245  
CXUS51 KCAR 050701  
CLSBGR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CARIBOU ME  
301 AM EDT THU JUN 05 2025  
   
...............................
 
 
...THE BANGOR ME CLIMATE SUMMARY FOR THE SEASON, FROM  
3/1/2025 TO 5/31/2025...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1925 TO 2025  
 
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S  
VALUE DATE(S) VALUE FROM VALUE DATE(S)  
NORMAL    
............................................................
 
 
TEMPERATURE (F)  
RECORD  
HIGH 96 05/22/1992  
LOW -16 03/02/2001  
HIGHEST 83 05/28 MM MM 86 05/22  
LOWEST 3 03/03 MM MM 7 03/01  
AVG. MAXIMUM 53.4 53.0 0.4 55.4  
AVG. MINIMUM 34.7 32.3 2.4 35.3  
MEAN 44.0 42.6 1.4 45.4  
DAYS MAX >= 90 0 0.3 -0.3 0  
DAYS MAX <= 32 3 6.2 -3.2 3  
DAYS MIN <= 32 36 44.9 -8.9 39  
DAYS MIN <= 0 0 1.8 -1.8 0  
 
PRECIPITATION (INCHES)  
RECORD  
MAXIMUM 15.31 2024  
MINIMUM 6.56 2023  
TOTALS 15.51 10.17 5.34 15.31  
DAILY AVG. 0.17 0.11 0.06 0.17  
DAYS >= .01 45 35.3 9.7 37  
DAYS >= .10 31 22.4 8.6 28  
DAYS >= .50 11 6.1 4.9 9  
DAYS >= 1.00 4 1.8 2.2 5  
GREATEST  
24 HR. TOTAL 1.54 0MM26 TO 04/27 1.74  
 
SNOWFALL (INCHES)  
RECORDS  
TOTAL MM 2024  
TOTALS 8.7 18.9 -10.2 18.5  
SINCE 7/1 57.8 74.6 -16.8 MM  
SNOWDEPTH AVG. 1 1  
DAYS >= 1.0 3 5.0 -2.0 2  
GREATEST  
SNOW DEPTH 12 03/01 8 04/05  
24 HR TOTAL MM MM 9.5  
 
DEGREE DAYS  
HEATING TOTAL 1907 2066 -159 1791  
SINCE 7/1 7048 7527 -479 MM  
COOLING TOTAL 2 8 -6 10  
SINCE 1/1 2 7 -5 MM    
............................................................
 
 
WIND (MPH)  
AVERAGE WIND SPEED 8.5  
HIGHEST WIND SPEED/DIRECTION 180/023 DATE 04/29  
HIGHEST GUST SPEED/DIRECTION 180/034 DATE 04/29  
 
SKY COVER  
POSSIBLE SUNSHINE (PERCENT) MM  
AVERAGE SKY COVER 0.70  
NUMBER OF DAYS FAIR 12  
NUMBER OF DAYS PC 31  
NUMBER OF DAYS CLOUDY 47  
 
AVERAGE RH (PERCENT) 70  
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
THUNDERSTORM 0 MIXED PRECIP 1  
HEAVY RAIN 6 RAIN 19  
LIGHT RAIN 51 FREEZING RAIN 0  
LT FREEZING RAIN 3 HAIL 0  
HEAVY SNOW 1 SNOW 4  
LIGHT SNOW 16 SLEET 5  
FOG 55 FOG W/VIS <= 1/4 MILE 15  
HAZE 3  
 
- INDICATES NEGATIVE NUMBERS.  
* INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
   
............................................................
 
 
   
..NORTHERN AND EASTERN MAINE SPRING 2025 CLIMATE NARRATIVE
 
 
METEOROLOGICAL SPRING (MARCH THROUGH MAY) FINISHED WITH TEMPERATURES  
RANGING FROM 1.0 TO 2.5 DEGREES (F) ABOVE THE 1991-2020 AVERAGES  
ACROSS NORTHERN AND EASTERN MAINE. MARCH FEATURED WELL ABOVE NORMAL  
TEMPERATURES. APRIL AND MAY SAW TEMPERATURES NEAR TO SOMEWHAT ABOVE  
NORMAL. NO MAJOR CLIMATE SITE FINISHED IN THE TOP 10 WARMEST SPRINGS  
ON RECORD OR FOR ANY INDIVIDUAL MONTH FROM MARCH TO MAY.  
 
PRECIPITATION (RAIN AND MELTED SNOWFALL) RANGED FROM 130 TO 170  
PERCENT OF NORMAL. CARIBOU SAW 12.97 INCHES OF PRECIPITATION DURING  
METEOROLOGICAL SPRING, THE 3RD MOST ON RECORD. THE WETTEST SPRING ON  
RECORD IN CARIBOU OCCURRED IN 2005 (14.29 INCHES). RECORDS IN  
CARIBOU DATE BACK TO 1939. BANGOR SAW 15.51 INCHES OF PRECIPITATION,  
ALSO THE 3RD MOST ON RECORD. THE WETTEST SPRING ON RECORD IN BANGOR  
OCCURRED IN 1983 (24.07 INCHES). RECORDS IN BANGOR BEGIN IN 1925. IN  
HOULTON, 12.43 INCHES OF PRECIPITATION FELL, THE 5TH MOST ON RECORD.  
THE WETTEST SPRING ON RECORD IN HOULTON OCCURRED IN 2011 (13.89  
INCHES). RECORDS IN HOULTON DATE TO 1948.  
 
SNOWFALL FOR MARCH THROUGH MAY WAS NEAR NORMAL IN NORTHERN AROOSTOOK  
COUNTY, AND BELOW NORMAL FURTHER SOUTH. IN CARIBOU, 31.1 INCHES OF  
SNOW FELL, WHICH IS 0.6 INCHES ABOVE THE 1991-2020 NORMAL. IN  
BANGOR, JUST 8.7 INCHES FELL, WHICH IS 10.2 INCHES BELOW AVERAGE.  
MARCH SAW NEAR NORMAL SNOWFALL IN NORTHERN AROOSTOOK COUNTY, AND  
BELOW NORMAL SNOWFALL ELSEWHERE. APRIL FEATURED NEAR NORMAL SNOWFALL  
FROM MOOSEHEAD LAKE NORTHWARD, AND SUB-AVERAGE SNOWFALL FURTHER  
SOUTH. NO SNOW WAS RECORDED DURING MAY, EXCEPT ON KATAHDIN.  
 
SNOWPACK IN BANGOR AND DOWNEAST MELTED DURING THE FIRST WEEK OF  
MARCH. LOWER ELEVATIONS IN CENTRAL AND NORTHERN AREAS SAW SNOWPACK  
MELT OUT AROUND THE 20TH OF MARCH, 2-3 WEEKS EARLIER THAN NORMAL.  
HIGHER ELEVATIONS LOST ALL SNOWPACK BY THE END OF APRIL.  
 
THE OUTLOOK FROM THE CLIMATE PREDICTION CENTER (CPC) FOR  
METEOROLOGICAL SUMMER 2025 (JUNE-AUGUST) FEATURES AN ELEVATED CHANCE  
OF ABOVE NORMAL TEMPERATURES FOR NORTHERN AND EASTERN MAINE. THE CPC  
OUTLOOK IS TILTED TOWARDS ABOVE NORMAL RAINFALL FOR THE BANGOR  
REGION AND DOWNEAST MAINE. THE CPC OUTLOOK SHOWS NO STRONG CLIMATE  
SIGNALS TOWARDS ABOVE OR BELOW NORMAL RAINFALL FOR NORTHERN MAINE.  

 
 
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