Climatological Report (Monthly)
Issued by NWS Buffalo, NY

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000 CXUS51 KBUF 060332 CLMROC CLIMATE REPORT NATIONAL WEATHER SERVICE BUFFALO NY 828 AM EDT TUE APR 1 2014 ................................... ...THE ROCHESTER NY CLIMATE SUMMARY FOR THE MONTH OF MARCH 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 86 03/29/1905 LOW -9 03/06/2014 HIGHEST 57 03/28 64 03/10 LOWEST -9R 03/06 17 03/21 AVG. MAXIMUM 37.0 42.8 -5.8 40.3 AVG. MINIMUM 18.5 25.8 -7.3 26.6 MEAN 27.7 34.3 -6.6 33.5 DAYS MAX >= 90 0 0.0 0.0 0 DAYS MAX <= 32 11 5.5 5.5 8 DAYS MIN <= 32 28 23.2 4.8 27 DAYS MIN <= 0 2 0.1 1.9 0 PRECIPITATION (INCHES) RECORD MAXIMUM 7.02 1873 MINIMUM 0.47 1958 TOTALS 2.36 2.50 -0.14 0.85 DAYS >= .01 15 14 DAYS >= .10 5 2 DAYS >= .50 2 0 DAYS >= 1.00 0 0 GREATEST 24 HR. TOTAL 0.76 03/12 TO 03/12 SNOWFALL (INCHES) RECORDS TOTAL 54.0 1900 TOTALS 29.3 16.3 13.0 11.9 SINCE 7/1 112.4 95.2 17.2 75.8 SNOWDEPTH AVG. 2 3 -1 1 DAYS >= 1.0 5 4.0 1.0 6 GREATEST SNOW DEPTH 16 03/13 4 03/05 03/04 24 HR TOTAL 14.9 MM DEGREE_DAYS HEATING TOTAL 1148 952 196 971 SINCE 7/1 6233 5738 495 5279 COOLING TOTAL 0 0 0 0 SINCE 1/1 0 0 0 0 .................................................... WIND (MPH) AVERAGE WIND SPEED 10.4 HIGHEST WIND SPEED/DIRECTION 38/040 HIGHEST GUST SPEED/DIRECTION 52/030 DATE 03/12 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM NUMBER OF DAYS FAIR 4 NUMBER OF DAYS PC 9 NUMBER OF DAYS CLOUDY 18 AVERAGE RH (PERCENT) 65 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 MIXED PRECIP 0 HEAVY RAIN 0 RAIN 2 LIGHT RAIN 12 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 3 SNOW 6 LIGHT SNOW 19 SLEET 1 FOG 12 FOG W/VIS <= 1/4 MILE 1 HAZE 17 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. && ...CONTINUED COLD AND SNOWY... THE MONTH OF MARCH CONTINUED THIS WINTERS THEME OF SNOW AND ABUNDANT COLD DAYS ACROSS WESTERN AND NORTH CENTRAL NEW YORK. THE OVERALL PATTERN ALOFT OF A RIDGE IN THE WESTERN US AND TROUGH OVER THE EAST PROMOTED A MONTH WHOSE MEAN TEMPERATURE WAS WELL BELOW NORMAL. SEVERAL SYNOPTIC SNOW STORMS...WHICH WHEN COMBINED WITH MINOR LAKE EFFECT SNOW EVENTS...BROUGHT WELL ABOVE NORMAL MARCH SNOW. THE AVERAGE TEMPERATURE THIS MONTH WAS 27.7F WHICH IS TIED FOR THE 14TH COLDEST MONTH OF MARCH ON RECORD. THERE WERE 21 DAYS THIS MONTH THAT AVERAGED BELOW NORMAL...AND ONE NEW RECORD LOW TEMPERATURE SET. ON THE MORNING OF MARCH 6TH THE TEMPERATURE DROPPED TO -9F...BREAKING THE OLD RECORD BY 6 DEGREES FROM 1948. THIS -9F READING IS ALSO THE COLDEST TEMPERATURE EVER RECORDED IN ROCHESTER IN THE MONTH OF MARCH. THE PREVIOUS RECORD WAS -7F SET BACK IN MARCH OF 1872. THERE WERE 6 DAYS THAT RECORDED SINGLE DIGIT OR COLDER LOWS WHICH IS 4 MORE THAN THE NORMAL FOR MARCH. BROADENING TO THE ENTIRE WINTER SEASON THERE WERE 39 DAYS WITH SINGLE DIGIT OR COLDER LOWS WHICH IS THE GREATEST NUMBER OF DAYS WITH SUCH MEASUREMENT SINCE RECORDS MOVED TO THE AIRPORT IN 1939...AND 5TH GREATEST ALL-TIME. THERE WERE TWO DAYS THIS MONTH THAT DROPPED BELOW ZERO...A FEAT THAT HAS ONLY OCCURRED 6 TIMES IN MARCH SINCE 1871. PRECIPITATION FOR THE MONTH OF MARCH AVERAGED JUST BELOW NORMAL WITH 2.36 INCHES RECORDED. THERE WERE 15 DAYS OF MEASURABLE PRECIPITATION WHICH IS ABOUT NORMAL. MUCH OF THE PRECIPITATION RECORDED THIS MONTH FELL AS SNOW WITH THE GREATEST PRECIPITATION AMOUNT OCCURRING ON THE 12TH. SNOWFALL THIS MONTH WAS NEARLY TWICE THAT OF NORMAL...WITH 29.3 INCHES MEASURED. THIS MAKES MARCH 2014 AS 15TH SNOWIEST MARCH ON RECORD. ON THE 12TH 14.9 INCHES OF SNOW FELL...MAKING FOR THE FIRST TIME SINCE 1999 THAT OVER A FOOT OF SNOW WAS MEASURED IN THE MONTH OF MARCH. THIS TOTAL WAS ALSO THE GREATEST CALENDAR DAY SNOW OF THIS WINTER SEASON. A COLD FRONT CROSSED WESTERN NEW YORK LATE ON THE 1ST AND SENT THE REGION BACK INTO GRIP OF WINTER...WITH LIGHT SNOW AND FRIGID TEMPERATURES. HIGHS ON THE 2ND THROUGH 5TH AVERAGED ONLY BETWEEN 13 AND 21 DEGREES...WHICH IS ABOUT 20 DEGREES BELOW NORMAL. TEMPERATURES WOULD REMAIN BELOW THE FIRST WEEK OF THE MONTH. OUR FIRST EARLY TASTE OF SPRING OCCURRED ON THE 10TH AND 11TH. A STALLING AND WEAKENING COLD FRONT...COMBINED WITH THE INCREASING EFFECTS OF DAYTIME HEATING BROUGHT HIGHS INTO THE LOW 50S BY TUESDAY THE 11TH. ON TUESDAY NIGHT AND WEDNESDAY A STRONG LATE WINTER SNOWSTORM DEVELOPED...ONE THAT BROUGHT BLIZZARD CONDITIONS ACROSS WESTERN NEW YORK. THIS SYSTEM DUMPED A FOOT TO FOOT AND A HALF OF SNOW ACROSS WESTERN NEW YORK AND STRONG WINDS BROUGHT FREQUENT WHITEOUT CONDITIONS. BEHIND THIS SYSTEM A TYPICAL ROLLER COASTER OF TEMPERATURES OCCURRED THROUGH THE END OF THE MONTH...THOUGH THE NUMBER OF BELOW NORMAL DAYS OUTWEIGHED THE ABOVE NORMAL DAYS ABOUT 3 TO 1. A STORM SYSTEM ON THE EVENING OF THE 29TH TO THE MORNING OF THE 30TH BROUGHT A HEAVY WET SNOW ACROSS WESTERN NEW YORK. TOTALS...SOMEWHAT HIGHER ACROSS HIGHER TERRAIN AVERAGED 6 TO 10 INCHES ACROSS THE GENESEE VALLEY. SUNSHINE THIS MONTH AVERAGED 54 PERCENT...WHICH IS 8 PERCENT MORE THAN NORMAL. THERE WERE 15 MOSTLY SUNNY DAYS CONTRIBUTING TO THE ABOVE NORMAL SUNSHINE. WINDS WERE GENERALLY TAME THIS MONTH AVERAGING ABOUT ONE MPH LESS THAN NORMAL. TYPICAL ICE ON THE EASTERN PORTION OF LAKE ONTARIO EXPANDED WESTWARD...WITH ICE NOT ONLY ALONG THE SHORELINE BUT ALSO ACROSS PORTIONS OF CENTRAL LAKE ONTARIO NORTH OF ROCHESTER IN EARLY MARCH. IN ALL ANOTHER COLD MONTH WITH FREQUENT SNOWS. && THOMAS $$

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