Climatological Report (Seasonal)
Issued by NWS Caribou, ME
Issued by NWS Caribou, ME
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718 CXUS51 KCAR 042309 CLSCAR CLIMATE REPORT NATIONAL WEATHER SERVICE CARIBOU ME 708 PM EDT FRI JUN 04 2021 ................................... ...THE CARIBOU ME CLIMATE SUMMARY FOR THE SEASON, FROM 3/1/2021 TO 5/31/2021... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1939 TO 2021 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 96 05/22/1977 LOW -28 03/02/2001 HIGHEST 86 05/26 MM MM 91 05/28 LOWEST -4 03/02 MM MM -7 03/01 AVG. MAXIMUM 52.2 48.3 3.9 48.4 AVG. MINIMUM 29.5 28.8 0.7 27.5 MEAN 40.9 38.6 2.3 37.9 DAYS MAX >= 90 0 0.2 -0.2 MM DAYS MAX <= 32 13 14.1 -1.1 MM DAYS MIN <= 32 43 53.7 -10.7 MM DAYS MIN <= 0 6 4.2 1.8 MM PRECIPITATION (INCHES) RECORD MAXIMUM 14.29 2005 MINIMUM 4.11 1965 TOTALS 9.45 9.22 0.23 7.91 DAILY AVG. 0.10 0.10 -0.00 0.09 DAYS >= .01 35 40.3 -5.3 MM DAYS >= .10 23 22.6 0.4 MM DAYS >= .50 5 5.9 -0.9 MM DAYS >= 1.00 0 0.8 -0.8 MM GREATEST 24 HR. TOTAL 1.02 0MM21 TO 04/22 0.74 SNOWFALL (INCHES) RECORDS TOTAL 65.1 1961 TOTALS 22.5 30.5 -8.0 46.5 SINCE 7/1 107.9 118.2 -10.3 MM SNOWDEPTH AVG. 5 MM DAYS >= 1.0 6 7.9 -1.9 MM GREATEST SNOW DEPTH 26 03/02 MM MM 03/10 24 HR TOTAL MM MM DEGREE DAYS HEATING TOTAL 2219 2438 -219 2510 SINCE 7/1 7754 8901 -1147 MM COOLING TOTAL 23 6 17 46 SINCE 1/1 23 6 17 MM ................................................................ WIND (MPH) AVERAGE WIND SPEED 8.4 HIGHEST WIND SPEED/DIRECTION 33/310 DATE 03/02 HIGHEST GUST SPEED/DIRECTION 47/310 DATE 03/02 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.48 NUMBER OF DAYS FAIR 39 NUMBER OF DAYS PC 26 NUMBER OF DAYS CLOUDY 27 AVERAGE RH (PERCENT) 60 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 3 MIXED PRECIP 0 HEAVY RAIN 5 RAIN 14 LIGHT RAIN 42 FREEZING RAIN 1 LT FREEZING RAIN 1 HAIL 0 HEAVY SNOW 6 SNOW 8 LIGHT SNOW 20 SLEET 3 FOG 26 FOG W/VIS <= 1/4 MILE 7 HAZE 4 - INDICATES NEGATIVE NUMBERS. * INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. -------------------------------------------------------------------- ...2021 SPRING CLIMATE NARRATIVE FOR NORTHERN AND EASTERN MAINE... METEOROLOGICAL SPRING (MARCH THROUGH MAY) OF 2021 ACROSS NORTHERN AND EASTERN MAINE WAS MUCH WARMER THAN AVERAGE WITH BELOW AVERAGE PRECIPITATION. IT RANKED AS THE 7TH WARMEST SPRING ON RECORD IN CARIBOU WHERE WEATHER RECORDS DATE BACK TO 1939. IN BANGOR, IT WAS ALSO THE 7TH WARMEST SPRING ON RECORD. WEATHER RECORDS IN BANGOR DATE BACK TO 1925. IN MILLINOCKET, WHERE THE PERIOD OF WEATHER RECORDS DATES BACK TO 1903 IT WAS THE 6TH WARMEST SPRING ON RECORD. FINALLY, IN HOULTON IT WAS THE 9TH WARMEST SPRING ON RECORD. WEATHER RECORDS IN HOULTON DATE BACK TO 1948. PRECIPITATION WAS BELOW AVERAGE AND RANGED FROM 50 TO 80 PERCENT OF NORMAL ACROSS THE DOWN EAST REGION AND INTO CENTRAL PORTIONS OF THE AREA, AND FROM 80 TO 100 PERCENT OF NORMAL ACROSS FAR NORTHERN MAINE. IN MARCH, TEMPERATURES RANGED FROM 2 TO 3 DEGREES ABOVE AVERAGE ACROSS THE REGION. THE BIG WEATHER STORY WAS A PRONOUNCED WARM UP MARCH 20TH THROUGH THE 25TH THAT BROUGHT HIGHS IN THE 50S AND 60S AND MELTED OUT MOST OF THE WINTER SNOW PACK. PRECIPITATION WAS BELOW AVERAGE, EXCEPT NEAR AVERAGE IN THE SAINT JOHN VALLEY. SNOWFALL WAS BELOW AVERAGE. A STORM ON MARCH 2ND BROUGHT SIGNIFICANT BLOWING AND DRIFTING SNOW TO PORTION OF AROOSTOOK COUNTY AND CLOSED MANY ROADS. APRIL ALSO FEATURED ABOVE AVERAGE TEMPERATURES WHICH RANGED FROM 3 TO 5 DEGREES ABOVE AVERAGE. ALL CLIMATE STATIONS FINISHED WITH A TOP 5 WARMEST APRIL ON RECORD. PRECIPITATION WAS CLOSER TO AVERAGE AND RANGED FROM 80 TO 120 PERCENT OF NORMAL. SNOWFALL WAS BELOW AVERAGE DOWN EAST, BUT NEAR TO EVEN A BIT ABOVE AVERAGE ACROSS CENTRAL AND NORTHERN PORTIONS OF THE REGION. THERE WAS AN EARLY BREAK-UP ON AREA RIVERS WITH LITTLE TO NO SIGNIFICANT ICE JAMS. MAY 2021 FINISHED WITH NEAR TEMPERATURES. PRECIPITATION VARIED FROM AS LOW AS 60 PERCENT OF NORMAL DOWN EAST AND ACROSS THE LOWER PENOBSCOT VALLEY TO 110 PERCENT OF NORMAL ACROSS THE FAR NORTH AND ALONG THE EASTERN MAINE/NEW BRUNSWICK BORDER FROM DANFORTH NORTH. THE ONLY SNOW WAS OBSERVED ON THE 5TH FROM HOULTON NORTH, BUT WITH NO ACCUMULATION. LATE SEASON FROSTS AND FREEZES AFFECTED THE AREA LATE IN THE MONTH WITH A FEW NIGHTS WITH BELOW FREEZING TEMPERATURES IN MANY OF THE NORTHERN VALLEYS. $$ CB/VJN