Climatological Report (Monthly)
Issued by NWS Caribou, ME

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269 CXUS51 KCAR 012320 CLMCAR CLIMATE REPORT NATIONAL WEATHER SERVICE CARIBOU, ME 717 PM EDT SUN APR 1 2018 ................................... ...THE CARIBOU ME CLIMATE SUMMARY FOR THE MONTH OF MARCH 2018... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1939 TO 2018 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 48 03/29 MM MM 45 03/31 03/20 LOWEST 2 03/17 MM MM -11 03/11 AVG. MAXIMUM 36.0 33.9 2.1 29.4 AVG. MINIMUM 21.4 15.2 6.2 10.8 MEAN 28.7 24.5 4.2 20.1 DAYS MAX >= 90 0 0.0 0.0 0 DAYS MAX <= 32 9 11.6 -2.6 17 DAYS MIN <= 32 30 29.3 0.7 30 DAYS MIN <= 0 0 4.0 -4.0 4 PRECIPITATION (INCHES) RECORD MAXIMUM 5.27 2008 MINIMUM 0.66 1965 TOTALS 2.70 0.19 DAILY AVG. 0.09 0.08 0.01 0.09 DAYS >= .01 10 12.6 -2.6 10 DAYS >= .10 7 6.1 0.9 8 DAYS >= .50 2 1.5 0.5 1 DAYS >= 1.00 0 0.3 -0.3 0 GREATEST 24 HR. TOTAL 0.64 03/30 TO 03/30 03/14 TO 03/14 03/14 TO 03/14EATHER OBSERVED NORMAL DEPART LAST YEAR`S 03/14 TO 03/14EATHER OBSERVED NORMAL DEPART LAST YEAR`S SNOWFALL (INCHES) RECORDS TOTAL 47.1 1955 TOTALS 26.1 18.3 7.8 23.6 SINCE 7/1 128.4 100.8 27.6 120.2 SNOWDEPTH AVG. 30 16 14 24 DAYS >= 1.0 6 4.5 1.5 6 GREATEST SNOW DEPTH 35 03/16 29 03/29 03/15 24 HR TOTAL 7.9 03/08 TO 03/08 03/14 TO 03/14 03/14 TO 03/14EATHER OBSERVED NORMAL DEPART LAST YEAR`S 03/14 TO 03/14EATHER OBSERVED NORMAL DEPART LAST YEAR`S DEGREE_DAYS HEATING TOTAL 1117 1254 -137 1383 SINCE 7/1 7320 7975 -655 7364 COOLING TOTAL 0 0 0 0 SINCE 1/1 0 0 0 0 ................................................................. WIND (MPH) AVERAGE WIND SPEED 9.3 HIGHEST WIND SPEED/DIRECTION 28/050 DATE 03/14 HIGHEST GUST SPEED/DIRECTION 39/040 DATE 03/14 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.70 NUMBER OF DAYS FAIR 6 NUMBER OF DAYS PC 8 NUMBER OF DAYS CLOUDY 17 AVERAGE RH (PERCENT) 65 WEATHER CONDITIONS. NUMBER OF DAYS WITH 0 1 0 0 6 1 4 HAZE 6 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. --------------------------------------------------------------------- ...NORTHERN AND EASTERN MAINE MARCH CLIMATE NARRATIVE... TEMPERATURES WERE ABOVE AVERAGE THIS PAST MARCH AND RANGED FROM AROUND 1 DEGREE ABOVE AVERAGE ALONG THE COAST TO NEAR 4 DEGREES ABOVE AVERAGE ACROSS FAR NORTHERN MAINE INCLUDING THE SAINT JOHN VALLEY. IT WAS THE 11TH WARMEST MARCH ON RECORD AT CARIBOU. TEMPERATURES WERE ABOVE TO WELL ABOVE AVERAGE THE FIRST HALF OF THE MONTH WITH UNUSUALLY MILD LOW TEMPERATURES. LOW TEMPERATURES RANGED FROM 22 TO 30 DEGREES THE FIRST 15 DAYS OF THE MONTH AT CARIBOU. ABOVE AVERAGE TEMPERATURES WERE OBSERVED EVERY DAY FROM MARCH 1-15 AT CARIBOU, HOULTON, AND MILLINOCKET. AT BANGOR, EVERY DAY WITH THE EXCEPTION OF THE 12TH FEATURED ABOVE AVERAGE TEMPERATURES. THERE WAS A SIGNIFICANT PATTERN CHANGE MID-MONTH AND TEMPERATURES WERE WELL BELOW AVERAGE FROM THE 17TH THROUGH THE 19TH, WITH ALTERNATING SPELLS OF ABOVE AND BELOW AVERAGE TEMPERATURES FROM THE 20TH THROUGH THE END OF THE MONTH. TEMPERATURES DURING THE 2ND HALF OF MARCH ACTUALLY AVERAGED ABOUT 4 DEGREES COOLER THAN DURING THE FIRST HALF OF THE MONTH. AT BANGOR, A LOW TEMPERATURE RECORD FROM 1990 WAS TIED ON THE MORNING OF THE 27TH WHEN THE LOW WAS 9 DEGREES. LIQUID PRECIPITATION (RAIN AND MELTED SNOW) RANGED FROM 50 TO 90 OF AVERAGE ACROSS THE CENTRAL AND DOWNEAST AREAS AND 100 TO 150 PERCENT OF AVERAGE ACROSS THE WESTERN SAINT JOHN VALLEY AND NORTH WOODS. SNOWFALL WAS ABOVE AVERAGE WITH 2 MAJOR SNOWSTORMS. ONE STORM ON MARCH 7-8 PRODUCED WIDESPREAD TOTALS OF 8 TO 14 INCHES WITH LOCALLY HIGHER AMOUNTS NEAR THE KATAHDIN REGION. ANOTHER STORM ON MARCH 13-14 WAS THE BIGGEST OF THE WINTER ACROSS MUCH OF THE DOWNEAST REGION AND CENTRAL HIGHLANDS WITH WIDESPREAD AMOUNTS OF 18 TO 25 INCHES WITH LOCAL AMOUNTS AS HIGH AS 30 INCHES AROUND BANGOR AND CENTRAL PISCATAQUIS COUNTY. AMOUNTS WERE LESS THAN 6 INCHES ACROSS THE EASTERN SAINT JOHN VALLEY. THE MONTHLY TOTAL OF 33 INCHES RANKED AS THE 6TH SNOWIEST MARCH ON RECORD AT BANGOR. THE SNOW PACK AT THE END OF THE MONTH RANGED FROM 18 TO 25 INCHES ACROSS NORTHERN AND CENTRAL AREAS, BUT HAD DECREASED TO JUST A TRACE AT BANGOR. THERE WERE STILL AREAS DOWNEAST THAT HAD FROM 4 TO 10 INCHES OF SNOW ON THE GROUND, AND SOME HIGHER ELEVATIONS ACROSS THE NORTH WOODS LIKELY STILL HAD 3 FEET OR MORE OF SNOW ON THE GROUND, AT CARIBOU, THE MONTH BEGAN WITH 30 INCHES OF SNOW ON THE GROUND AND ENDED WITH 20. THE GREATEST SNOW DEPTH OF 35 INCHES WAS OBSERVED ON THE MORNING OF THE 15TH AND 16TH. AT BANGOR, THE MONTH BEGAN WITH NO SNOW ON THE GROUND AND ENDED WITH A TRACE. THE GREATEST SNOW DEPTH OF 30 INCHES WAS OBSERVED ON THE MORNING OF THE 15TH. THE OUTLOOK FOR APRIL FROM THE CLIMATE PREDICTION CENTER CALLS FOR AN INCREASED LIKELIHOOD OF BELOW AVERAGE TEMPERATURES, AND AN INCREASED LIKELIHOOD OF ABOVE AVERAGE PRECIPITATION. DURING THE MONTH OF APRIL AVERAGE TEMPERATURES UNDERGO THE LARGEST RISE OF ANY MONTH OF THE YEAR. THE AVERAGE HIGH TEMPERATURE AT CARIBOU CLIMBS FROM 40 DEGREES AT THE START OF THE MONTH TO 55 DEGREES BY THE END OF THE MONTH. THE AVERAGE LOWS RISE FROM 22 TO 35 DEGREES. THE AVERAGE MONTHLY SNOWFALL IS 7.4 INCHES. AT BANGOR, THE AVERAGE HIGH RISES FROM 46 TO 59 WHILE THE AVERAGE LOWS RISE FROM 27 TO 37 DEGREES. ON AVERAGE, THERE IS 3.7 INCHES OF SNOW DURING THE MONTH OF APRIL. THERE IS AN INCREASE OF 1 HOUR AND 33 MINUTES OF DAYLIGHT AT CARIBOU DURING THE MONTH. $$ CB/VJN

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