Climatological Report (Monthly)
Issued by NWS Caribou, ME

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CXUS51 KCAR 012320
CLMCAR

CLIMATE REPORT
NATIONAL WEATHER SERVICE CARIBOU, ME
717 PM EDT SUN APR 1 2018

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

...THE CARIBOU ME CLIMATE SUMMARY FOR THE MONTH OF MARCH 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1939 TO 2018

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              75   03/21/2012
 LOW              -28   03/02/2001
HIGHEST            48   03/29        MM      MM       45  03/31
                                                          03/20
LOWEST              2   03/17        MM      MM      -11  03/11
AVG. MAXIMUM     36.0              33.9     2.1     29.4
AVG. MINIMUM     21.4              15.2     6.2     10.8
MEAN             28.7              24.5     4.2     20.1
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      9              11.6    -2.6       17
DAYS MIN <= 32     30              29.3     0.7       30
DAYS MIN <= 0       0               4.0    -4.0        4

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         5.27   2008
 MINIMUM         0.66   1965
TOTALS           2.70                      0.19
DAILY AVG.       0.09              0.08    0.01     0.09
DAYS >= .01        10              12.6    -2.6       10
DAYS >= .10         7               6.1     0.9        8
DAYS >= .50         2               1.5     0.5        1
DAYS >= 1.00        0               0.3    -0.3        0
GREATEST
 24 HR. TOTAL    0.64   03/30 TO 03/30           03/14 TO 03/14
                                                          03/14 TO 03/14EATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                                                          03/14 TO 03/14EATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S

SNOWFALL (INCHES)
RECORDS
 TOTAL           47.1   1955
TOTALS           26.1              18.3     7.8     23.6
SINCE 7/1       128.4             100.8    27.6    120.2
SNOWDEPTH AVG.     30                16      14       24
DAYS >= 1.0         6               4.5     1.5        6
GREATEST
 SNOW DEPTH        35   03/16                         29  03/29
                        03/15
 24 HR TOTAL      7.9   03/08 TO 03/08           03/14 TO 03/14
                                                          03/14 TO 03/14EATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                                                          03/14 TO 03/14EATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S

DEGREE_DAYS
HEATING TOTAL    1117              1254    -137     1383
 SINCE 7/1       7320              7975    -655     7364
COOLING TOTAL       0                 0       0        0
 SINCE 1/1          0                 0       0        0
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              9.3
HIGHEST WIND SPEED/DIRECTION    28/050    DATE  03/14
HIGHEST GUST SPEED/DIRECTION    39/040    DATE  03/14

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.70
NUMBER OF DAYS FAIR            6
NUMBER OF DAYS PC              8
NUMBER OF DAYS CLOUDY         17

AVERAGE RH (PERCENT)     65

WEATHER CONDITIONS. NUMBER OF DAYS WITH
  0
  1
  0
  0
  6
  1
  4
HAZE                      6

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

---------------------------------------------------------------------
...NORTHERN AND EASTERN MAINE MARCH CLIMATE NARRATIVE...

TEMPERATURES WERE ABOVE AVERAGE THIS PAST MARCH AND RANGED FROM
AROUND 1 DEGREE ABOVE AVERAGE ALONG THE COAST TO NEAR 4 DEGREES
ABOVE AVERAGE ACROSS FAR NORTHERN MAINE INCLUDING THE SAINT JOHN
VALLEY. IT WAS THE 11TH WARMEST MARCH ON RECORD AT CARIBOU.

TEMPERATURES WERE ABOVE TO WELL ABOVE AVERAGE THE FIRST HALF OF
THE MONTH WITH UNUSUALLY MILD LOW TEMPERATURES. LOW TEMPERATURES
RANGED FROM 22 TO 30 DEGREES THE FIRST 15 DAYS OF THE MONTH AT
CARIBOU. ABOVE AVERAGE TEMPERATURES WERE OBSERVED EVERY DAY FROM
MARCH 1-15 AT CARIBOU, HOULTON, AND MILLINOCKET. AT BANGOR, EVERY
DAY WITH THE EXCEPTION OF THE 12TH FEATURED ABOVE AVERAGE
TEMPERATURES. THERE WAS A SIGNIFICANT PATTERN CHANGE MID-MONTH
AND TEMPERATURES WERE WELL BELOW AVERAGE FROM THE 17TH THROUGH THE
19TH, WITH ALTERNATING SPELLS OF ABOVE AND BELOW AVERAGE
TEMPERATURES FROM THE 20TH THROUGH THE END OF THE MONTH.
TEMPERATURES DURING THE 2ND HALF OF MARCH ACTUALLY AVERAGED ABOUT
4 DEGREES COOLER THAN DURING THE FIRST HALF OF THE MONTH. AT
BANGOR, A LOW TEMPERATURE RECORD FROM 1990 WAS TIED ON THE
MORNING OF THE 27TH WHEN THE LOW WAS 9 DEGREES.

LIQUID PRECIPITATION (RAIN AND MELTED SNOW) RANGED FROM 50 TO 90
OF AVERAGE ACROSS THE CENTRAL AND DOWNEAST AREAS AND 100 TO 150
PERCENT OF AVERAGE ACROSS THE WESTERN SAINT JOHN VALLEY AND NORTH
WOODS. SNOWFALL WAS ABOVE AVERAGE WITH 2 MAJOR SNOWSTORMS. ONE
STORM ON MARCH 7-8 PRODUCED WIDESPREAD TOTALS OF 8 TO 14 INCHES
WITH LOCALLY HIGHER AMOUNTS NEAR THE KATAHDIN REGION. ANOTHER
STORM ON MARCH 13-14 WAS THE BIGGEST OF THE WINTER ACROSS MUCH OF
THE DOWNEAST REGION AND CENTRAL HIGHLANDS WITH WIDESPREAD AMOUNTS
OF 18 TO 25 INCHES WITH LOCAL AMOUNTS AS HIGH AS 30 INCHES AROUND
BANGOR AND CENTRAL PISCATAQUIS COUNTY. AMOUNTS WERE LESS THAN 6
INCHES ACROSS THE EASTERN SAINT JOHN VALLEY. THE MONTHLY TOTAL OF
33 INCHES RANKED AS THE 6TH SNOWIEST MARCH ON RECORD AT BANGOR.

THE SNOW PACK AT THE END OF THE MONTH RANGED FROM 18 TO 25 INCHES
ACROSS NORTHERN AND CENTRAL AREAS, BUT HAD DECREASED TO JUST A
TRACE AT BANGOR. THERE WERE STILL AREAS DOWNEAST THAT HAD FROM 4
TO 10 INCHES OF SNOW ON THE GROUND, AND SOME HIGHER ELEVATIONS
ACROSS THE NORTH WOODS LIKELY STILL HAD 3 FEET OR MORE OF SNOW ON
THE GROUND,

AT CARIBOU, THE MONTH BEGAN WITH 30 INCHES OF SNOW ON THE GROUND
AND ENDED WITH 20. THE GREATEST SNOW DEPTH OF 35 INCHES WAS
OBSERVED ON THE MORNING OF THE 15TH AND 16TH. AT BANGOR, THE MONTH
BEGAN WITH NO SNOW ON THE GROUND AND ENDED WITH A TRACE. THE
GREATEST SNOW DEPTH OF 30 INCHES WAS OBSERVED ON THE MORNING OF
THE 15TH.

THE OUTLOOK FOR APRIL FROM THE CLIMATE PREDICTION CENTER CALLS
FOR AN INCREASED LIKELIHOOD OF BELOW AVERAGE TEMPERATURES, AND AN
INCREASED LIKELIHOOD OF ABOVE AVERAGE PRECIPITATION.

DURING THE MONTH OF APRIL AVERAGE TEMPERATURES UNDERGO THE
LARGEST RISE OF ANY MONTH OF THE YEAR. THE AVERAGE HIGH
TEMPERATURE AT CARIBOU CLIMBS FROM 40 DEGREES AT THE START OF THE
MONTH TO 55 DEGREES BY THE END OF THE MONTH. THE AVERAGE LOWS RISE
FROM 22 TO 35 DEGREES. THE AVERAGE MONTHLY SNOWFALL IS 7.4
INCHES. AT BANGOR, THE AVERAGE HIGH RISES FROM 46 TO 59 WHILE THE
AVERAGE LOWS RISE FROM 27 TO 37 DEGREES. ON AVERAGE, THERE IS 3.7
INCHES OF SNOW DURING THE MONTH OF APRIL. THERE IS AN INCREASE OF
1 HOUR AND 33 MINUTES OF DAYLIGHT AT CARIBOU DURING THE MONTH.

$$

CB/VJN



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