Climatological Report (Monthly)
Issued by NWS Buffalo, NY

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000 CXUS51 KBUF 040046 CLMBUF CLIMATE REPORT NATIONAL WEATHER SERVICE BUFFALO NY 547 PM EDT FRI MAY 1 2015 ................................... ...THE BUFFALO NY CLIMATE SUMMARY FOR THE MONTH OF APRIL 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 94 04/28/1990 LOW 5 04/01/1923 HIGHEST 78 04/13 76 04/14 LOWEST 25 04/01 24 04/16 04/15 AVG. MAXIMUM 55.4 55.0 0.4 56.0 AVG. MINIMUM 36.1 36.8 -0.7 35.5 MEAN 45.8 45.9 -0.1 45.8 DAYS MAX >= 90 0 0.0 0.0 0 DAYS MAX <= 32 0 0.5 -0.5 0 DAYS MIN <= 32 7 8.5 -1.5 10 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 5.90 1961 MINIMUM 0.59 1915 TOTALS 2.70 3.01 -0.31 5.08 DAYS >= .01 15 16 DAYS >= .10 10 11 DAYS >= .50 0 2 DAYS >= 1.00 0 0 GREATEST 24 HR. TOTAL 0.49 04/19 TO 04/20 SNOWFALL (INCHES) RECORDS TOTAL 15.7 1885 TOTALS 0.3 2.7 -2.4 1.2 SINCE 7/1 112.9 94.4 18.5 SNOWDEPTH AVG. 0 MM MM 0 DAYS >= 1.0 0 0.8 -0.8 1 GREATEST SNOW DEPTH 0 MM -1 04/05 24 HR TOTAL 0.3 04/04 TO 04/04 DEGREE_DAYS HEATING TOTAL 570 576 -6 571 SINCE 7/1 6820 6281 539 6855 COOLING TOTAL 0 3 -3 0 SINCE 1/1 0 3 -3 0 ...................................................... WIND (MPH) AVERAGE WIND SPEED 11.1 HIGHEST WIND SPEED/DIRECTION 40/240 HIGHEST GUST SPEED/DIRECTION 62/250 DATE 04/10 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM NUMBER OF DAYS FAIR 5 NUMBER OF DAYS PC 10 NUMBER OF DAYS CLOUDY 15 AVERAGE RH (PERCENT) 66 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 3 MIXED PRECIP 0 HEAVY RAIN 4 RAIN 11 LIGHT RAIN 18 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 2 LIGHT SNOW 5 SLEET 0 FOG 18 FOG W/VIS <= 1/4 MILE 2 HAZE 6 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. && ...COMFORTABLE APRIL... COMFORTABLE DAYS RETURNED TO WESTERN NEW YORK IN APRIL FOLLOWING ANOTHER HARSH WINTER AND SLOW START TO SPRING. THE MONTH HAD THREE WEATHER REGIMES...WITH EACH LASTING ABOUT 10 DAYS. THE FIRST 10 DAYS IN APRIL SAW DAILY SWINGS IN TEMPERATURES AS WINTER`S COLD AND LATE SEASON SNOW BATTLED WITH THE STRONGER APRIL SUN ANGLE AND WARMTH OF SPRING. THE MIDDLE OF THE MONTH WAS PLEASANT WITH ABOVE NORMAL WARMTH AND A FEW APRIL SHOWERS. THE END OF THE MONTH FINISHED ON THE COOL SIDE WITH SCATTERED LIGHT SHOWERS AND SPRINKLES. THE AVERAGE TEMPERATURE THIS MONTH WAS 45.8F DEGREES...WHICH IS A SHADE LOWER THAN NORMAL...AND THE EXACT SAME APRIL AVERAGE AS A YEAR PRIOR. THE FIRST 70 DEGREE READING OF THE YEAR OCCURRED ON THE 13TH WITH A READING OF 78F DEGREES...WHICH IS JUST 3 DAYS LATER THAN NORMAL. THERE WERE NO RECORDS ESTABLISHED THIS MONTH. PRECIPITATION FOR THE MONTH SUMMED TO 2.70 INCHES WHICH IS ABOUT A THIRD OF AN INCH BELOW NORMAL. THERE WERE NO SIGNIFICANT PRECIPITATION EVENTS THIS MONTH AND NO RECORDS WERE BROKEN. HALF THE DAYS RECEIVED MEASURABLE PRECIPITATION...WHICH IS ONE MORE THAN NORMAL. THERE WAS MEASURABLE SNOWFALL ON THE SATURDAY BEFORE EASTER SUNDAY...WITH 0.3 INCHES ACCUMULATING. A WARM FRONT LIFTED ACROSS NEW YORK STATE ON THE 2ND AND BROUGHT THE FIRST TASTE OF SPRING TO THE REGION. GUSTY SOUTHERLY WINDS BROUGHT TEMPERATURES INTO THE UPPER 60S AND LOWER 70S ACROSS WESTERN NEW YORK. FOLLOWING A COLD FRONT PASSAGE ON THE 3RD...A MINOR SNOW ACCUMULATION OCCURRED OVER THE REGION ON SATURDAY APRIL 4TH. THE PATTERN FOR THE NEXT WEEK FEATURED EARLY SPRING TEMPERATURE FLUCTUATIONS THAT CUMULATED WITH A STRONG COLD FRONT ON THE 10TH THAT BROUGHT STRONG...DAMAGING WIND GUSTS ACROSS WESTERN NEW YORK. FOR MID MONTH A DOMINATING RIDGE OF HIGH PRESSURE REACHED WESTERN NEW YORK FOR THE MIDDLE PORTION OF THE MONTH. THERE WERE SUN-FILLED DAYS THAT ALLOWED THE GRASS TO GREEN AND EARLY SPRING FLOWERS TO APPEAR. RAIN SHOWERS WERE LIGHT AND TENDED TO FALL DURING THE LATER EVENING AND OVERNIGHT HOURS. THE LAST THIRD OF THE MONTH WAS DOMINATED BY A SLOW MOVING CUT OFF LOW THAT BROUGHT UNSEASONABLY COOL TEMPERATURES AND CLOUDY DAYS TO WESTERN NEW YORK. THIS SYSTEM BROUGHT SEVERAL INCHES OF SNOW TO THE HILLS OF SOUTHWESTERN NEW YORK STATE ON THURSDAY THE 23RD...AND EVEN A FEW TENTHS OF AN INCH OF SNOW ACROSS THE IMMEDIATE BUFFALO SUBURBS. THIS SNOW FALLING THROUGH THE EARLY MORNING HOURS SNARLED THE MORNING COMMUTE. LATE APRIL`S WARMTH RETURNED FOR THE FINAL FEW DAYS OF THE MONTH. LAKE ERIE HAD AN ICE OUT DATE OF APRIL 18TH THIS YEAR WHICH IS VERY CLOSE TO NORMAL. THE STRONGEST WIND GUST THIS MONTH OCCURRED ON THE 10TH FOLLOWING A COLD FRONTAL PASSAGE WHEN WINDS GUSTED TO 62 MPH. IN ALL A TYPICAL APRIL THAT WAS WELL WELCOMED FOLLOWING THREE MONTHS OF WELL BELOW NORMAL TEMPERATURES. && THOMAS $$

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