Climatological Report (Monthly)
Issued by NWS Buffalo, NY

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446 CXUS51 KBUF 031530 CLMROC CLIMATE REPORT NATIONAL WEATHER SERVICE BUFFALO NY 1050 AM EST THU MAR 1 2018 ................................... ...THE ROCHESTER NY CLIMATE SUMMARY FOR THE MONTH OF FEBRUARY 2018... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1871 TO 2018 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 73 02/21/1997 LOW -22 02/09/1934 HIGHEST 71 02/20 67 02/23 LOWEST 9 02/02 14 02/03 02/02 AVG. MAXIMUM 42.1 34.1 8.0 43.9 AVG. MINIMUM 25.1 18.6 6.5 27.1 MEAN 33.6 26.4 7.2 35.5 DAYS MAX >= 90 0 0.0 0.0 0 DAYS MAX <= 32 10 12.4 -2.4 6 DAYS MIN <= 32 22 25.2 -3.2 23 DAYS MIN <= 0 0 0.8 -0.8 0 PRECIPITATION (INCHES) RECORD MAXIMUM 6.04 1876 MINIMUM 0.35 1888 TOTALS 2.15 1.95 0.20 2.33 DAYS >= .01 18 13 DAYS >= .10 6 7 DAYS >= .50 0 1 DAYS >= 1.00 0 0 GREATEST 24 HR. TOTAL 0.39 02/19 TO 02/19 02/07 TO 02/07 02/06 TO 02/07 02/07 TO 02/07 SNOWFALL (INCHES) RECORDS TOTAL 64.8 1958 TOTALS 15.7 21.5 -5.8 14.6 SINCE 7/1 85.9 78.9 7.0 71.6 SNOWDEPTH AVG. 2 4 -2 1 DAYS >= 1.0 4 6.8 -2.8 5 GREATEST SNOW DEPTH 8 02/11 4 02/14 02/13 24 HR TOTAL 4.2 02/07 TO 02/07 02/12 TO 02/13 02/07 TO 02/07 02/07 TO 02/07 DEGREE_DAYS HEATING TOTAL 871 1082 -211 819 SINCE 7/1 4397 4786 -389 3868 COOLING TOTAL 0 0 0 0 SINCE 1/1 0 0 0 0 ........................................................ WIND (MPH) AVERAGE WIND SPEED 10.2 HIGHEST WIND SPEED/DIRECTION 36/260 HIGHEST GUST SPEED/DIRECTION 47/260 DATE 02/25 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.80 NUMBER OF DAYS FAIR 2 NUMBER OF DAYS PC 8 NUMBER OF DAYS CLOUDY 18 AVERAGE RH (PERCENT) 74 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 MIXED PRECIP 0 HEAVY RAIN 1 RAIN 3 LIGHT RAIN 10 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 2 LIGHT SNOW 16 SLEET 0 FOG 22 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. && ...ABOVE NORMAL TEMPERATURES FOR THE MONTH OF FEBRUARY... FEBRUARY STARTED OFF WITH MOSTLY BELOW NORMAL TEMPERATURES FOR THE FIRST WEEK AND A HALF. ON FEBRUARY 14TH, A WARMING TREND PROPELLED TEMPERATURES ABOVE NORMAL FOR ALL BUT ONE DAY FOR THE REST OF THE MONTH. PRECIPITATION FOR THE MONTH WAS 0.20 INCHES BELOW NORMAL IN ROCHESTER. SNOWFALL FOR ROCHESTER WAS 5.8 INCHES BELOW NORMAL. TEMPERATURES STARTED BELOW NORMAL FOR ALL BUT TWO OF THE FIRST NINE DAYS. ON FEBRUARY 10TH, A WARMING TREND STARTED THAT SET THE PATTERN FOR THE REMAINDER OF THE MONTH. BETWEEN FEBRUARY 10TH AND 28TH ONLY TWO DAYS WERE BELOW NORMAL, THIS OCCURING ON FEBRUARY 13TH AND ALSO ON FEBRUARY 17TH WHEN THE TEMPERATURE FAILED TO REACH ABOVE FREEZING FOR THE LAST TIME THIS MONTH. THE WARMTH PEAKED ON FEBRUARY 20TH AND 21ST, WHEN THE ROCHESTER AIRPORT REACHED HIGHS OF 71F AND 67F RESPECTIVELY. ON FEBRUARY 20TH, THE HIGH TEMPERATURE OF 71F DEGREES SET A NEW RECORD HIGH FOR THE DAY, AND THE LOW TEMPERATURE OF 54F DEGREES SET A RECORD WARM MINIMUM TEMPERATURE FOR NOT ONLY THE DATE, BUT FOR THE ENTIRE PERIOD OF RECORD FOR FEBRUARY. OLD RECORDS FOR THIS DAY WERE PREVIOUSLY SET IN 1994 WITH AN OLD RECORD HIGH OF 62 DEGREES, AND IN 1930 WITH AN OLD RECORD WARM MINIMUM OF 49 DEGREES. ON FEBRUARY 28TH THE HIGH TEMPERATURE FOR THE DAY REACHED 64 DEGREES, BREAKING THE PREVIOUS RECORD OF 63 SET IN 1954. THE AVERAGE TEMPERATURE AT THE ROCHESTER AIRPORT FOR THE MONTH OF FEBRUARY WAS 33.6 DEGREES WHICH IS 7.2 DEGREES ABOVE THE NORMAL OF 26.4 DEGREES. THIS AVERAGE TEMPERATURE FOR FEBRUARY 2018 RANKS AS THE SECOND WARMEST FEBRUARY ON RECORD FOR THE ROCHESTER CLIMATE LOCATION. THE MAJORITY OF THE SNOW THIS MONTH FELL FROM THREE STORM SYSTEMS ON FOUR SEPARATE DAYS. FEBRUARY 6TH AND 7TH RECEIVED A TOTAL OF 5.1 INCHES AT THE ROCHESTER AIRPORT, FROM A QUICK MOVING SYSTEM ON THE 6TH AND A LARGER SYSTEM MOVING TO THE EAST OF THE AREA ON THE 7TH. ON FEBRUARY 9TH AND 10TH A WEAK STORM SYSTEM BLANKETED THE REGION WITH A WIDESPREAD 4 TO 10 INCHES OVER THIS TWO-DAY PERIOD, INCLUDING 6.3 INCHES OF SNOWFALL AT THE AIRPORT. IN TOTAL THESE FOUR DAYS PROVIDED JUST UNDER THREE QUARTERS OF THE MONTHS SNOWFALL ACCUMULATION AT ROCHESTER(72.6%). MEASURABLE SNOWFALL, MUCH LIKE THE COLDER TEMPERATURES MOSTLY OCCURRED IN THE FIRST 10 DAYS OF THE MONTH, WHERE 14.9 OUT OF THE 15.7 INCHES OF SNOW FELL AND ONLY 0.8 INCHES FELL AFTER FEBRUARY 10TH. FOR THE MONTH OF FEBRUARY THE TOTAL SNOWFALL FOR ROCHESTER WAS 15.7 INCHES, WHICH IS 5.8 INCHES BELOW THE NORMAL OF 21.5 INCHES. PRECIPITATION FOR THE MONTH WAS FAIRLY EVENLY DISPERSED WITH ALL BUT THREE DAYS HAVING EITHER RAIN OR SNOW. THE FIRST 13 DAYS OF THE MONTH SAW AT LEAST A TRACE OR MORE OF LIQUID EQUIVALENT PRECIPITATION. ON FEBRUARY 19TH AND 20TH, A WARM FRONT CROSSED THE REGION BRINGING RAINFALL WITH IT. DURING THESE TWO DAYS ROCHESTER RECEIVED 0.59 INCHES OF RAINFALL. ON FEBRUARY 25TH A FRONTAL SYSTEM EXTENDING SOUTH FROM AN AREA OF LOW PRESSURE BROUGHT A BATCH OF RAIN THROUGH WESTERN NEW YORK RESULTING IN 0.29 INCHES OF RAINFALL FOR THE DAY IN ROCHESTER. FOR THE MONTH OF FEBRUARY THE TOTAL LIQUID EQUIVALENT PRECIPITATION FOR ROCHESTER WAS 2.15 INCHES, WHICH IS 0.20 INCHES ABOVE THE NORMAL OF 1.95 INCHES. LAKE ONTARIO HAD A MINIMUM TEMPERATURE OF 34 AND A MAXIMUM TEMPERATURE OF 38. && WELCH $$

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