Climatological Report (Seasonal)
Issued by NWS Caribou, ME
Issued by NWS Caribou, ME
000 CXUS51 KCAR 031952 CCA CLSBGR CLIMATE REPORT ...CORRECTED NATIONAL WEATHER SERVICE CARIBOU ME 352 PM EDT SUN SEP 3 2023 ................................... ...THE BANGOR ME CLIMATE SUMMARY FOR THE SEASON, FROM 6/1/2023 TO 8/31/2023... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1925 TO 2023 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 104 08/19/1935 LOW 29 06/03/1939 HIGHEST 93 06/01 MM MM 93 08/07 LOWEST 42 06/03 MM MM 40 06/21 06/04 AVG. MAXIMUM 76.4 78.2 -1.8 79.6 AVG. MINIMUM 58.3 56.1 2.2 57.2 MEAN 67.3 67.1 0.2 68.4 DAYS MAX >= 90 3 5.4 -2.4 7 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 17.07 2006 MINIMUM 7.78 2016 TOTALS 16.04 10.09 5.95 8.25 DAILY AVG. 0.17 0.11 0.06 0.09 DAYS >= .01 44 32.9 11.1 32 DAYS >= .10 28 19.8 8.2 19 DAYS >= .50 9 7.0 2.0 3 DAYS >= 1.00 4 2.2 1.8 3 GREATEST 24 HR. TOTAL 3.61 0MM07 TO 08/08 2.13 SNOWFALL (INCHES) RECORDS TOTAL T 2017 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 0.0 MM DEGREE DAYS HEATING TOTAL 146 140 6 106 SINCE 7/1 21 38 -17 MM COOLING TOTAL 387 338 49 443 SINCE 1/1 394 346 48 MM ................................................................ WIND (MPH) AVERAGE WIND SPEED 6.6 HIGHEST WIND SPEED/DIRECTION 26/340 DATE 08/31 HIGHEST GUST SPEED/DIRECTION 39/320 DATE 08/31 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.70 NUMBER OF DAYS FAIR 11 NUMBER OF DAYS PC 33 NUMBER OF DAYS CLOUDY 48 AVERAGE RH (PERCENT) 79 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 11 MIXED PRECIP 0 HEAVY RAIN 14 RAIN 27 LIGHT RAIN 54 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 76 FOG W/VIS <= 1/4 MILE 14 HAZE 4 - INDICATES NEGATIVE NUMBERS. * INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. && ...NORTHERN/EASTERN MAINE SUMMER 2023 CLIMATE MONTHLY SUMMARY... METEOROLOGICAL SUMMER (JUNE THROUGH AUGUST) FINISHED WITH ABOVE AVERAGE TEMPERATURES AND ABOVE AVERAGE PRECIPITATION. TEMPERATURES FOR THE 3-MONTH PERIOD AVERAGED FROM 1 TO 2 DEGREES ABOVE THE 30-YEAR AVERAGE, EXCEPT ALONG THE COAST WHERE TEMPERATURES WERE CLOSE TO THE 1991-2020 AVERAGE. PRECIPITATION WAS ABOVE TO WELL ABOVE AVERAGE AND RANGED FROM 125 TO 200 PERCENT OF NORMAL. THE GREAT DEPARTURES FROM AVERAGE WERE IN PARTS OF COASTAL WASHINGTON COUNTY AS WELL AS PORTIONS OF THE CENTRAL HIGHLANDS AS WELL AS SOUTHWEST PENOBSCOT COUNTY. IN CARIBOU IT TIED WITH 1990 AS THE 10TH WARMEST SUMMER ON RECORD. IN HOULTON IT WAS THE 13TH WARMEST ON RECORD. MILLINOCKET AND BANGOR BOTH ENDED UP WITH THE 30TH WARMEST SUMMER ON RECORD WITH BANGOR IN A TIE FOR 30TH PLACE WITH 2012. IN CARIBOU IS WAS THE 12TH WETTEST SUMMER ON RECORD WITH 14.59 INCHES OF RAIN. IN HOULTON IT TIED WITH 1977 AS THE 11TH WETTEST ON RECORD WITH 15.13 INCHES. MILLINOCKET WHICH HAS A MUCH LONGER PERIOD OF RECORD DATING BACK TO 1903 OBSERVED THEIR 5TH WETTEST SUMMER ON RECORD WITH 18.22 INCHES OF RAIN. FINALLY IN BANGOR WAS THE 10TH WETTEST SUMMER ON RECORD WITH 13.89 INCHES OF RAIN. TOTAL EVAPORATION FOR THE SUMMER AS MEASURED BY THE CARIBOU WEATHER STATION EVAPORATION PAN WAS 12.24 INCHES, MEANING THAT SUMMER RAINFALL AT MOST LOCATIONS IN THE REGION WELL EXCEEDED THIS AMOUNT, WITH PLENTY OF EXCESS RAINFALL CONTRIBUTING TO HIGHER STREAM AND RIVER LEVELS ACROSS THE REGION AS A WHOLE COMPARED TO RECENT PAST SUMMERS. JUNE 2023 WILL BE MOSTLY REMEMBERED FOR CLOUDY, COOL, AND RAINY CONDITIONS FOR NORTHERN/EASTERN MAINE. AT CARIBOU, THE 7 DAY PERIOD FROM THE 3RD THROUGH THE 9TH WAS THE LONGEST STRETCH OF CONSECUTIVE SUB-60 DEGREE HIGH TEMPS RECORDED IN JUNE. ANOTHER INTERESTING FEATURE OF THIS MONTH WAS THE LACK OF SEVERE WEATHER WITH NO REPORTS OF HAIL SIZE EQUAL OR GREATER THAN 1 INCH DIAMETER OR WIND GUSTS (OR EQUIVALENT DAMAGE) EQUAL OR GREATER THAN 58 MPH, MARKING ONLY THE 3RD JUNE OF THIS OCCURRING ALONG WITH 2014 AND 2019. JULY 2023 WILL BE REMEMBERED FOR VERY WARM AND HUMID CONDITIONS FOR NORTHERN/EASTERN MAINE WITH NEAR TO ABOVE AVERAGE RAINFALL. IN CARIBOU IT WAS THE ALL-TIME WARMEST MONTH ON RECORD SINCE WEATHER RECORD BEGAN IN 1939. IN HOULTON AND MILLINOCKET IT WAS THE 2ND WARMEST JULY ON RECORD, AND IN BANGOR IT WAS THE 4TH WARMEST ON RECORD. A PERSISTENT SOUTH TO SOUTHWEST FLOW MADE FOR A FEW HUMID MONTH AND VERY WARM OVERNIGHT LOWS WERE PRIMARILY RESPONSIBLE FOR THE RECORD TO NEAR RECORD WARMTH. THERE WAS A CONTINUED LACK OF SEVERE WEATHER WITH ONLY A HANDFUL OF REPORTS ALL MONTH OF TREES DOWN DUE TO STRONG WIND ASSOCIATED WITH THUNDERSTORMS. AUGUST 2023 WILL BE REMEMBERED FOR COOLER THAN AVERAGE TEMPERATURES AND WELL ABOVE AVERAGE RAINFALL. IN CARIBOU, THERE WERE NO 80 DEGREE DAYS THE ENTIRE MONTH. THE ONLY OTHER TIME THIS HAS OCCURRED SINCE WEATHER RECORDS BEGAN IN 1939 WAS BACK IN 1972. RAINFALL ACROSS THE REGION THIS PAST AUGUST WAS WELL ABOVE AVERAGE AND RANGED FROM 150 TO 200 PERCENT OF NORMAL, AND WAS SPREAD OUT FAIRLY EVENLY ACROSS THE MONTH. AUGUST HAD THE MOST REPORTS OF SEVERE THUNDERSTORMS OF ANY MONTH THIS SUMMER. ON AUGUST 13TH THERE WERE SEVERAL SEVERE THUNDERSTORMS THAT KNOCKED DOWN TREES AND PRODUCED LARGE HAIL IN PORTIONS OF AROOSTOOK, PISCATAQUIS, AND PENOBSCOT COUNTIES. THE OUTLOOK FOR FALL (SEPTEMBER-NOVEMBER) 2023 IS CALLING FOR GREATER ODDS OF ABOVE NORMAL TEMPS AND EQUAL ODDS OF BELOW, NEAR NORMAL, OR ABOVE NORMAL PRECIPITATION. $$ VJN/CB