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000
CXUS51 KCAR 052032
CLMCAR

CLIMATE REPORT
NATIONAL WEATHER SERVICE CARIBOU ME
433 PM EDT FRI MAY 05 2023

...................................

...THE CARIBOU ME CLIMATE SUMMARY FOR THE MONTH OF APRIL 2023...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1939 TO 2023

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   04/28         MM      MM       56  04/25
                       04/29
LOWEST            10   04/03         MM      MM       17  04/06
AVG. MAXIMUM    50.9               47.7     3.2     46.8
AVG. MINIMUM    30.6               29.4     1.2     30.8
MEAN            40.8               38.5     2.3     38.8
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32     0                1.1    -1.1        0
DAYS MIN <= 32    15               20.7    -5.7       17
DAYS MIN <= 0      0                0.1    -0.1        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        6.19   2005
 MINIMUM        0.54   1967
TOTALS          1.18                      -1.81
DAILY AVG.      0.04               0.10   -0.06     0.12
DAYS >= .01        7               13.1    -6.1       17
DAYS >= .10        3                7.5    -4.5       10
DAYS >= .50        0                2.0    -2.0        3
DAYS >= 1.00       0                0.2    -0.2        0
GREATEST
 24 HR. TOTAL   0.51   04/17 TO 04/18               0.67  04/27 TO 04/28

SNOWFALL (INCHES)
RECORDS
 TOTAL          36.4   1982
TOTALS           3.7                8.3    -4.6      4.1
SINCE 7/1      133.4              117.4    16.0       MM
SNOWDEPTH AVG.     7                                   3
DAYS >= 1.0        2                2.5    -0.5        1
GREATEST
 SNOW DEPTH       18*  04/03                          16  04/01
                       04/04
                       04/06
 24 HR TOTAL     3.7*                                 MM

DEGREE DAYS
HEATING TOTAL    719                794     -75      777
 SINCE 7/1      7629               8498    -869       MM
COOLING TOTAL      0                  0       0        0
 SINCE 1/1         0                  0       0       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              7.5
HIGHEST WIND SPEED/DIRECTION    29/330    DATE  04/02
HIGHEST GUST SPEED/DIRECTION    41/310    DATE  04/02

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.49
NUMBER OF DAYS FAIR           11
NUMBER OF DAYS PC             11
NUMBER OF DAYS CLOUDY          8

AVERAGE RH (PERCENT)     63

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       1
LIGHT RAIN               13     FREEZING RAIN              0
LT FREEZING RAIN          2     HAIL                       0
HEAVY SNOW                1     SNOW                       3
LIGHT SNOW                6     SLEET                      1
FOG                       7     FOG W/VIS <= 1/4 MILE      3
HAZE                      1

-  INDICATES NEGATIVE NUMBERS.
*  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

&&

...APRIL 2023 CLIMATE NARRATIVE FOR NORTHERN/EASTERN MAINE...

APRIL 2023 WAS WARMER THAN AVERAGE WITH BELOW AVERAGE PRECIPITATION
AND BELOW AVERAGE SNOWFALL.

THE REGION AS A WHOLE AVERAGED FROM 1.5 TO 3 DEGREES ABOVE THE 1991-
2020 AVERAGES. THE MONTH BEGAN ON A COOL NOTE WITH TEMPERATURES
MOSTLY BELOW AVERAGE THE FIRST 9 DAYS OF THE MONTH. TEMPERATURES
FROM THE 10TH AND THROUGH THE END OF THE MONTH WERE MOSTLY ABOVE
AVERAGE WITH ONLY A HANDFUL OF DAYS WITH SLIGHTLY BELOW AVERAGE
TEMPERATURES.

THE FIRST REAL MILD DAY OCCURRED ON THE 10TH WITH A HIGH OF 60
DEGREES IN CARIBOU AND 63F AT BANGOR.  THE MONTH ENDED WITH A TOTAL
OF 7 DAYS WITH A HIGH IN THE 60S AT CARIBOU, AND 10 DAYS WITH A HIGH
OF 60 OR WARMER AT BANGOR INCLUDING A RECORD HIGH OF 76 DEGREES ON
THE 14TH.

TOTAL PRECIPITATION FOR THE MONTH RANGED FROM 30 TO 75 PERCENT OF
AVERAGE, EXCEPT ACROSS PARTS OF THE CENTRAL HIGHLANDS WHERE
PRECIPITATION RANGED FROM 75 TO 90 PERCENT OF NORMAL. IN CARIBOU,
ONLY 1.18 INCHES OF RAIN (AND MELTED SNOW) WAS OBSERVED, WHICH
RANKED AS THE 9TH DRIEST APRIL ON RECORD. IN HOULTON 1.48 INCHES OF
RAIN (AND MELTED SNOW) WAS OBSERVED MAKING IT THE 11TH DRIEST APRIL
ON RECORD. IN BANGOR, 1.89 INCHES OF RAIN AND MELTED SNOW RANKED AS
THE 13TH DRIEST APRIL ON RECORD.

SNOWFALL WAS WELL BELOW AVERAGE WITH NEARLY ALL OF THE SNOWFALL
OBSERVED DURING THE FIRST WEEK OF THE MONTH.  IN CARIBOU, ONLY 3.7
INCHES OF SNOW WAS OBSERVED, AND IN BANGOR ONLY AN INCH. IN CARIBOU,
IT WAS THE LEAST SNOWY APRIL SINCE 2016.

AT THE START OF THE MONTH, THE SNOW DEPTH RANGED FROM 18 TO 44
INCHES ACROSS AROOSTOOK COUNTY WITH THE HIGHEST AMOUNTS ACROSS THE
HIGHER TERRAIN TO THE WEST OF CARIBOU. THERE WAS 3 INCHES OF SNOW ON
THE GROUND AT MILLINOCKET, AND LITTLE TO NO SNOW WAS OBSERVED IN
BANGOR AND ALONG THE COAST.  BY THE END OF APRIL, ONLY THE HIGHER
ELEVATIONS OF NORTHWEST MAINE HAD ANY SNOW LEFT ON THE GROUND WITH 6
TO 12 INCHES IN THE SHELTERED WOODS.

THE ICE WENT OUT ON THE NORTHERN RIVERS AROUND MID-MONTH AND OVERALL
WAS VERY BENIGN WITH LOCAL ROAD FLOODING OF LOW SPOTS AROUND FORT
FAIRFIELD. THERE WAS SOME MINOR FLOODING IN PARTS OF AROOSTOOK
COUNTY ON THE 18TH-19TH DUE TO THE COMBINATION OF RAINFALL AND
SNOWMELT.

THE CLIMATE PREDICTION CENTER`S OUTLOOK FOR THE MONTH OF MAY 2023
INDICATES THAT ABOVE AVERAGE TEMPERATURES ARE FAVORED. THERE ARE NO
STRONG CLIMATE SIGNALS THAT POINT TOWARD IT BEING UNUSUALLY WET OR
DRY.

NORMAL MAY TEMPERATURES FOR THE 1991-2020 PERIOD INDICATE THAT THE
AVERAGE TEMPERATURES RISE SIGNIFICANTLY DURING THE MONTH. AT THE
START OF THE MONTH, THE AVERAGE HIGHS ARE IN THE MID 50S ACROSS THE
NORTH AND IN THE LOW 60S IN BANGOR.  BY THE END OF THE MONTH, THE
AVERAGE HIGHS RISE TO UPPER 60S IN THE NORTH AND TO NEAR 70F IN
BANGOR AND DOWNEAST. AVERAGE LOWS CLIMB FROM THE MID TO UPPER 30S IN
THE NORTH AT THE START OF THE MONTH TO THE MID 40S BY MONTHS END. IN
BANGOR, THE AVERAGE LOWS RISE FROM THE UPPER 30S TO THE UPPER 40S BY
THE END OF THE MONTH. IN CARIBOU, AN AVERAGE OF 3.46 INCHES OF RAIN
IS OBSERVED, INCLUDING 0.8" OF SNOW. IN BANGOR, 3.34 INCHES OF RAIN
IS OBSERVED ON AVERAGE WITH NO SNOW. FROST CAN OCCUR AT ANY TIME OF
THE MONTH ACROSS THE NORTHERN VALLEYS, BUT BECOMES LESS COMMON BY
MID TO LATE MONTH ACROSS THE DOWNEAST REGION.

$$

CB/VJN