257
CXUS51 KCAR 052157
CLSCAR
CLIMATE REPORT
NATIONAL WEATHER SERVICE CARIBOU ME
448 PM EST FRI DEC 05 2025
...............................
...THE CARIBOU ME CLIMATE SUMMARY FOR THE SEASON, FROM
9/1/2025 TO 11/30/2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1939 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
............................................................
TEMPERATURE (F)
RECORD
HIGH 92 09/01/2010
LOW -8 11/30/1995
HIGHEST 83 10/06 MM MM 86 09/18
LOWEST 16 11/30 MM MM 19 11/14
AVG. MAXIMUM 55.2 53.4 1.8 57.4
AVG. MINIMUM 36.3 35.8 0.5 39.7
MEAN 45.7 44.6 1.1 48.6
DAYS MAX >= 90 0 0.1 -0.1 0
DAYS MAX <= 32 5 7.8 -2.8 0
DAYS MIN <= 32 33 38.2 -5.2 23
DAYS MIN <= 0 0 0.2 -0.2 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 19.03 2008
MINIMUM 4.65 1955
TOTALS 8.13 10.78 -2.65 4.84
DAILY AVG. 0.09 0.12 -0.03 0.05
DAYS >= .01 33 38.4 -5.4 34
DAYS >= .10 17 22.0 -5.0 19
DAYS >= .50 6 7.0 -1.0 1
DAYS >= 1.00 1 2.2 -1.2 0
GREATEST
24 HR. TOTAL 1.44 MM 0.60
SNOWFALL (INCHES)
RECORDS
TOTAL 35.3 1974
TOTALS 11.0 12.2 -1.2 6.6
SINCE 7/1 11.0 12.2 -1.2 MM
SNOWDEPTH AVG. 0 0
DAYS >= 1.0 3 3.4 -0.4 2
GREATEST
SNOW DEPTH 5 11/17 5 11/29
24 HR TOTAL MM MM
DEGREE DAYS
HEATING TOTAL 1736 1877 -141 1505
SINCE 7/1 1851 1991 -140 MM
COOLING TOTAL 7 18 -11 32
SINCE 1/1 259 224 35 MM
............................................................
WIND (MPH)
AVERAGE WIND SPEED 6.0
HIGHEST WIND SPEED/DIRECTION 26/300 DATE 11/01
HIGHEST GUST SPEED/DIRECTION 42/310 DATE 11/01
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.48
NUMBER OF DAYS FAIR 35
NUMBER OF DAYS PC 34
NUMBER OF DAYS CLOUDY 22
AVERAGE RH (PERCENT) 74
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 2 MIXED PRECIP 0
HEAVY RAIN 10 RAIN 15
LIGHT RAIN 36 FREEZING RAIN 0
LT FREEZING RAIN 3 HAIL 2
HEAVY SNOW 0 SNOW 3
LIGHT SNOW 15 SLEET 0
FOG 44 FOG W/VIS <= 1/4 MILE 9
HAZE 2
- INDICATES NEGATIVE NUMBERS.
* INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
............................................................
..NORTHERN AND EASTERN MAINE FALL 2025 CLIMATE NARRATIVE
THE METEOROLOGICAL FALL (SEPTEMBER-NOVEMBER) SEASON WRAPPED UP WITH
GENERALLY ABOVE AVERAGE TEMPERATURES, AND SIGNIFICANTLY BELOW
AVERAGE PRECIPITATION, AT DESIGNATED CLIMATE SITES IN CARIBOU,
HOULTON, MILLINOCKET, AND BANGOR.
AVERAGE TEMPERATURES WERE AROUND NORMAL, WITH A SLIGHT WARM ANOMALY.
CARIBOU WAS 1.0 DEGREE ABOVE NORMAL, WITH A SEASONAL AVERAGE
TEMPERATURE OF 45.7 DEGREES. BANGOR WAS THE WARMEST STATION, WITH
AVERAGE TEMPERATURES BEING 0.6 DEGREES ABOVE NORMAL AT 49.2 DEGREES.
MILLINOCKET RECORDED 1.3 DEGREES ABOVE NORMAL, AT 47.7 DEGREES.
LASTLY, HOULTON WAS ABOUT 1.3 DEGREES ABOVE AVERAGE, WITH A SEASONAL
AVERAGE TEMPERATURE OF 45.8 DEGREES.
MAXIMUM AVERAGE TEMPERATURES WERE NEAR NORMAL, TO SLIGHTLY ABOVE
NORMAL. CARIBOU HAD THE COOLEST MAXIMUM TEMPERATURES, BEING 0.1
DEGREES BELOW NORMAL. BANGOR WAS ABOVE AVERAGE BY 1.4 DEGREES.
MILLIBOCKET RECORDS MAXIMUM HIGH TEMPERATURES 1.8 DEGREES ABOVE
CLIMATOLOGICAL NORMAL. LASTLY, HOULTON WAS 2.3 DEGREES ABOVE NORMAL
FOR MAXIMUM TEMPERATURES THROUGHOUT AUTUMN.
THIS AUTUMN SEASON HAD SOME ABOVE AVERAGE MAXIMUM TEMPERATURES, WITH
SOME MAXIMUM TEMPERATURE RECORDS GETTING BROKEN ON OCTOBER 6TH.
CARIBOU BROKE ITS ALL-TIME HIGH TEMPERATURE RECORD FOR THE MONTH OF
OCTOBER, 83 DEGREES, DURING A HEAT EVENT. DURING THIS SAME EVENT,
MILLINOCKET REACHED 85, AND HOULTON REACHED 84 DEGREES, BOTH OF
WHICH ALSO BROKE PREVIOUS ALL-TIME HIGH MONTHLY RECORDS. BANGOR
RECORDED 84 DEGREES, WHICH WAS THE SECOND HIGHEST TEMPERATURE
RECORD, RIGHT BEHIND A 86 DEGREE RECORD IN 1968. THE PAST 5 YEARS
HAVE BEEN WITHIN THE TOP 10 WARMEST OCTOBERS FOR THESE CLIMATE
SITES, WITH RECORDS DATING BACK TO 1953. THERE WERE NO SIGNIFICANT
WEATHER EVENTS THROUGHOUT SEPTEMBER, OCTOBER, AND NOVEMBER.
THE BIG STORY FOR THE AUTUMN SEASON WAS THE SIGNIFICANTLY BELOW
AVERAGE RAINFALL AND PROLONGED DROUGHT CONDITIONS. THROUGHOUT THE
ENTIRE FALL SEASON, MILLINOCKET GOT THE MOST PRECIPITATION COMPARED
TO THE OTHER CLIMATE SITES, RECEIVING 8.64 INCHES, WHICH IS STILL
ABOUT 3.62 INCHES BELOW CLIMATOLOGICAL NORMAL. BANGOR ONLY RECEIVED
8.27 INCHES OF PRECIPITATION, RESULTING IN A 3.91 DEFICIT FROM
CLIMATOLOGICAL NORMAL. CARIBOU RECEIVED 8.13 INCHES OF
PRECIPITATION, WHICH IS 2.65 INCHES OF PRECIPITATION BELOW NORMAL.
LASTLY, HOULTON GOT 7.47 INCHES OF PRECIPITATION, WHICH IS A 3.58
INCH DEFICIT FROM NORMAL.
AT THE END OF AUGUST/EARLY SEPTEMBER, COASTAL AND CENTRAL MAINE WAS
IN SEVERE DROUGHT (D2). A THIN REGION IN CENTRAL MAINE JUST NORTH OF
THE SEVERE DROUGHT, IN PISCATAQUIS, PENOBSCOT, FAR SOUTHERN
AROOSTOOK, AND FAR NORTHERN WASHINGTON, WAS UNDER MODERATE DROUGHT
(D1) CONDITIONS. THE MAJORITY OF NORTHERN MAINE, INCLUDING CENTRAL
AND PORTIONS OF NORTHERN PISCATAQUIS, NORTHERN PENOBSCOT, AND
SOUTH/EAST AROOSTOOK, WAS ABNORMALLY DRY (D0). WEST AROOSTOOK AND
NORTHERN SOMERSET HAD NO DROUGHT. DROUGHT PEAKED IN OCTOBER, WITH
GENERALLY THE ENTIRE STATE IN SEVERE DROUGHT OR HIGHER, SAVE FOR THE
MODERATE DROUGHT IN THE CROWN OF MAINE AND FAR WESTERN PORTIONS OF
THE NORTH. DOWNEAST AND COASTAL MAINE ROSE AS HIGH AS EXTREME
DROUGHT (D3) THROUGHOUT OCTOBER. CONDITIONS SLOWLY BEGAN TO IMPROVE
IN NOVEMBER, WITH THE SEASON CLOSING OUT WITH PORTIONS OF THE BANGOR
REGION AND SOUTH/CENTRAL HANCOCK COUNTY, WESTERN WASHINGTON COUNTY,
NORTHWESTERN PISCATAQUIS, NORTHERN SOMERSET, AND NORTH/CENTRAL
AROOSTOOK IN SEVERE DROUGHT. EASTERN WASHINGTON, NORTHERN HANCOCK,
NORTH/CENTRAL PENOBSCOT, SOUTH/CENTRAL PISCATAQUIS, AND SOUTHERN
AROOSTOOK IN MODERATE DROUGHT.
BY THE END OF OCTOBER, THIS DROUGHT HAD BECOME THE WORST DROUGHT IN
MAINE HISTORY SINCE 2002. A SIGNIFICANT AMOUNT OF CROPS WERE LOST
DURING THE HARVESTING SEASON. MULTIPLE RECORD LOW RIVER STREAMFALLS
ACROSS NORTHERN AND CENTRAL MAINE, INCLUDING THE ST. JOHN, FISH
RIVER, ST. CROIX, AND MATTAWAMKEAG. MULTIPLE DRY WELL REPORTS
THROUGHOUT NORTHERN AND EASTERN MAINE WERE RECORDED DURING THIS
TIME.
FOR THE NEXT SEASONAL OUTLOOK GIVEN BY THE CLIMATE PREDICTION CENTER
(CPC), LOOKING AT METEOROLOGICAL WINTER (DECEMBER-FEBRUARY), THERE
IS NOT A STRONG SIGNAL FOR ABOVE OR BELOW AVERAGE TEMPERATURES OR
PRECIPITATION. TYPICAL AVERAGE TEMPERATURES FOR METEOROLOGICAL
WINTER IN THESE CLIMATE SITES ARE IN THE TEENS TO 20S, WITH HIGHS
GENERALLY IN THE 20S AND LOWS IN THE LOW-TEENS TO SINGLE DIGITS.
TYPICAL SNOWFALL FOR BANGOR DURING THE WINTER SEASON (SPECIFICALLY
DECEMBER-FEBRUARY) IS ROUGHLY 50 INCHES, AND TYPICAL SNOWFALL FOR
CARIBOU IS ROUGHLY 75 INCHES. CURRENTLY, THERE IS LA NINA ADVISORY
ISSUED BY THE CPC, AND CONDITIONS ARE EXPECTED TO TRANSITION TOWARDS
ENSO-NEUTRAL IN EARLY 2026. AUTUMN WAS GENERALLY INFLUENCED BY
NEGATIVE NORTH ATLANTIC OSCILLATION (NAO) CONDITIONS, AND CURRENT
MODEL PREDICTIONS SHOW THE NAO PHASE BEGINNING TO TRANSITION ON A
POSITIVE TREND OR THE WINTER SEASON.
ASB
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