE_DAYS HEATING TOTAL 335 443 -108 416 SINCE 7/1 379 605 -226 486 COOLING TOTAL 12 4 8 1 SINCE 1/1 939 544 395 657 ......................................................... WIND (MPH) AVERAGE WIND SPEED 8.9 HIGHEST WIND SPEED/DIRECTION 31/230 HIGHEST GUST SPEED/DIRECTION 43/250 DATE 10/29 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM NUMBER OF DAYS FAIR 6 NUMBER OF DAYS PC 12 NUMBER OF DAYS CLOUDY 13 AVERAGE RH (PERCENT) 72 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 1 MIXED PRECIP 0 HEAVY RAIN 5 RAIN 10 LIGHT RAIN 16 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 2 LIGHT SNOW 2 SLEET 0 FOG 15 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. && ...CHANGEABLE WEATHER, MILD AND A RETURN TO MORE UNSETTLED DAYS... OCTOBER FEATURED SEVERAL PATTERN CHANGES AS EXTENDED SUMMER`S WARMTH FLEETED, AND COOLER, UNSETTLED WEATHER ENTERED. MILD TEMPERATURES RULED THE FIRST TWO-THIRDS OF THE MONTH BEFORE THE PATTERN CHANGED AND COOLER AIR CAMPED OVER THE REGION THROUGH MUCH OF THE END OF THE MONTH. THERE WAS AN INCREASE IN UNSETTLED WEATHER THIS MONTH, WHICH PUSHED OVERALL PRECIPITATION TO WELL ABOVE NORMAL. TEMPERATURES THIS MONTH AVERAGED 54.4F DEGREES WHICH IS JUST OVER 3 AND A HALF DEGREES ABOVE NORMAL. MILD AIR RULED THE FIRST 20 DAYS OF THE MONTH, WITH 16 DAYS ABOVE NORMAL. THERE WERE 10 DAYS THAT REACHED 70F THIS MONTH, WHICH IS DOUBLE THE AVERAGE. THE TEMPERATURE DROPPED TO 32F ON THE MORNING OF THE 31ST, MARKING THE FIRST SUCH FREEZING TEMPERATURE OF THE FALL SEASON. THERE WERE NO TEMPERATURE RECORDS BROKEN THIS MONTH. PRECIPITATION TOTALED 4.41 INCHES, WHICH IS NEARLY AN INCH ABOVE NORMAL. THIS PRECIPITATION WAS WELCOMED AS THE RAINFALL PUT A DENT IN THE MAJOR DROUGHT THAT HAS REMAINED ACROSS THE REGION SINCE EARLY SPRING. THE MAJOR PRECIPITATION EVENT THIS MONTH WAS A FRONTAL SYSTEM, WITH SEVERAL MOISTURE LADEN WAVES THAT PASSED ACROSS THE REGION ON THE 20TH THROUGH EARLY ON THE 22ND. THIS SYSTEM PRODUCED 2 TO 6 INCHES OF RAINFALL ACROSS WESTERN NEW YORK, WITH THE HIGHEST TOTALS ACROSS THE GENESEE VALLEY. AT THE BUFFALO AIRPORT THIS SYSTEM PRODUCED A NEW DAILY RECORD OF 1.30 INCHES ON THE 21ST. THE FIRST SNOWFLAKES FLEW FOR A FEW HOURS, LATE ON THE 26TH AND EARLY ON THE 27TH. THE MONTH BEGAN UNSETTLED AS A SLOW MOVING UPPER LEVEL LOW SPIRALED ACROSS THE REGION. A SUB TROPICAL RIDGE THEN EXPANDED ACROSS THE REGION AFTER THE DEPARTURE OF THIS UPPER LEVEL LOW, BRINGING FINE AUTUMN WEATHER WITH TEMPERATURES TOPPING THE 70F MARK AND BRILLIANT BLUE SKIES. UNSETTLED WEATHER RETURNED FOR THE WEEKEND OF THE 8TH AND 9TH AS ANOTHER TROUGH OF LOW PRESSURE PASSED BY AND INTERACTED WITH TROPICAL MOISTURE. BEHIND THIS TROUGH THE FIRST TRUE COLD AIR OF THE MONTH ARRIVED WITH HIGHS REMAINING IN THE UPPER 50S. THIS COOLER PERIOD WAS BRIEF, JUST A FEW DAYS, AS MILDER SOUTHERLY WINDS RETURNED WARMTH TO WESTERN NEW YORK BY THE 12TH. UNEVENTFUL WEATHER CONTINUED THROUGH MID-MONTH BEFORE A COLD FRONT STALLED ACROSS THE REGION DURING THE 20TH THROUGH 22ND. SEVERAL WAVES OF LOW PRESSURE PASSED ALONG THE FRONT AND ACROSS THE REGION, WITH EACH WAVE BRINGING SEVERAL INCHES OF RAINFALL TO WESTERN NEW YORK. THE GREATEST RAINFALL WAS ACROSS THE UPPER GENESEE VALLEY WHERE SOME FLOODING OCCURRED ON FRIDAY THE 21ST. BEHIND THIS FRONT, A LONGER DURATION COLD AIRMASS PASSED ACROSS THE REGION. THIS AIRMASS GAVE US OUR FIRST SNOWFLAKES OF THE YEAR LATE ON THE 26TH. ADDITIONAL RAINFALL ON THE 27TH AND 30TH PUSHED THIS OCTOBER TO THE WETTEST MONTH SINCE EXACTLY 2 YEARS AGO. LAKE ERIE CONTINUED ITS UNCHARTED TEMPERATURE TERRITORY THIS MONTH, WITH OVER HALF THE DAYS EITHER TYING, OR BREAKING THE DAILY HIGH TEMPERATURE MARK. THE LAKE COOLED FROM A HIGH OF 69F AT MONTHS START TO 57F BY THE END OF THE MONTH. THERE WERE NO APPRECIABLE WIND EVENTS THIS MONTH, WITH THE HIGHEST GUST JUST 38 MPH ON THE 18TH. IN ALL, A MILD MONTH WITH WELCOMED RAINS. && THOMAS $$

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