004  
NOUS41 KCAR 082106  
PNSCAR  
MEZ001>006-010-011-015>017-029>032-090915-  
 
PUBLIC INFORMATION STATEMENT  
NATIONAL WEATHER SERVICE CARIBOU ME  
406 PM EST THU JAN 8 2026  
   
..2025 ANNUAL CLIMATE REVIEW FOR NORTHERN AND EASTERN MAINE
 
 
OVERALL, 2025 WAS A WARMER THAN AVERAGE YEAR, WITH YEARLY AVERAGE  
MAXIMUM, MINIMUM, AND AVERAGE TEMPERATURES BEING ABOVE  
CLIMATOLOGICAL NORMAL ACROSS ALL CLIMATE SITES. PRECIPITATION WAS  
BELOW NORMAL, WITH A PROLONGED DROUGHT PERIOD ONGOING IN MAINE FROM  
THE SUMMER INTO THE WINTER. THIS YEAR DID NOT RANK IN THE TOP 10 FOR  
AVERAGE TEMPERATURES, PRECIPITATION, OR SNOWFALL. DESPITE BEING AN  
ABOVE NORMAL YEAR FOR AVERAGE TEMPERATURES, THIS WAS THE COOLEST  
YEAR FOR ALL FOUR CLIMATE SITES SINCE 2019.  
 
CARIBOU RECEIVED 118.2 INCHES OF SNOWFALL IN THE 2025 CALENDAR YEAR,  
WHICH IS RIGHT AROUND CLIMATOLOGICAL NORMAL. BANGOR ONLY RECEIVED  
60.5 INCHES OF SNOW, WHICH IS ABOUT 14.1 INCHES BELOW THEIR  
CLIMATOLOGICAL NORMAL.  
 
THERE WERE A FEW MAXIMUM TEMPERATURE RECORDS THAT REACHED INTO THE  
TOP 10 CATEGORY FOR CARIBOU, BANGOR, AND MILLINOCKET. FOR CARIBOU,  
THE 3RD WARMEST RECORDED ANNUAL MAXIMUM TEMPERATURE OF 94°F WAS  
REACHED IN AUGUST. THIS YEAR, CARIBOU ALSO HAD THE 6TH  
WARMEST MINIMUM TEMPERATURE OF 68°F. BANGOR RECORDED ITS 4TH HIGHEST  
MAXIMUM TEMPERATURE RECORD OF 98°F IN AUGUST AS WELL. MILLINOCKET  
RECORDED ITS 2ND HIGHEST MAXIMUM TEMPERATURE IN AUGUST AT  
97°F.  
 
IN TERMS OF PRECIPITATION, THIS WAS THE 21ST DRIEST YEAR IN BANGOR,  
RECEIVING 36.08 INCHES OF PRECIPITATION, COMPARED TO THE  
CLIMATOLOGICAL NORMAL 41.71 INCHES. CARIBOU OBSERVED 39.03  
INCHES OF PRECIPITATION, COMPARED TO THE CLIMATOLOGICAL NORMAL OF  
40.7 INCHES.  
 
JANUARY TEMPERATURES WERE SLIGHTLY ABOVE AVERAGE, WITH BELOW AVERAGE  
PRECIPITATION AND SNOWFALL. THERE WAS 17.2 INCHES OF SNOW IN  
CARIBOU, WHICH IS A 7.8 INCH DEVIATION FROM NORMAL. THE MAXIMUM SNOW  
DEPTH FOR CARIBOU WAS ONLY 5 INCHES, BEATING THE PREVIOUS 6  
INCHES RECORDED IN 1992. THERE WAS 10.1 INCHES OF SNOW IN BANGOR,  
WHICH IS ABOUT 8.5 INCH DEVIATION FROM NORMAL. THERE WAS A WINTER  
STORM JANUARY 1ST-3RD, THAT PRODUCED 6-12 INCHES OF SNOW IN THE  
NORTH WOODS. THERE WAS ALSO ANOTHER STORM THAT PRODUCED 6-10 INCHES  
ALONG THE DOWNEAST COAST ON DECEMBER 19TH-20TH. THE BELOW AVERAGE  
SNOWFALL DID NEGATIVELY IMPACT THE WINTER RECREATIONAL SEASON. IN  
TERMS OF DROUGHT, THERE WAS ABNORMALLY DRY (D0) CONDITIONS IN THE  
CENTRAL HIGHLANDS TO SOUTHERN AROOSTOOK COUNTY, NORTHWARDS, ENDING  
AT THE ST. JOHN VALLEY. THERE WAS MODERATE DROUGHT (D1) CONDITIONS  
SOUTHWARDS, INCLUDING THE DOWNEAST COAST. 4 SNOW SQUALL WARNINGS  
WERE ISSUED IN JANUARY.  
 
TEMPERATURES IN FEBRUARY WERE AROUND, TO SLIGHTLY BELOW, AVERAGE.  
THERE WAS ABOVE AVERAGE PRECIPITATION AND SNOWFALL. CARIBOU HAD 35.5  
INCHES OF SNOW, WHICH WAS 10 INCHES ABOVE NORMAL. BANGOR SAW 21.3  
INCHES OF SNOWFALL IN THE MONTH, WHICH IS ABOUT 3.8 INCHES HIGHER  
THAN AVERAGE. DESPITE THIS ABOVE NORMAL PRECIPITATION, DROUGHT  
CONDITIONS FROM JANUARY PERSISTED THROUGHOUT FEBRUARY. TWO  
SIGNIFICANT SNOW SYSTEMS OCCURRED, ONE OF THE 13TH, AND ONE ON THE  
16TH-17TH,WHERE BOTH EVENTS RECORDED OVER 10 INCHES OF SNOW FELL IN  
THE KATAHDIN AREA, AND MIXED WINTRY PRECIP FELL IN BANGOR AND  
DOWNEAST. 3 SNOW SQUALL WARNINGS WERE ISSUED IN FEBRUARY.  
 
IN MARCH, OBSERVED TEMPERATURES WERE ABOVE AVERAGE, WITH ABOVE  
AVERAGE PRECIPITATION. SNOWFALL TOTALS WERE AROUND CLIMATOLOGICAL  
NORMAL IN THE NORTH, AND BELOW NORMAL IN THE SOUTH. CARIBOU REPORTED  
22.4 INCHES OF SNOW, ABOUT 1 INCH ABOVE NORMAL. BANGOR, HOWEVER,  
ONLY REPORTED 7.7 INCHES OF SNOW, WHICH IS 7.5 INCHES BELOW NORMAL.  
THE MOST SIGNIFICANT SNOWFALL EVENT IN THE NORTH OCCURRED FROM THE  
5TH-7TH, WHERE A FEW INCHES OF SNOW FELL IN THE NORTH, TRANSITIONED  
TO RAIN, AND THEN 6 -11 INCHES OF SNOW FELL IN THE CENTRAL HIGHLANDS  
REGION. SIGNIFICANT BLOWING AND DRIFTING SNOW OCCURRED DURING THIS  
EVENT, HEAVILY IMPACTING TRAVEL. THERE WAS ALSO A SIGNIFICANT WARM  
UP PERIOD IN THE MIDDLE OF THE MONTH, RESULTING IN SOME ICE  
JAM FLOODING ALONG THE AROOSTOOK RIVER. SNOWMELT FROM THE WARM UP  
PERIOD NEGATIVELY IMPACTED WINTER RECREATION IN NORTHERN MAINE.  
GREEN UP, OR WHEN SNOW MELTS AND VEGETATION BEGINS TO GROW, OCCURRED  
EARLIER THAN CLIMATOLOGICALLY NORMAL. DROUGHT CONDITIONS IMPROVED  
WITH THE SNOWMELT AND RAIN, HOWEVER, AS CONDITIONS UPGRADED FROM  
MODERATE DROUGHT (D1)/ABNORMALLY DRY CONDITIONS (D0), TO MOSTLY  
ABNORMALLY DRY CONDITIONS (D0)/NO DROUGHT. ONLY COASTAL HANCOCK AND  
WASHINGTON COUNTIES, ALONG WITH MOST OF PISCATAQUIS COUNTY AND  
PORTIONS OF THE NORTH WOODS, HAD ABNORMALLY DRY (D0) CONDITIONS.  
 
TEMPERATURES IN APRIL WERE AROUND, TO SLIGHTLY ABOVE, CLIMATOLOGICAL  
NORMAL, WITH ABOVE NORMAL PRECIPITATION. SNOWFALL TOTALS BEGAN TO  
DWINDLE IN APRIL, AS SPRING BEGAN TO APPROACH THE NORTHEAST REGION.  
CARIBOU REPORTED 8.7 INCHES OF SNOW, WHICH IS 0.4 INCHES ABOVE  
NORMAL. BANGOR, HOWEVER, ONLY RECORDED AN INCH OF SNOW, WHICH IS 2.7  
INCHES BELOW NORMAL. APRIL WAS THE LAST MONTH FOR ACCUMULATING  
SNOWFALL FOR THE 2024-2025 WINTER SEASON. ICE ALONG THE RIVERS WAS  
ALL BROKEN UP AND MOVED OUT BY THE END OF MONTH AS WELL, WITH ONLY A  
FEW LAKES STILL HAVING SOME LEFTOVER ICE. BY THE END OF APRIL, ALL  
OF NORTHERN AND EASTERN MAINE WAS OUT OF DROUGHT  
CONDITIONS.  
 
IN MAY THERE WAS AROUND, TO SLIGHTLY ABOVE, AVERAGE TEMPERATURES,  
AND WARMER THAN AVERAGE MINIMUM TEMPERATURES. FOR THE FIRST TIME  
SINCE 2017, THERE WAS NO RECORDED FREEZE IN BANGOR. THERE WAS ALSO  
SIGNIFICANTLY ABOVE AVERAGE PRECIPITATION. THIS WAS THE 10TH WETTEST  
MAY FOR CARIBOU, RECEIVING 5.04 INCHES OF PRECIPITATION, AND THE 6TH  
WETTEST MAY FOR BANGOR, RECEIVING 5.44 INCHES OF PRECIPITATION.  
THERE WAS 1 SEVERE THUNDERSTORM WARNING ISSUED IN MAY.  
 
THERE WERE AROUND AVERAGE TEMPERATURES RECORDED IN JUNE, AND  
SIGNIFICANTLY BELOW AVERAGE PRECIPITATION FOR NORTHERN AND EASTERN  
MAINE. THERE WAS A SIGNIFICANT HEAT WAVE EVENT ACROSS THE NORTHEAST  
ON JUNE 24TH, BREAKING MULTIPLE DAILY MAXIMUM TEMPERATURE RECORDS  
ACROSS NEW ENGLAND. BANGOR REACHED 98°F, WHICH BROKE THE PREVIOUS  
93°F DAILY RECORD FROM 1995. THIS 98°F ALSO TIED FOR MONTHLY RECORD  
HIGH IN FOR JUNE, WITH 1941. HOULTON TIED WITH THE PREVIOUS  
RECORD FROM 1995 AT 92°F. CARIBOU REACHED 90°F AND MILLINOCKET  
REACHED 94°F, JUST A FEW DEGREES BELOW THEIR PREVIOUS RECORDS  
FROM 1995, AND 1912, RESPECTIVELY. HEAT INDEXES FOR THE DAY  
GENERALLY RANGED FROM 95-106°F DURING THIS EVENT. THERE WERE 7  
SEVERE THUNDERSTORM WARNINGS ISSUED IN JUNE.  
 
IN JULY, ABOVE AVERAGE TEMPERATURES WERE OBSERVED AT ALL CLIMATE  
SITES. THERE WAS NEAR AVERAGE PRECIPITATION IN NORTHERN MAINE, BUT  
SIGNIFICANTLY BELOW AVERAGE PRECIPITATION IN CENTRAL AND  
SOUTHERN MAINE. THIS IS THE 4TH DRIEST JULY ON RECORD FOR BANGOR,  
SINCE 1926. NO DROUGHT WAS RECORDED YET IN JULY. THERE WERE 29  
SEVERE THUNDERSTORM WARNINGS ISSUED IN JULY.  
 
AUGUST RECORDED AROUND, TO SLIGHTLY BELOW, AVERAGE TEMPERATURES FOR  
NORTHERN AND EASTERN MAINE, WITH ABOVE NORMAL MAXIMUM TEMPERATURES.  
THERE WAS A SIGNIFICANT HEAT WAVE THAT OCCURRED AUGUST 10TH-13TH,  
THAT BROKE MULTIPLE DAILY HIGH RECORDS. CARIBOU REACHED 94°F ON THE  
11TH-13TH, BREAKING DAILY HIGH TEMPERATURES FROM 2020, 1944, AND  
2021. MILLINOCKET REACHED 97°F ON AUGUST 11TH, AND 96°F ON THE 12TH,  
BREAKING THE PREVIOUS DAILY HIGH RECORDS IN 1944. IT ALSO RECORDED  
95°F ON THE 13TH, TYING WITH THE PREVIOUS DAILY HIGH TEMPERATURE  
RECORD FROM 1947 AND 2002. THERE WAS BELOW AVERAGE PRECIPITATION IN  
AUGUST AS WELL, LEADING TO DEGRADING DROUGHT CONDITIONS. IT BEGAN AS  
ABNORMALLY DRY (D0) CONDITIONS IN COASTAL HANCOCK AND WASHINGTON  
COUNTIES ON AUGUST 5TH, WHICH QUICKLY EXPANDED THROUGHOUT THE  
MONTH. ABNORMALLY DRY (D0) CONDITIONS WERE EXTENDED UP TO  
SOUTHERN/EASTERN AROOSTOOK, NORTHERN PENOBSCOT, AND NORTH/CENTRAL  
PISCATAQUIS. THERE WAS MODERATE DROUGHT (D1) IN INTERIOR DOWNEAST  
AND SOUTHERN PISCATAQUIS. DOWNEAST DEGRADED TO SEVERE DROUGHT (D2).  
REPORTS OF CROPS DYING BEGAN TO OCCUR IN AUGUST, ESPECIALLY IN  
AROOSTOOK AND WASHINGTON COUNTIES. THERE WERE 4 SEVERE THUNDERSTORM  
WARNINGS ISSUED IN AUGUST.  
 
IN SEPTEMBER, THERE WERE AVERAGE TEMPERATURES THROUGHOUT NORTHERN  
AND EASTERN MAINE. DROUGHT CONDITIONS EXPANDED THROUGHOUT THE  
STATE, WITH SIGNIFICANTLY BELOW AVERAGE PRECIPITATION DEFICITS AT  
ALL CLIMATE SITES. BY THE END OF SEPTEMBER, ABNORMALLY DRY (D0)  
CONDITIONS EXPANDED INTO THE NORTH WOODS AND REMAINED IN NORTHERN  
PISCATAQUIS, PENOBSCOT, SOMERSET AND EASTERN AROOSTOOK. MODERATE  
DROUGHT (D1) CONDITIONS WERE IN SOUTHERN AROOSTOOK, CENTRAL  
PISCATAQUIS AND PENOBSCOT. SEVERE DROUGHT (D2) EXTENDED THROUGH  
CENTRAL MAINE IN THE PENOBSCOT REGION, INTERIOR DOWNEAST, AND  
WASHINGTON COUNTY’S COASTAL AREA. LASTLY, HANCOCK COUNTY’S COASTLINE  
UPGRADED TO EXTREME DROUGHT (D3) CONDITIONS BY THE END OF THE MONTH.  
THERE WERE MANY DRY WELL REPORTS, AS WELL AS SOME LOCATIONS  
OBSERVING TREES LOSE THEIR LEAVES EARLIER THAN NORMAL. NO  
SIGNIFICANT SEVERE WEATHER EVENTS OCCURRED IN SEPTEMBER.  
 
THERE WERE ABOVE CLIMATOLOGICAL NORMAL VALUES FOR DAILY MAXIMUM,  
MINIMUM, AND AVERAGE TEMPERATURES IN OCTOBER. CARIBOU BROKE ITS ALL-  
TIME HIGH TEMPERATURE RECORD FOR THE MONTH OF OCTOBER, 83°F, DURING  
A HEAT EVENT ON OCTOBER 6TH. PRECIPITATION TOTALS FOR NORTHERN AND  
EASTERN MAINE WERE BELOW AVERAGE THROUGHOUT THE MONTH. DROUGHT  
CONDITIONS CONTINUED, AND DETERIORATED, THROUGHOUT THE STATE  
DURING OCTOBER, NEGATIVELY IMPACTING AGRICULTURE AND CONTINUING  
TO DRY UP WELLS. PORTIONS OF NORTHERN SOMERSET, NORTHWESTERN  
AROOSTOOK, CENTRAL AROOSTOOK AND NORTHERN PENOBSCOT, DETERIORATED  
TO MODERATE DROUGHT (D1). CENTRAL AND SOUTHERN AROOSTOOK, NORTHERN  
AND CENTRAL PENOBSCOT, PISCATAQUIS, AND PORTIONS OF NORTHERN  
SOMERSET ALL BECAME, OR MAINTAINED, SEVERE DROUGHT (D2). NO  
SIGNIFICANT SEVERE WEATHER EVENTS OCCURRED IN OCTOBER.  
 
DURING NOVEMBER, THERE WERE BELOW CLIMATOLOGICAL NORMAL VALUES  
RECORDED FOR DAILY MAXIMUM TEMPERATURES, SNOWFALL, AND  
PRECIPITATION. DAILY MINIMUM TEMPERATURES WERE ABOVE NORMAL. DROUGHT  
CONDITIONS PERSISTED, CONTINUING TO DRY UP WELLS THROUGHOUT THE  
STATE. THAT BEING SAID, PORTIONS OF CENTRAL AND DOWNEAST MAINE HAD  
DROUGHT IMPROVEMENT. BY THE END OF THE MONTH, NORTHERN SOMERSET,  
NORTHWESTERN AND CENTRAL AROOSTOOK, NORTHERN PISCATAQUIS, BANGOR  
REGION, AND PORTIONS OF HANCOCK AND WASHINGTON COUNTIES, WERE  
INCLUDED IN SEVERE DROUGHT (D2). OVERALL, DROUGHT CONDITIONS  
DETERIORATED IN THE CROWN OF MAINE, BUT THE REST OF NORTHERN,  
CENTRAL, AND DOWNEAST MAINE IMPROVED. THERE WAS SOME IMPROVEMENT IN  
LAKE, POND, RIVER AND STREAM LEVELS. NO SIGNIFICANT SEVERE WEATHER  
EVENTS OCCURRED IN NOVEMBER.  
 
LASTLY, IN DECEMBER, OBSERVED TEMPERATURES WERE OVERALL BELOW  
CLIMATOLOGICAL NORMAL FOR DAILY MAXIMUM, MINIMUM, AND AVERAGE DAILY  
TEMPERATURES. AROUND, TO SLIGHTLY BELOW, AVERAGE PRECIPITATION FELL  
AT ALL CLIMATE SITES. DROUGHT CONDITIONS PERSISTED IN NORTHERN AND  
CENTRAL MAINE, AS FROST DEPTH CONTINUED TO INCREASE THIS MONTH,  
RESTRICTING ANY MOISTURE TO PENETRATE THE SOIL. PORTIONS OF  
WASHINGTON COUNTY DID HAVE SOME DROUGHT CONDITIONS IMPROVE BY THE  
END OF THE MONTH, AS SNOW/RAINFALL ADDED SOME MOISTURE, RESULTING IN  
THE COUNTY IMPROVING FROM SEVERE DROUGHT (D2) TO MODERATE DROUGHT  
(D1). IN TERMS OF SNOWFALL, HOWEVER, THERE WAS MORE SNOW THAN NORMAL  
AT BANGOR, BUT BELOW NORMAL SNOWFALL FOR CARIBOU. THERE WERE  
MULTIPLE SNOWSTORMS IN DECEMBER THROUGHOUT NORTHERN AND EASTERN  
MAINE AS WELL, ADDING ENOUGH SNOW TO PROVIDE A SNOW PACK DEEP ENOUGH  
TO BEGIN THE SKI AND SNOWMOBILING SEASON, PRIMARILY IN THE NORTH  
AND CENTRAL REGION. ANOTHER SIGNIFICANT WEATHER EVENT THAT OCCURRED  
IN DECEMBER, WAS A HIGH WIND EVENT THAT RESULTED IN MULTIPLE POWER  
OUTAGES, DOWNED TREES, AND ROAD CLOSURES, PRIMARILY IN DOWNEAST  
MAINE. HIGHEST WIND GUSTS WERE IN PENOBSCOT COUNTY, WITH A 67 MPH  
GUSTS RECORDED IN MILLINOCKET. 2 SNOW SQUALL WARNINGS WERE ISSUED IN  
DECEMBER.  
 

 
 
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