Climatological Report (Monthly)
Issued by NWS Buffalo, NY

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487 CXUS51 KBUF 031852 CLMROC CLIMATE REPORT NATIONAL WEATHER SERVICE BUFFALO NY 150 PM EDT SAT JUL 1 2017 ................................... ...THE ROCHESTER NY CLIMATE SUMMARY FOR THE MONTH OF JUNE 2017... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1871 TO 2017 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 100 06/21/1953 LOW 35 06/08/1949 HIGHEST 90 06/18 93 06/26 06/12 LOWEST 48 06/03 44 06/14 06/02 06/10 06/09 AVG. MAXIMUM 77.2 76.6 0.6 79.2 AVG. MINIMUM 58.2 55.9 2.3 55.8 MEAN 67.7 66.2 1.5 67.5 DAYS MAX >= 90 2 0.9 1.1 4 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 8.14 1922 MINIMUM 0.22 1963 TOTALS 3.54 3.34 0.20 0.91 DAYS >= .01 15 7 DAYS >= .10 9 3 DAYS >= .50 2 0 DAYS >= 1.00 0 0 GREATEST 24 HR. TOTAL 0.88 06/15 TO 06/15 SNOWFALL (INCHES) RECORDS TOTAL MM MM TOTALS 0.0 0.0 0.0 0.0 SINCE 7/1 107.1 99.5 7.6 63.7 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 06/30 TO 06/30 DEGREE_DAYS HEATING TOTAL 45 68 -23 47 SINCE 7/1 5577 6646 -1069 5655 COOLING TOTAL 133 106 27 129 SINCE 1/1 175 136 39 191 ................................................... WIND (MPH) AVERAGE WIND SPEED 8.6 HIGHEST WIND SPEED/DIRECTION 35/230 DATE 06/26 HIGHEST GUST SPEED/DIRECTION 43/220 DATE 06/26 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.60 NUMBER OF DAYS FAIR 1 NUMBER OF DAYS PC 20 NUMBER OF DAYS CLOUDY 9 AVERAGE RH (PERCENT) 69 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 9 MIXED PRECIP 0 HEAVY RAIN 5 RAIN 7 LIGHT RAIN 18 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 13 FOG W/VIS <= 1/4 MILE 1 HAZE 0 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. && ...A MORE TYPICAL JUNE FOR WESTERN NEW YORK... AFTER THE SECOND WETTEST SPRING ON RECORD, A MORE TYPICAL JUNE UNFOLDED, WITH A JUNE GLOOM PROVIDING FOR A COOL START TO THE MONTH. BY MID MONTH, SUMMER`S WARMTH WAS UPON US COUPLED WITH SHOWERS AND THUNDERSTORMS. A MIX OF COOL AND WARM DAYS CLOSED OUT THE MONTH. RAINFALL WAS EVENLY SPREAD OUT THROUGH THE MONTH. THE AVERAGE TEMPERATURE OF 67.7F WAS A DEGREE AND A HALF ABOVE NORMAL. THE NUMBER OF DAYS THAT REACHED 70F WAS ONE BELOW THE NORMAL OF 24, AND THE NUMBER OF DAYS THAT REACHED 80F WAS ONE ABOVE THE NORMAL OF 12. THERE WERE NO EXTREMES OR RECORDS SET THIS MONTH. WARM NIGHTS WERE GREATER THAN NORMAL THIS MONTH, WITH 3 CALENDAR DAYS REMAINING 70F OR GREATER. THIS IS THE 7TH GREATEST JUNE TOTAL IN RECORDED HISTORY. PRECIPITATION WAS CLOSE TO NORMAL THIS MONTH WITH 3.54 INCHES RECORDED. THIS IS THE 7TH CONSECUTIVE MONTH WITH ABOVE NORMAL PRECIPITATION FOR ROCHESTER. THE WETTEST DAY THIS MONTH WAS THE 15TH WHEN WIDESPREAD ONE AND A HALF TO TWO INCHES OF RAIN FELL TO THE SOUTH AND EAST OF ROCHESTER. AT THE AIRPORT 0.88" OF RAIN WAS RECORDED. THERE WERE 9 DAYS WITH THUNDERSTORMS THIS MONTH, ABOUT 4 DAYS GREATER THAN NORMAL. THROUGH THE FIRST 9 DAYS OF THE MONTH AN UPPER LEVEL TROUGH OF LOW PRESSURE DOMINATED THE GREAT LAKES REGION, WITH TEMPERATURES GENERALLY BELOW NORMAL. HOWEVER PRECIPITATION EVENTS WERE GENERALLY ON THE LIGHT SIDE WITHIN THIS TROUGH. BY THE 10TH AN UPPER LEVEL RIDGE FROM THE PLAINS SHIFTED EASTWARD, AND BROUGHT BOTH SUMMER`S HEAT AND HUMIDITY TO THE EASTERN GREAT LAKES REGION. A FEW SHOWERS AND THUNDERSTORMS ACCOMPANIED THIS WARMTH, WITH WIDESPREAD SEVERE ACTIVITY ON THE 15TH AND 18TH. AN UPPER LEVEL TROUGH OF LOW PRESSURE THEN SETTLED OVER THE REGION FOR THE FOURTH WEEK OF THE MONTH. COOL TEMPERATURES SETTLED BACK ACROSS WESTERN NEW YORK, WITH SCATTERED SHOWERS AND THUNDERSTORMS. AT THE HEIGHT OF THE COLD PERIOD, AFTERNOON TEMPERATURES WERE IN THE UPPER 60S TO LOWER 70S WITH WATERSPOUTS FORMING ON BOTH LAKE ERIE AND ONTARIO ON THE 26TH AND 27TH. SOUTHWEST WINDS WERE PREVALENT THIS MONTH, WITH THE MONTHLY AVERAGE WINDS SPEEDS 0.6 MPH ABOVE THE NORMAL OF 8.0 MPH. IN ALL A FAIRLY TYPICAL MONTH WITH NO PROLONGED EXTREME EVENTS. && THOMAS $$

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