Climatological Report (Monthly)
Issued by NWS Caribou, ME

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000 CXUS51 KCAR 010848 CLMCAR CLIMATE REPORT NATIONAL WEATHER SERVICE CARIBOU, ME 446 AM EDT SAT APR 1 2017 ................................... ...THE CARIBOU ME CLIMATE SUMMARY FOR THE MONTH OF MARCH 2017... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1939 TO 2017 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 75 03/21/2012 LOW -28 03/02/2001 HIGHEST 45 03/31 MM MM 47 03/16 03/20 LOWEST -11 03/11 MM MM -8 03/04 AVG. MAXIMUM 29.4 33.9 -4.5 33.2 AVG. MINIMUM 10.8 15.2 -4.4 15.1 MEAN 20.1 24.5 -4.4 24.1 DAYS MAX >= 90 0 0.0 0.0 0 DAYS MAX <= 32 17 11.6 5.4 14 DAYS MIN <= 32 30 29.3 0.7 30 DAYS MIN <= 0 4 4.0 0.0 4 PRECIPITATION (INCHES) RECORD MAXIMUM 5.27 2008 MINIMUM 0.66 1965 TOTALS 2.72 0.21 DAILY AVG. 0.09 0.08 0.01 0.15 DAYS >= .01 10 12.6 -2.6 15 DAYS >= .10 8 6.1 1.9 11 DAYS >= .50 1 1.5 -0.5 4 DAYS >= 1.00 0 0.3 -0.3 0 GREATEST 24 HR. TOTAL 0.57 03/14 TO 03/14 03/28 TO 03/29 03/02 TO 03/02 03/02 TO 03/02 SNOWFALL (INCHES) RECORDS TOTAL 47.1 1955 TOTALS 23.6 18.3 5.3 27.2 SINCE 7/1 120.2 100.8 19.4 87.2 SNOWDEPTH AVG. 24 16 8 11 DAYS >= 1.0 6 4.5 1.5 8 GREATEST SNOW DEPTH 29 03/29 15 03/30 24 HR TOTAL 11.7 03/14 TO 03/14 03/02 TO 03/02 03/02 TO 03/02 03/02 TO 03/02 DEGREE_DAYS HEATING TOTAL 1383 1254 129 1257 SINCE 7/1 7364 7975 -611 6999 COOLING TOTAL 0 0 0 0 SINCE 1/1 0 0 0 0 ................................................... WIND (MPH) AVERAGE WIND SPEED 9.2 HIGHEST WIND SPEED/DIRECTION 31/330 DATE 03/22 HIGHEST GUST SPEED/DIRECTION 59/030 DATE 03/14 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.50 NUMBER OF DAYS FAIR 12 NUMBER OF DAYS PC 11 NUMBER OF DAYS CLOUDY 8 AVERAGE RH (PERCENT) 63 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 MIXED PRECIP 0 HEAVY RAIN 1 RAIN 2 LIGHT RAIN 3 FREEZING RAIN 1 LT FREEZING RAIN 3 HAIL 0 HEAVY SNOW 4 SNOW 8 LIGHT SNOW 14 SLEET 0 FOG 11 FOG W/VIS <= 1/4 MILE 7 HAZE 11 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. ------------------------------------------------------------------------------------------ ...NORTHERN AND EASTERN MAINE MONTHLY CLIMATE NARRATIVE... MARCH 2017 FINISHED WITH BELOW AVERAGE TEMPERATURES, BELOW AVERAGE PRECIPITATION, AND NEAR TO SLIGHTLY ABOVE AVERAGE SNOWFALL. TEMPERATURES RANGED FROM 4 TO 6 DEGREES BELOW AVERAGE. IT RANKED AS THE 16TH COLDEST MARCH AT CARIBOU AND 13TH COLDEST AT BANGOR. LIQUID PRECIPITATION (RAIN AND MELTED SNOW) RANGED FROM 130 TO 200 PERCENT OF NORMAL ACROSS THE SAINT JOHN VALLEY, AND FROM 50 TO 90 PERCENT ACROSS THE DOWNEAST REGION. THE TOTAL MONTHLY SNOWFALL AT CARIBOU OF 23.6 INCHES WAS 5.3 INCHES ABOVE AVERAGE. THE MONTHLY SNOWFALL TOTAL AT BANGOR OF 17 INCHES WAS 6 INCHES ABOVE AVERAGE. A COLD ARCTIC AIR MASS PRODUCED A RECORD LOW MAXIMUM TEMPERATURE AT CARIBOU ON MARCH 11TH. THE HIGH OF 1 BELOW SMASHED THE PREVIOUS RECORD OF 15 DEGREES SET IN 1939. IT MARKED THE LATEST SUB-ZERO MAXIMUM TEMPERATURE ON RECORD AT CARIBOU. RECORD LOW MAXIMUM TEMPERATURE RECORDS WERE ALSO SET THAT DAY AT BANGOR, MILLINOCKET, AND HOULTON. THE HIGH OF 2 DEGREES AT HOULTON WAS THE LOWEST HIGH TEMPERATURE EVER OBSERVED IN MARCH BREAKING THE RECORD OF 3 DEGREES, SET ON MARCH 3, 1950. THE SNOW DEPTH, WHICH TYPICALLY BEGINS TO DECREASE DURING THE 2ND HALF OF MARCH ACTUALLY INCREASED IN SOME SPOTS. ACROSS NORTHERN AREAS THE SNOW DEPTH GENERALLY RANGED FROM 25 TO 35 INCHES DURING THE MONTH. AT BANGOR, THE SNOW DEPTH PEAKED AT 31 INCHES AT MID MONTH, BUT BY THE END OF THE MONTH HAD DECREASED TO ONLY A TRACE BY THE EVENING OF THE 31ST. THE MOST ACTIVE WEATHER OCCURRED AT MID MONTH WHEN A WINTER STORM PRODUCED FROM 8 TO 18 INCHES OF SNOW ACROSS THE AREA WITH THE HIGHEST TOTALS ALONG THE QUEBEC BORDER. THE OFFICIAL OUTLOOK FOR APRIL 2017 FROM THE CLIMATE PREDICTION CENTER CALLS FOR AN INCREASED LIKELIHOOD OF ABOVE AVERAGE TEMPERATURES ACROSS NORTHERN AND EASTERN MAINE. THERE ARE NO STRONG CLIMATE SIGNALS THAT WOULD POINT TOWARD AN UNSUALLY WET (SNOWY) OR DRY MONTH. THE AVERAGE TEMPERATURES UNDERGO THE MOST RAPID RISE OF ANY MONTH OF THE YEAR. THE AVERAGE HIGH AT CARIBOU CLIMBS FROM 40 DEGREES ON THE 1ST TO 56 DEGREES BY THE END OF THE MONTH. THE AVERAGE LOW TEMPERATURE RISES FROM 22 DEGREES ON THE 1ST TO 35 DEGREES AT THE END OF THE MONTH. AT BANGOR, THE AVERAGE HIGH CLIMBS FROM 46 DEGREES TO 59 BY THE END OF THE MONTH. THE AVERAGE LOWS RISE FROM 27 TO 37 DEGREES DURING THE COURSE OF THE MONTH. THERE IS AN INCREASE OF MORE THAN ONE AND ONE HALF HOURS OF AVAILABLE DAYLIGHT DURING THE MONTH OF APRIL. $$ CB/VJN

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