Climatological Report (Monthly)
Issued by NWS Caribou, ME

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000 CXUS51 KCAR 020732 CLMCAR CLIMATE REPORT NATIONAL WEATHER SERVICE CARIBOU, ME 327 AM EDT SUN AUG 2 2015 ................................... ...THE CARIBOU ME CLIMATE SUMMARY FOR THE MONTH OF JULY 2015... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1939 TO 2015 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 95 07/20/1991 07/19/1991 07/25/1989 LOW 36 07/07/1969 HIGHEST 85 07/30 MM MM 91 07/02 LOWEST 45 07/17 MM MM 47 07/06 AVG. MAXIMUM 74.7 76.0 -1.3 78.2 AVG. MINIMUM 54.2 55.2 -1.0 58.0 MEAN 64.5 65.6 -1.1 68.1 DAYS MAX >= 90 0 0.5 -0.5 1 DAYS MAX <= 32 0 0.0 0.0 0 DAYS MIN <= 32 0 0.0 0.0 0 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 7.96 2011 MINIMUM 0.16 1947 TOTALS 3.19 -0.89 DAILY AVG. 0.10 0.13 -0.03 0.23 DAYS >= .01 14 14.2 -0.2 17 DAYS >= .10 7 8.6 -1.6 8 DAYS >= .50 3 2.7 0.3 5 DAYS >= 1.00 0 0.8 -0.8 2 GREATEST 24 HR. TOTAL 0.74 07/20 TO 07/21 07/04 TO 07/05 07/31 TO 07/31 07/31 TO 07/31 SNOWFALL (INCHES) RECORDS TOTAL 0.0 MM TOTALS 0.0 0.0 0.0 0.0 SINCE 7/1 0.0 0.0 0.0 0.0 SNOWDEPTH AVG. 0 MM MM 0 DAYS >= 1.0 0 0.0 0.0 0 GREATEST SNOW DEPTH 0 MM 0 MM 24 HR TOTAL 0.0 07/31 TO 07/31 07/31 TO 07/31 07/31 TO 07/31 07/31 TO 07/31 DEGREE_DAYS HEATING TOTAL 65 58 7 24 SINCE 7/1 65 58 7 24 COOLING TOTAL 56 77 -21 130 SINCE 1/1 83 116 -33 169 .................................................. WIND (MPH) AVERAGE WIND SPEED 6.1 HIGHEST WIND SPEED/DIRECTION 22/250 DATE 07/02 HIGHEST GUST SPEED/DIRECTION 31/250 DATE 07/02 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.40 NUMBER OF DAYS FAIR 15 NUMBER OF DAYS PC 8 NUMBER OF DAYS CLOUDY 8 AVERAGE RH (PERCENT) 72 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 MIXED PRECIP 0 HEAVY RAIN 4 RAIN 8 LIGHT RAIN 18 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 21 FOG W/VIS <= 1/4 MILE 2 HAZE 3 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. -------------------------------------------------------------------------------------- ...NORTHERN AND EASTERN MAINE MONTHLY AREA CLIMATE NARRATIVE... JULY 2015 FEATURED BELOW NORMAL TEMPERATURES. TEMPERATURES RANGED FROM 1 TO 2 DEGREES BELOW NORMAL. PRECIPITATION WAS HIGHLY VARIABLE AND RANGED FROM WELL BELOW NORMAL ACROSS MOST OF DOWNEAST MAINE TO ABOVE NORMAL ACROSS NORTHWEST MAINE. AT CARIBOU...THE AVERAGE TEMPERATURE OF 64.5 DEGREES WAS 1.1 DEGREES BELOW NORMAL. IT WAS THE COOLEST JULY SINCE 2009 AND RANKED AS THE 25TH COOLEST JULY ON RECORD. AT BANGOR...THE AVERAGE TEMPERATURE OF 67.0 DEGREES WAS 1.5 DEGREES BELOW NORMAL. IT WAS ALSO THE COOLEST JULY SINCE 2009 AND RANKED AS THE 19TH COOLEST JULY ON RECORD. SIX OF THE FIRST 7 MONTHS OF 2015 HAVE FEATURED BELOW NORMAL TEMPERATURES. YEAR TO DATE IT HAS BEEN THE COLDEST YEAR ON RECORD AT BANGOR AND THE 6TH COLDEST AT CARIBOU. TEMPERATURES THIS PAST JULY AT CARIBOU RANGED FROM A LOW OF 45 DEGREES ON THE 17TH TO A HIGH OF 85 DEGREES ON THE 30TH. AT BANGOR...TEMPERATURE RANGED FROM A LOW OF 47 DEGREES ON THE 17TH TO 87 DEGREES ON THE 12TH AND 29TH. THERE WAS AN UNUSUALLY COOL AIR MASS TOWARD THE MIDDLE OF THE MONTH THAT SENT TEMPERATURES DOWN INTO THE 30S IN MANY OF THE NORMALLY COLDER VALLEYS ACROSS NORTHERN MAINE ON THE 16TH AND 17TH. HOULTON HAD BACK TO BACK LOWS IN THE 30S. PRECIPITATION WAS MORE VARIABLE IN NATURE...AND RANGED FROM ONLY 25 TO 50 PERCENT ACROSS MUCH OF DOWNEAST MAINE TO AS MUCH AS 200 PERCENT OF NORMAL ACROSS PARTS OF NORTHWEST MAINE. THERE WAS A LACK OF SEVERE WEATHER THIS PAST JULY WITH NO SEVERE THUNDERSTORM WARNINGS ISSUED UNTIL THE AFTERNOON OF THE 27TH WHEN THUNDERSTORMS KNOCKED DOWN TREES IN ALLAGASH AND SAINT FRANCIS. ON THE 28TH PING PONG SIZED HAIL WAS OBSERVED IN ALTON IN PENOBSCOT COUNTY. AT BANGOR...ONLY 1.16 INCHES OF RAIN WAS OBSERVED...WHICH WAS 2.30 INCHES BELOW NORMAL. IT RANKED AS THE 8TH DRIEST JULY ON RECORD. AT CARIBOU...3.19 INCHES OF RAIN WAS OBSERVED...WHICH WAS 89 HUNDREDTHS (0.89") BELOW NORMAL. THE OUTLOOK FROM THE CLIMATE PREDICTION CENTER FOR THE MONTH OF AUGUST FOR OUR REGION CALLS FOR AN INCREASED LIKELIHOOD OF ABOVE NORMAL TEMPERATURES. THERE ARE NO STRONG CLIMATE SIGNALS THAT WOULD POINT TOWARD AN UNUSUALLY WET OR DRY MONTH. THE AVERAGE TEMPERATURES BEGIN TO SLOWLY DROP DURING THE MONTH OF AUGUST. AT CARIBOU (BANGOR)...THE AVERAGE HIGH FALLS FROM 76 (80) TO 71 (75). THE AVERAGE LOW TEMPERATURES AT CARIBOU (BANGOR) FALL FROM 55 (58) TO 50 (53). ONE AND ONE HALF HOURS OF DAYLIGHT IS LOST DURING THE MONTH OF AUGUST. $$ CB/VJN

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