Climatological Report (Monthly)
Issued by NWS Buffalo, NY

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000 CXUS51 KBUF 021256 CLMROC CLIMATE REPORT NATIONAL WEATHER SERVICE BUFFALO NY 745 AM EDT SAT AUG 1 2015 ................................... ...THE ROCHESTER NY CLIMATE SUMMARY FOR THE MONTH OF JULY 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 102 07/10/1936 07/09/1936 LOW 42 07/09/1963 HIGHEST 91 07/29 89 07/01 LOWEST 50 07/16 52 07/25 07/03 07/05 AVG. MAXIMUM 80.7 81.0 -0.3 78.5 AVG. MINIMUM 61.0 60.7 0.3 60.0 MEAN 70.9 70.8 0.1 69.3 DAYS MAX >= 90 1 2.3 -1.3 0 DAYS MAX <= 32 0 0.0 0.0 0 DAYS MIN <= 32 0 0.0 0.0 0 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 9.70 1947 MINIMUM 0.43 1933 TOTALS 3.56 3.33 0.23 7.70 DAYS >= .01 12 13 DAYS >= .10 8 10 DAYS >= .50 2 4 DAYS >= 1.00 1 3 GREATEST 24 HR. TOTAL 1.56 07/17 TO 07/18 SNOWFALL (INCHES) RECORDS TOTAL MM MM TOTALS 0.0 0.0 0.0 0.0 SINCE 7/1 0.0 0.0 0.0 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 0.0 MM DEGREE_DAYS HEATING TOTAL 11 12 -1 7 SINCE 7/1 11 12 -1 7 COOLING TOTAL 200 193 7 150 SINCE 1/1 397 329 68 339 .................................................. WIND (MPH) AVERAGE WIND SPEED 6.9 HIGHEST WIND SPEED/DIRECTION 33/300 HIGHEST GUST SPEED/DIRECTION 44/290 DATE 07/31 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.50 NUMBER OF DAYS FAIR 6 NUMBER OF DAYS PC 20 NUMBER OF DAYS CLOUDY 5 AVERAGE RH (PERCENT) 68 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 2 MIXED PRECIP 0 HEAVY RAIN 5 RAIN 4 LIGHT RAIN 14 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 18 FOG W/VIS <= 1/4 MILE 0 HAZE 0 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. && ...COMFORTABLE MONTH OF JULY... JULY CONTINUED THE SWINGS OF ABOVE TO BELOW NORMAL TEMPERATURES THROUGH THE MONTH. THE MONTH ENDED WITH A MORE TYPICAL PATTERN REGIME OF HEAT THE LAST FEW DAYS OF THE MONTH. THE HEAVIEST OF RAINS FROM THUNDERSTORMS GENERALLY REMAINED SOUTH OF THE ROCHESTER AREA THROUGH THE MONTH. THE AVERAGE TEMPERATURE FOR JULY WAS 70.9F DEGREES WHICH IS JUST A TENTH OF A DEGREE ABOVE NORMAL. NO SINGLE PATTERN WAS ABLE TO BE ESTABLISHED OVER THE REGION THIS MONTH...WITH THE LONGEST STRETCH OF ABOVE OR BELOW NORMAL TEMPERATURES BEING JUST 7 DAYS. IN TOTAL THERE WERE 15 DAYS ABOVE NORMAL...AND 16 DAYS BELOW NORMAL. THE WARMEST DAY THIS MONTH WAS A 91 DEGREE READING ON THE 29TH WHICH WAS THE THIRD 90 DEGREE READING OF THE YEAR. OVERALL THE MONTH GENERALLY FINISHED NEAR NORMAL WITH 20 OF THE 31 DAYS FINISHING WITHIN 5 DEGREES OF NORMAL. THERE WERE 18 DAYS THAT REACHED 80F OR GREATER IN JULY WHICH IS 1 DAY LESS THAN NORMAL. PRECIPITATION FINISHED ABOVE NORMAL FOR THE MONTH WITH THE 3.56 INCHES OF RAIN ABOUT A QUARTER OF AN INCH ABOVE NORMAL. THREE- QUARTERS OF THE RAINFALL THIS MONTH FELL OVER THE LAST TWO WEEKS OF THE MONTH. THERE WAS ONE LARGE RAINFALL EVENT...ON THE 18TH 1.51 INCHES OF RAINFALL WAS MEASURED WITHIN THUNDERSTORMS...THOUGH THIS AMOUNT REMAINED BELOW THE DAILY RECORD VALUE. JULY STARTED PLEASANT ACROSS WESTERN NEW YORK. AFTER A FEW SCATTERED SHOWERS ON THE 1ST...SUNSHINE AND COMFORTABLE HUMIDITY LEVELS RETURNED WITH THE FINE WEATHER CONDITIONS PREVAILING RIGHT THROUGH THE HOLIDAY WEEKEND. A WARM FRONT LIFTED ACROSS THE REGION ON THE 6TH AND 7TH BRINGING AN INCREASE IN HUMIDITY ALONG WITH SCATTERED SHOWERS AND THUNDERSTORMS. A FEW OF THESE THUNDERSTORMS FORMING ON A LAKE BREEZE OFF LAKE ERIE BECAME SEVERE DURING THE AFTERNOON OF THE 7TH. ISOLATED TREE DAMAGE WAS REPORTED ACROSS WESTERN SUBURBS OF ROCHESTER. MORE SIGNIFICANT THUNDERSTORMS ROLLED THROUGH WESTERN NEW YORK ON THE 14TH WITH THE STORMS PRODUCING FLOODING RAINS ACROSS THE SOUTHERN TIER AND SOUTHERN GENESEE VALLEY IN ADDITION TO DOWNING SEVERAL TREES. DEWPOINTS SOARED TO OVER 70F ON THE 18TH AND 19TH MAKING FOR A STICKY WEEKEND. A STRONG LAKE BREEZE ON THE 19TH OFF BOTH LAKES ERIE AND ONTARIO FENDED OFF APPROACHING THUNDERSTORMS FROM THE WEST. AFTER A BRIEF COOL SPELL FROM THE 22ND TO THE 24TH...THE WARMEST AIRMASS OF THE SUMMER SEASON REACHED WESTERN NEW YORK. TEMPERATURES ON THE 26TH THROUGH 28TH CLIMBED INTO THE UPPER 80S...WITH A PEAK OF 91F ON THE 29TH. A COOL FRONT CROSSED WESTERN NEW YORK ON THE MORNING HOURS OF THE 30TH WITH A FEW SHOWERS. WINDS WERE A BIT BELOW NORMAL THIS MONTH...AVERAGING 6.9 MPH WHICH IS A HALF A MILE PER HOUR BELOW NORMAL. THERE WERE TWO DAYS THAT HAD A 44 MPH WIND GUST...STRONGEST GUSTS THIS MONTH. ON THE 7TH WINDS GUSTED TO 44 MPH JUST AHEAD OF HEAVY RAIN...WHILE ON THE 31ST WINDS GUSTED TO 44 MPH AS A THUNDERSTORM WAS ENDING OVER THE AIRPORT. IN ALL A COMFORTABLE MONTH...WITH LIMITED EXTREME HEAT AND HUMIDITY. && THOMAS $$

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