Climatological Report (Monthly)
Issued by NWS Buffalo, NY

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000 CXUS51 KBUF 041527 CLMBUF CLIMATE REPORT NATIONAL WEATHER SERVICE BUFFALO NY 1221 PM EDT SUN JUN 1 2014 ................................... ...THE BUFFALO NY CLIMATE SUMMARY FOR THE MONTH OF MAY 2014... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1871 TO 2014 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 94 05/22/1911 LOW 25 05/04/1926 HIGHEST 85 05/13 86 05/31 LOWEST 37 05/05 34 05/13 AVG. MAXIMUM 66.7 66.5 0.2 71.6 AVG. MINIMUM 48.6 47.4 1.2 51.2 MEAN 57.7 56.9 0.8 61.4 DAYS MAX >= 90 0 0.0 0.0 0 DAYS MAX <= 32 0 0.0 0.0 0 DAYS MIN <= 32 0 0.2 -0.2 0 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 8.09 2011 MINIMUM 0.53 1877 TOTALS 3.12 3.46 -0.34 3.57 DAYS >= .01 14 12 DAYS >= .10 8 7 DAYS >= .50 2 2 DAYS >= 1.00 0 1 GREATEST 24 HR. TOTAL 0.85 05/15 TO 05/16 05/28 TO 05/29 05/13 TO 05/13 05/13 TO 05/13 SNOWFALL (INCHES) RECORDS TOTAL 7.9 1989 TOTALS 0.0 0.3 -0.3 T SINCE 7/1 129.9 94.7 35.2 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 0.0 05/31 TO 05/31 DEGREE_DAYS HEATING TOTAL 242 272 -30 174 SINCE 7/1 7097 6553 544 6032 COOLING TOTAL 23 23 0 71 SINCE 1/1 23 26 -3 71 .................................................... WIND (MPH) AVERAGE WIND SPEED 10.0 HIGHEST WIND SPEED/DIRECTION 33/260 DATE 05/09 HIGHEST GUST SPEED/DIRECTION 44/260 DATE 05/09 SKY COVER POSSIBLE SUNSHINE (PERCENT) 59 NUMBER OF DAYS FAIR 6 NUMBER OF DAYS PC 12 NUMBER OF DAYS CLOUDY 13 AVERAGE RH (PERCENT) 70 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 5 MIXED PRECIP 0 HEAVY RAIN 4 RAIN 6 LIGHT RAIN 17 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 17 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. && ...PLEASANT MAY... FOLLOWING A COOL START TO THE SPRING...MAY TURNED INTO A PLEASANT...MILD AND QUIET MONTH. OUTSIDE OF A VERY WARM AND WET MID MONTH PERIOD...MAY WAS COMFORTABLE AND DRY. THE AVERAGE TEMPERATURE OF 57.7F DEGREES WAS ABOUT A DEGREE WARMER THAN NORMAL. THIS WAS OUR FIRST ABOVE NORMAL TEMPERATURE MONTH SINCE OCTOBER OF 2013. THE MONTH FEATURED 3 DAYS OF 80F OR GREATER...WHICH IS ONE MORE THAN NORMAL. OF THESE THREE VERY WARM DAYS...TWO TIED DAILY RECORDS. THE 82F READING ON MAY 9TH AND THE 85F READING ON MAY 13TH TIED THEIR RESPECTIVE DAILY MAXIMUM READINGS. PRECIPITATION FOR MAY WAS 3.12 INCHES...WHICH IS ABOUT A THIRD OF AN INCH BELOW NORMAL. MOST OF THE RAIN FELL IN A 4 DAY STRETCH FROM THE 13TH TO 16TH...TOTALING 2.23 INCHES. THERE WERE NO PRECIPITATION RECORDS OR EXTREMES THIS MONTH. A LONGWAVE TROUGH REMAINED OVER THE GREAT LAKES REGION THE FIRST WEEK OF THE MONTH WITH COOL DAYTIME TEMPERATURES AND NORMAL OVERNIGHT LOWS. A PATTERN CHANGE ENSUED FOR THE SECOND WEEK OF THE MONTH WITH A RIDGE OF HIGH PRESSURE ALONG THE EASTERN UNITED STATES...AND A WARM FRONT ADVANCING NORTHWARD FROM THE OHIO VALLEY AND TOWARDS THE NORTHEAST. ON THE 13TH A STALLING WARM FRONT SERVED AS A BOUNDARY FOR FLOODING RAINS ACROSS THE SOUTHERN TIER...WITH RAINFALL MORE MANAGEABLE IN THE BUFFALO METRO AREA. BEHIND THIS WARM FRONT CLOUDS CLEARED THROUGH THE AFTERNOON AND TEMPERATURES SOARED TO 85F WHICH TIED A DAILY RECORD HIGH. IT REMAINED MILD OVERNIGHT AND WAS AGAIN WARM AND HUMID ON THE 14TH AND 15TH WITH RAIN SHOWERS. TEMPERATURES THROUGH THE REMAINDER OF THE MONTH AVERAGE NEAR NORMAL...WITH QUIET WEATHER CONDITIONS. MEMORIAL DAY WEEKEND WAS EXCELLENT WITH BRIGHT SUNNY DAYS ALL THREE DAYS OF THE HOLIDAY WEEKEND. THERE WAS VARIABLE CLOUD COVER IN MAY AND THE MONTH FINISHED AT 2 PERCENT GREATER THAN NORMAL FOR SUNSHINE. THERE WERE 11 MOSTLY SUNNY DAYS...AND JUST 6 MOSTLY CLOUDY DAYS. THE LAKE LOST ITS ICE IN THE BUFFALO HARBOR ON MAY 3RD...ITS LATEST ICE OUT DATE SINCE 1996. DESPITE THE COLD WINTER AND COOL START TO THE SPRING THE LAKE DID WARM TO 56F BY MONTHS END WHICH IS 2 DEGREES ABOVE NORMAL. WINDS WERE MODERATE DURING THE MONTH AND SOUTHWEST STABILIZING LAKE BREEZES WERE COMMON. SPRING`S (MARCH-APRIL-MAY) TEMPERATURE AVERAGED BELOW NORMAL...WITH A COOL MARCH SENDING THE SPRING A FEW DEGREES BELOW NORMAL. IN THE PRECIPITATION DEPARTMENT A WET APRIL CONTRIBUTED TO AN ABOVE NORMAL PRECIPITATION SPRING. HERE ARE SOME SPRING STATS... (VALUE) (DEPARTURE FROM NORMAL) TEMPERATURE...........43.4F (-2.2) PRECIPITATION........10.75" (+1.41) SNOW..................25.7" (+9.8) && THOMAS $$

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