811
CXUS51 KCAR 031318
CLMCAR
CLIMATE REPORT
NATIONAL WEATHER SERVICE CARIBOU ME
918 AM EDT SUN MAY 03 2026
...............................
..THE CARIBOU ME CLIMATE SUMMARY FOR THE MONTH OF APRIL 2026
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1939 TO 2026
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
............................................................
TEMPERATURE (F)
RECORD
HIGH 86 04/27/1990
LOW -4 04/06/2015
HIGHEST 67 04/27 MM MM 75 04/29
04/28
LOWEST 12 04/08 MM MM 16 04/02
AVG. MAXIMUM 47.4 47.7 -0.3 47.9
AVG. MINIMUM 29.5 29.4 0.1 30.9
MEAN 38.5 38.5 -0.0 39.4
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 3 1.1 1.9 0
DAYS MIN <= 32 19 20.7 -1.7 18
DAYS MIN <= 0 0 0.1 -0.1 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 6.19 2005
MINIMUM 0.54 1967
TOTALS 4.23 1.24
DAILY AVG. 0.14 0.10 0.04 0.13
DAYS >= .01 14 13.1 0.9 18
DAYS >= .10 7 7.5 -0.5 10
DAYS >= .50 4 2.0 2.0 3
DAYS >= 1.00 0 0.2 -0.2 0
GREATEST
24 HR. TOTAL 0.92 04/03 TO 04/03 0.85 04/26 TO 04/26
SNOWFALL (INCHES)
RECORDS
TOTAL 36.4 1982
TOTALS 5.8 8.3 -2.5 8.7
SINCE 7/1 86.4 117.4 -31.0 MM
SNOWDEPTH AVG. 1 0
DAYS >= 1.0 2 2.5 -0.5 3
GREATEST
SNOW DEPTH 5 04/05 5 04/06
04/06
04/07
24 HR TOTAL MM MM
DEGREE DAYS
HEATING TOTAL 788 794 -6 761
SINCE 7/1 8451 8498 -47 MM
COOLING TOTAL 0 0 0 0
SINCE 1/1 0 0 0 MM
............................................................
WIND (MPH)
AVERAGE WIND SPEED 7.9
HIGHEST WIND SPEED/DIRECTION 23/150 DATE 04/05
23/180 04/09
23/170 04/18
HIGHEST GUST SPEED/DIRECTION 36/150 DATE 04/05
36/190 04/09
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.59
NUMBER OF DAYS FAIR 9
NUMBER OF DAYS PC 7
NUMBER OF DAYS CLOUDY 14
AVERAGE RH (PERCENT) 69
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 1 RAIN 6
LIGHT RAIN 15 FREEZING RAIN 0
LT FREEZING RAIN 1 HAIL 0
HEAVY SNOW 0 SNOW 1
LIGHT SNOW 10 SLEET 1
FOG 16 FOG W/VIS <= 1/4 MILE 4
HAZE 0
- INDICATES NEGATIVE NUMBERS.
* INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
............................................................
..APRIL 2026 CLIMATE NARRATIVE FOR NORTHERN/EASTERN MAINE
APRIL TRENDS:
CARIBOU:
- SNOWFALL WAS 2.5 INCHES BELOW NORMAL
- MEAN MAXIMUM TEMPERATURES WERE AROUND NORMAL, MEASURING 47.4F
- MEAN MINIMUM TEMPERATURES WERE AROUND NORMAL, MEASURING 29.5F
- AVERAGE TEMPERATURES WERE AROUND NORMAL, MEASURING 38.5F
- PRECIPITATION WAS 1.24 INCHES ABOVE NORMAL. *THIS WAS THE 9TH WETTEST APRIL ON RECORD FOR CARIBOU. SEASONAL PRECIPITATION AMOUNTS
WERE 4.23 INCHES.
BANGOR:
- SNOWFALL WAS 3.7 INCHES BELOW NORMAL. *MONTHLY SNOWFALL WAS A TRACE. ONLY 1968, 1998, AND 2009 REPORTED NO SNOWFALL DURING
APRIL IN BANGOR.
- MEAN MAXIMUM TEMPERATURES WERE -0.7F BELOW NORMAL
- MEAN MINIMUM TEMPERATURES WERE AROUND NORMAL, MEASURING 32.8F
- AVERAGE TEMPERATURES WERE AROUND NORMAL, MEASURING 42.6F
- PRECIPITATION WAS 0.77 INCHES ABOVE NORMAL
MILLINOCKET:
- MEAN MAXIMUM TEMPERATURES WERE AROUND NORMAL, MEASURING 50.5F
- MEAN MINIMUM TEMPERATURES WERE 2.5F ABOVE NORMAL
- AVERAGE TEMPERATURES WERE 1.1F ABOVE NORMAL
- PRECIPITATION WAS 1.15 INCHES ABOVE NORMAL *THIS WAS THE 10TH WETTEST APRIL ON RECORD FOR MILLINOCKET. SEASONAL PRECIPITATION AMOUNTS
WERE 4.66 INCHES.
HOULTON:
- MEAN MAXIMUM TEMPERATURES WERE AROUND NORMAL, MEASURING 49.5F
- MEAN MINIMUM TEMPERATURES WERE 1.9F ABOVE NORMAL
- AVERAGE TEMPERATURES WERE 1.1F ABOVE NORMAL
- PRECIPITATION WAS 0.80 INCHES ABOVE NORMAL
WEATHER EVENTS:
- THERE WERE A FEW WINTER STORMS IN THE REGION DURING APRIL. THERE WAS 1 WINTER WEATHER WARNING
ON APRIL 2ND INTO APRIL 3RD, FOR NORTHWEST AND EASTERN AROOSTOOK COUNTY. THERE WERE REPORTS OF
UP TO 1-1.5 INCHES OF SLEET IN THESE AREAS. THERE WERE ALSO 2 WINTER WEATHER ADVISORIES AT THE
BEGINNING OF THE MONTH, FOR SOME MIXED PRECIPITATION EVENTS.
-SNOW PACK AT WFO CARIBOU BEGAN AROUND 3 INCHES AT THE START OF THE MONTH, INCREASING TO 6
INCHES ON APRIL 3RD FOLLOWING THE AFOREMENTIONED MIXED PRECIPITATION STORM. AFTER THIS, THE PACK
GRADUALLY DIMINISHED DOWN TO A TRACE BY THE 11TH, AND WAS OFFICIALLY REPORTED TO BE 0 ON THE 17TH.
WINTER RECREATION ENDED IN CENTRAL AND NORTHERN MAINE WITH LACK OF SNOWPACK.
-THE ONGOING DROUGHT IMPROVED SLIGHTLY IN APRIL. APRIL BEGAN WITH SEVERE DROUGHT (D2) IN WESTERN
AROOSTOOK, NORTHERN SOMERSET, NORTHERN PISCATAQUIS, SOUTHERN PENOBSCOT, AND CENTRAL/SOUTHERN
HANCOCK COUNTIES. MODERATE DROUGHT (D1) ELSEWHERE IN NORTHERN AND EASTERN MAINE. BY
MID-APRIL, DROUGHT IMPROVED TO ABNORMALLY DRY (D0) FOR EASTERN AND SOUTHERN AROOSTOOK, AND
NORTHERN PENOBSCOT. IMPROVED TO MODERATE (D1) DROUGHT FOR WESTERN AROOSTOOK, NORTHERN
SOMERSET, PISCATAQUIS, CENTRAL AND MOST OF SOUTHERN PENOBSCOT, HANCOCK, AND WASHINGTON
COUNTIES. FAR WESTERN PENOBSCOT HUNG ON TO SEVERE DROUGHT (D2) IN MID-APRIL. BY THE END OF THE
MONTH, PORTIONS OF NORTHERN, CENTRAL, AND SOUTHERN AROOSTOOK, NORTHERN AND CENTRAL PENOBSCOT,
NORTHERN HANCOCK, AND NORTHERN AND CENTRAL WASHINGTON ALL IMPROVED TO ABNORMALLY DRY (D0)
CONDITIONS. WESTERN AROOSTOOK, NORTHERN SOMERSET, NORTHERN AND CENTRAL PISCATAQUIS, MOST OF
SOUTHERN PENOBSCOT, COASTAL HANCOCK AND WASHINGTON COUNTIES WERE IN MODERATE (D1) DROUGHT.
SOUTHERN PISCATAQUIS AND WESTERN PENOBSCOT WERE IN SEVERE DROUGHT (D2).
CLIMATE OUTLOOK:
- TEMPERATURES: FOR MAY, CLIMATE PREDICTION CENTER (CPC) IS FORECASTING NO STRONG SIGNALS FOR
ABOVE NORMAL TEMPERATURES IN NORTHERN AND EASTERN MAINE. FOR THE SEASON AHEAD, OUTLOOK SHOWS
TEMPERATURES COULD LEAN ABOVE CLIMATOLOGICAL NORMAL.
- PRECIPITATION: FOR MAY, CPC IS FORECASTING FOR LIKELY ABOVE NORMAL PRECIPITATION. THERE IS NO
STRONG SIGNAL FOR ANOMALOUSLY ABOVE OR BELOW NORMAL PRECIPITATION FOR THE NEXT THREE MONTHS
OVERALL.
- ENSO: PER CPC, ENSO-NEUTRAL CONDITIONS ARE PRESENT. 80 PERCENT CHANCE FOR CONTINUED ENSO-NEUTRAL
CONDITIONS MAY-JULY. THEN. EL NINO HAS A 61 PERCENT CHANCE OF DEVELOPING IN MAY-JULY, PERSISTING
THROUGH THE END OF THE YEAR.
ASB
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