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000
CXUS51 KCAR 042309
CLSCAR

CLIMATE REPORT
NATIONAL WEATHER SERVICE CARIBOU ME
708 PM EDT FRI JUN 04 2021

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

...THE CARIBOU ME CLIMATE SUMMARY FOR THE SEASON, FROM
3/1/2021 TO 5/31/2021...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1939 TO 2021

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             96   05/22/1977
 LOW             -28   03/02/2001
HIGHEST           86   05/26         MM      MM       91  05/28
LOWEST            -4   03/02         MM      MM       -7  03/01
AVG. MAXIMUM    52.2               48.3     3.9     48.4
AVG. MINIMUM    29.5               28.8     0.7     27.5
MEAN            40.9               38.6     2.3     37.9
DAYS MAX >= 90     0                0.2    -0.2       MM
DAYS MAX <= 32    13               14.1    -1.1       MM
DAYS MIN <= 32    43               53.7   -10.7       MM
DAYS MIN <= 0      6                4.2     1.8       MM

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       14.29   2005
 MINIMUM        4.11   1965
TOTALS          9.45               9.22    0.23     7.91
DAILY AVG.      0.10               0.10   -0.00     0.09
DAYS >= .01       35               40.3    -5.3       MM
DAYS >= .10       23               22.6     0.4       MM
DAYS >= .50        5                5.9    -0.9       MM
DAYS >= 1.00       0                0.8    -0.8       MM
GREATEST
 24 HR. TOTAL   1.02   0MM21 TO 04/22               0.74

SNOWFALL (INCHES)
RECORDS
 TOTAL          65.1   1961
TOTALS          22.5               30.5    -8.0     46.5
SINCE 7/1      107.9              118.2   -10.3       MM
SNOWDEPTH AVG.     5                                  MM
DAYS >= 1.0        6                7.9    -1.9       MM
GREATEST
 SNOW DEPTH       26   03/02                          MM  MM
                       03/10
 24 HR TOTAL      MM                                  MM

DEGREE DAYS
HEATING TOTAL   2219               2438    -219     2510
 SINCE 7/1      7754               8901   -1147       MM
COOLING TOTAL     23                  6      17       46
 SINCE 1/1        23                  6      17       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.4
HIGHEST WIND SPEED/DIRECTION    33/310    DATE  03/02
HIGHEST GUST SPEED/DIRECTION    47/310    DATE  03/02

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.48
NUMBER OF DAYS FAIR           39
NUMBER OF DAYS PC             26
NUMBER OF DAYS CLOUDY         27

AVERAGE RH (PERCENT)     60

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              3     MIXED PRECIP               0
HEAVY RAIN                5     RAIN                      14
LIGHT RAIN               42     FREEZING RAIN              1
LT FREEZING RAIN          1     HAIL                       0
HEAVY SNOW                6     SNOW                       8
LIGHT SNOW               20     SLEET                      3
FOG                      26     FOG W/VIS <= 1/4 MILE      7
HAZE                      4

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

...2021 SPRING CLIMATE NARRATIVE FOR NORTHERN AND EASTERN MAINE...

METEOROLOGICAL SPRING (MARCH THROUGH MAY) OF 2021 ACROSS NORTHERN
AND EASTERN MAINE WAS MUCH WARMER THAN AVERAGE WITH BELOW AVERAGE
PRECIPITATION.

IT RANKED AS THE 7TH WARMEST SPRING ON RECORD IN CARIBOU WHERE
WEATHER RECORDS DATE BACK TO 1939. IN BANGOR, IT WAS ALSO THE 7TH
WARMEST SPRING ON RECORD. WEATHER RECORDS IN BANGOR DATE BACK TO
1925. IN MILLINOCKET, WHERE THE PERIOD OF WEATHER RECORDS DATES BACK
TO 1903 IT WAS THE 6TH WARMEST SPRING ON RECORD. FINALLY, IN HOULTON
IT WAS THE 9TH WARMEST SPRING ON RECORD. WEATHER RECORDS IN HOULTON
DATE BACK TO 1948.

PRECIPITATION WAS BELOW AVERAGE AND RANGED FROM 50 TO 80 PERCENT OF
NORMAL ACROSS THE DOWN EAST REGION AND INTO CENTRAL PORTIONS OF THE
AREA, AND FROM 80 TO 100 PERCENT OF NORMAL ACROSS FAR NORTHERN
MAINE.

IN MARCH, TEMPERATURES RANGED FROM 2 TO 3 DEGREES ABOVE AVERAGE
ACROSS THE REGION. THE BIG WEATHER STORY WAS A PRONOUNCED WARM UP
MARCH 20TH THROUGH THE 25TH THAT BROUGHT HIGHS IN THE 50S AND 60S
AND MELTED OUT MOST OF THE WINTER SNOW PACK. PRECIPITATION WAS BELOW
AVERAGE, EXCEPT NEAR AVERAGE IN THE SAINT JOHN VALLEY.
SNOWFALL WAS BELOW AVERAGE. A STORM ON MARCH 2ND BROUGHT SIGNIFICANT
BLOWING AND DRIFTING SNOW TO PORTION OF AROOSTOOK COUNTY AND CLOSED
MANY ROADS.

APRIL ALSO FEATURED ABOVE AVERAGE TEMPERATURES WHICH RANGED FROM 3
TO 5 DEGREES ABOVE AVERAGE. ALL CLIMATE STATIONS FINISHED WITH A TOP
5 WARMEST APRIL ON RECORD. PRECIPITATION WAS CLOSER TO AVERAGE AND
RANGED FROM 80 TO 120 PERCENT OF NORMAL. SNOWFALL WAS BELOW AVERAGE
DOWN EAST, BUT NEAR TO EVEN A BIT ABOVE AVERAGE ACROSS CENTRAL AND
NORTHERN PORTIONS OF THE REGION. THERE WAS AN EARLY BREAK-UP ON AREA
RIVERS WITH LITTLE TO NO SIGNIFICANT ICE JAMS.

MAY 2021 FINISHED WITH NEAR TEMPERATURES. PRECIPITATION VARIED FROM
AS LOW AS 60 PERCENT OF NORMAL DOWN EAST AND ACROSS THE LOWER
PENOBSCOT VALLEY TO 110 PERCENT OF NORMAL ACROSS THE FAR NORTH AND
ALONG THE EASTERN MAINE/NEW BRUNSWICK BORDER FROM DANFORTH NORTH.
THE ONLY SNOW WAS OBSERVED ON THE 5TH FROM HOULTON NORTH, BUT WITH
NO ACCUMULATION. LATE SEASON FROSTS AND FREEZES AFFECTED THE AREA
LATE IN THE MONTH WITH A FEW NIGHTS WITH BELOW FREEZING TEMPERATURES
IN MANY OF THE NORTHERN VALLEYS.

$$
CB/VJN