Climatological Report (Monthly)
Issued by NWS Caribou, ME
Issued by NWS Caribou, ME
123 CXUS51 KCAR 012120 CLMCAR CLIMATE REPORT NATIONAL WEATHER SERVICE CARIBOU ME 520 PM EDT SUN SEP 01 2024 ................................... ...THE CARIBOU ME CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2024... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1939 TO 2024 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 95 08/02/1975 08/16/1944 08/14/1944 LOW 34 08/25/2003 08/31/2002 08/30/1982 HIGHEST 90 08/02 MM MM 78 08/10 LOWEST 42 08/30 MM MM 45 08/23 08/28 AVG. MAXIMUM 76.6 75.7 0.9 71.9 AVG. MINIMUM 56.3 54.1 2.2 54.5 MEAN 66.5 64.9 1.6 63.2 DAYS MAX >= 90 1 0.5 0.5 0 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 12.09 1981 MINIMUM 0.93 1957 TOTALS 3.63 0.02 DAILY AVG. 0.12 0.12 0.00 0.21 DAYS >= .01 16 13.0 3.0 13 DAYS >= .10 10 7.5 2.5 9 DAYS >= .50 2 2.5 -0.5 6 DAYS >= 1.00 0 0.6 -0.6 1 GREATEST 24 HR. TOTAL 0.84 08/09 TO 08/10 1.91 08/30 TO 08/30 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 MM SNOWDEPTH AVG. 0 0 DAYS >= 1.0 0 0.0 0.0 0 GREATEST SNOW DEPTH 0 0 MM 24 HR TOTAL MM MM 0.0 DEGREE DAYS HEATING TOTAL 45 71 -26 72 SINCE 7/1 49 113 -64 MM COOLING TOTAL 98 68 30 23 SINCE 1/1 367 207 160 MM ................................................................ WIND (MPH) AVERAGE WIND SPEED 5.7 HIGHEST WIND SPEED/DIRECTION 25/160 DATE 08/09 HIGHEST GUST SPEED/DIRECTION 40/160 DATE 08/09 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.40 NUMBER OF DAYS FAIR 16 NUMBER OF DAYS PC 10 NUMBER OF DAYS CLOUDY 5 AVERAGE RH (PERCENT) 75 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 4 MIXED PRECIP 0 HEAVY RAIN 7 RAIN 9 LIGHT RAIN 21 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 20 FOG W/VIS <= 1/4 MILE 2 HAZE 1 - INDICATES NEGATIVE NUMBERS. * INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. ................................................................ ...AUGUST 2024 CLIMATE NARRATIVE FOR NORTHERN/EASTERN MAINE... TEMPERATURES ACROSS THE REGION RANGED FROM AROUND NORMAL TO 0.5 DEGREES (F) ABOVE THE 30-YEAR 1991-2020 NORMALS NEAR BANGOR AND IN DOWNEAST AREAS. TEMPERATURES WERE AROUND 1 TO 2 DEGREES ABOVE NORMAL FOR THE MONTH IN THE NORTH. IN CARIBOU, IT WAS THE 8TH WARMEST AUGUST SINCE RECRODS BEGAN IN 1939. SEVEN OF THE 10 WARMEST AUGUSTS IN CARIBOU HAVE OCCURED SINCE 2010. ELSEWHERE, TEMPERATURES FOR AUGUST 2024 FELL OUTSIDE THE TOP 10 WARMEST ON RECORD. IN CARIBOU, THERE WERE 9 DAYS IN AUGUST WHERE THE HIGH TEMPERATURES REACHED OR EXCEEDED 80 DEGREES. THIS INCLUDED A HIGH OF 90 DEGREES ON THE 2ND. BAGNOR RECORDED 13 DAYS OF 80 DGREES OR GREATER. THE WARMEST TEMPERATURE THERE WAS 91 DEGREES ON THE 2ND. MILLINOCKET SAW 12 DAYS WITH HIGHS OF AT LEAST 80 DEGREES, WITH A HIGH OF 91 DEGREES ON THE 2ND. HOULTON SAW 10 DAYS REACH AT LEAST 80 DEGREES, BUT NO 90 DEGREE DAYS. THESE NUMBERS ARE NEAR AVERAGE FOR ALL LOCATIONS FOR THE MONTH OF AUGUST. RAINFALL VARIED ACROSS THE REGION IN AUGUST. THE CENTRAL HIGHLANDS AND SOUTHEASTERN AROOSTOOK COUNTY SAW ABOUT 70 PERCENT OF NORMAL RAINFALL. THE CROWN OF MAINE SAW AROUND 100 PERCENT OF NORMAL RAINFALL, WHEREAS BANGOR AND DOWNEAST SAW 110 TO 140 PERCENT OF NORMAL RAINFALL. THE TOTAL MONTHLY EVAPORATION IN CARIBOU WAS 3.27 INCHES, COMPARED TO A MONTHLY RAINFALL TOTAL OF 3.63 INCHES. NOWHERE IN THE REGION WAS IN ANY DROUGHT CATEGORY AT ANY TIME DURING AUGUST. THE MOST SIGNIFICANT RAINFALL EVENT FOR THE BANGOR REGION AND DOWNEAST MAINE CAME ON THE 9TH, WITH THE REMNANTS OF TROPICAL STORM DEBBY. 1.5 TO 2.5 INCHES FELL IN THESE AREAS. IN NORTHERN AREAS, THE MOST SIGNIFICANT RAINFALL EVENT CAME ON THE 19TH AND 20TH. TOTALS RANGED FROM AROUND 1.0 INCH NEAR CARIBOU UPWARDS TO 2.5 INCHES IN THE NORTH WOODS. VERY LITTLE SEVERE WEATHER OCCURED DURING AUGUST. THE CLIMATE PREDICTION CENTER`S OUTLOOK FOR THE MONTH OF SEPTEMBER 2024 INDICATES THAT THE ODDS ARE SLIGHTLY TILTED TOWARD ABOVE AVERAGE TEMPERATURES. THERE ARE NO STRONG SIGNALS THAT WOULD POINT TOWARD ABOVE OR BELOW NORMAL PRECIPITATION. AVERAGE HIGH TEMPERATURES ARE IN THE LOW TO MID 70S AT THE START OF THE MONTH, DROPPING TO THE LOWER TO MID 60S BY THE END OF THE MONTH. AVERAGE LOWS DROP FROM THE LOWER 50S EARLY IN THE MONTH TO THE LOWER 40S BY THE END OF THE MONTH. FROST BECOMES AN INCREASING THREAT DURING THE MONTH OF SEPTEMBER, ESPECIALLY ACROSS NORTHERN VALLEYS IN THE SECOND HALF OF THE MONTH. ALTHOUGH VERY RARE, SNOW HAS BEEN OBSERVED ACROSS FAR NORTHERN PORTIONS OF THE REGION LATE IN THE MONTH. THE CHANCES OF SEVERE THUNDERSTORMS DECREASES RAPIDLY DURING THE MONTH. SEPTEMBER IS THE MONTH WHERE A TROPICAL SYSTEM OR THE REMNANTS OF A TROPICAL SYSTEM IS MOST LIKELY TO AFFECT THE AREA. $$ NC/CB/VJN