Climatological Report (Monthly)
Issued by NWS Caribou, ME

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CXUS51 KCAR 010848
CLMCAR


CLIMATE REPORT
NATIONAL WEATHER SERVICE CARIBOU, ME
446 AM EDT SAT APR 1 2017

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

...THE CARIBOU ME CLIMATE SUMMARY FOR THE MONTH OF MARCH 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1939 TO 2017

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            45   03/31        MM      MM       47  03/16
                        03/20
LOWEST            -11   03/11        MM      MM       -8  03/04
AVG. MAXIMUM     29.4              33.9    -4.5     33.2
AVG. MINIMUM     10.8              15.2    -4.4     15.1
MEAN             20.1              24.5    -4.4     24.1
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32     17              11.6     5.4       14
DAYS MIN <= 32     30              29.3     0.7       30
DAYS MIN <= 0       4               4.0     0.0        4

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         5.27   2008
 MINIMUM         0.66   1965
TOTALS           2.72                      0.21
DAILY AVG.       0.09              0.08    0.01     0.15
DAYS >= .01        10              12.6    -2.6       15
DAYS >= .10         8               6.1     1.9       11
DAYS >= .50         1               1.5    -0.5        4
DAYS >= 1.00        0               0.3    -0.3        0
GREATEST
 24 HR. TOTAL    0.57   03/14 TO 03/14           03/28 TO 03/29
                                                          03/02 TO 03/02
                                                          03/02 TO 03/02

SNOWFALL (INCHES)
RECORDS
 TOTAL           47.1   1955
TOTALS           23.6              18.3     5.3     27.2
SINCE 7/1       120.2             100.8    19.4     87.2
SNOWDEPTH AVG.     24                16       8       11
DAYS >= 1.0         6               4.5     1.5        8
GREATEST
 SNOW DEPTH        29   03/29                         15  03/30
 24 HR TOTAL     11.7   03/14 TO 03/14           03/02 TO 03/02
                                                          03/02 TO 03/02
                                                          03/02 TO 03/02

DEGREE_DAYS
HEATING TOTAL    1383              1254     129     1257
 SINCE 7/1       7364              7975    -611     6999
COOLING TOTAL       0                 0       0        0
 SINCE 1/1          0                 0       0        0
...................................................

WIND (MPH)
AVERAGE WIND SPEED              9.2
HIGHEST WIND SPEED/DIRECTION    31/330    DATE  03/22
HIGHEST GUST SPEED/DIRECTION    59/030    DATE  03/14

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR           12
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                       2
LIGHT RAIN                3     FREEZING RAIN              1
LT FREEZING RAIN          3     HAIL                       0
HEAVY SNOW                4     SNOW                       8
LIGHT SNOW               14     SLEET                      0
FOG                      11     FOG W/VIS <= 1/4 MILE      7
HAZE                     11

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.
------------------------------------------------------------------------------------------
...NORTHERN AND EASTERN MAINE MONTHLY CLIMATE NARRATIVE...

MARCH 2017 FINISHED WITH BELOW AVERAGE TEMPERATURES, BELOW AVERAGE
PRECIPITATION, AND NEAR TO SLIGHTLY ABOVE AVERAGE SNOWFALL.

TEMPERATURES RANGED FROM 4 TO 6 DEGREES BELOW AVERAGE. IT RANKED
AS THE 16TH COLDEST MARCH AT CARIBOU AND 13TH COLDEST AT BANGOR.
LIQUID PRECIPITATION (RAIN AND MELTED SNOW) RANGED FROM 130 TO 200
PERCENT OF NORMAL ACROSS THE SAINT JOHN VALLEY, AND FROM 50 TO 90
PERCENT ACROSS THE DOWNEAST REGION. THE TOTAL MONTHLY SNOWFALL
AT CARIBOU OF 23.6 INCHES WAS 5.3 INCHES ABOVE AVERAGE. THE
MONTHLY SNOWFALL TOTAL AT BANGOR OF 17 INCHES WAS 6 INCHES ABOVE
AVERAGE.

A COLD ARCTIC AIR MASS PRODUCED A RECORD LOW MAXIMUM TEMPERATURE
AT CARIBOU ON MARCH 11TH. THE HIGH OF 1 BELOW SMASHED THE PREVIOUS
RECORD OF 15 DEGREES SET IN 1939. IT MARKED THE LATEST SUB-ZERO
MAXIMUM TEMPERATURE ON RECORD AT CARIBOU.  RECORD LOW MAXIMUM
TEMPERATURE RECORDS WERE ALSO SET THAT DAY AT BANGOR, MILLINOCKET,
AND HOULTON. THE HIGH OF 2 DEGREES AT HOULTON WAS THE LOWEST HIGH
TEMPERATURE EVER OBSERVED IN MARCH BREAKING THE RECORD OF 3
DEGREES, SET ON MARCH 3, 1950.

THE SNOW DEPTH, WHICH TYPICALLY BEGINS TO DECREASE DURING THE 2ND
HALF OF MARCH ACTUALLY INCREASED IN SOME SPOTS. ACROSS NORTHERN
AREAS THE SNOW DEPTH GENERALLY RANGED FROM 25 TO 35 INCHES DURING
THE MONTH. AT BANGOR, THE SNOW DEPTH PEAKED AT 31 INCHES AT MID
MONTH, BUT BY THE END OF THE MONTH HAD DECREASED TO ONLY A TRACE
BY THE EVENING OF THE 31ST.

THE MOST ACTIVE WEATHER OCCURRED AT MID MONTH WHEN A WINTER
STORM PRODUCED FROM 8 TO 18 INCHES OF SNOW ACROSS THE AREA WITH
THE HIGHEST TOTALS ALONG THE QUEBEC BORDER.

THE OFFICIAL OUTLOOK FOR APRIL 2017 FROM THE CLIMATE PREDICTION
CENTER CALLS FOR AN INCREASED LIKELIHOOD OF ABOVE AVERAGE
TEMPERATURES ACROSS NORTHERN AND EASTERN MAINE. THERE ARE NO
STRONG CLIMATE SIGNALS THAT WOULD POINT TOWARD AN UNSUALLY WET
(SNOWY) OR DRY MONTH. THE AVERAGE TEMPERATURES UNDERGO THE MOST
RAPID RISE OF ANY MONTH OF THE YEAR. THE AVERAGE HIGH AT CARIBOU
CLIMBS FROM 40 DEGREES ON THE 1ST TO 56 DEGREES BY THE END OF THE
MONTH. THE AVERAGE LOW TEMPERATURE RISES FROM 22 DEGREES ON THE
1ST TO 35 DEGREES AT THE END OF THE MONTH. AT BANGOR, THE AVERAGE
HIGH CLIMBS FROM 46 DEGREES TO 59 BY THE END OF THE MONTH. THE
AVERAGE LOWS RISE FROM 27 TO 37 DEGREES DURING THE COURSE OF THE
MONTH. THERE IS AN INCREASE OF MORE THAN ONE AND ONE HALF HOURS OF
AVAILABLE DAYLIGHT DURING THE MONTH OF APRIL.

$$

CB/VJN




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