Climatological Report (Monthly)
Issued by NWS Caribou, ME

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825
CXUS51 KCAR 021329
CLMCAR

CLIMATE REPORT
NATIONAL WEATHER SERVICE CARIBOU, ME
830 AM EST SAT JAN 2 2016

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

...THE CARIBOU ME CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1939 TO 2015

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              58   12/12/1950
                        12/05/1950
 LOW              -31   12/30/1989
HIGHEST            48   12/12        MM      MM       48  12/25
LOWEST              0   12/29        MM      MM      -15  12/31
                        12/28
AVG. MAXIMUM     33.8              26.2     7.6     29.0
AVG. MINIMUM     23.3              10.3    13.0     15.6
MEAN             28.5              18.2    10.3     22.3
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32     13              21.2    -8.2       19
DAYS MIN <= 32     28              29.9    -1.9       27
DAYS MIN <= 0       2               7.4    -5.4        7

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         7.97   1973
 MINIMUM         0.74   1963
TOTALS           4.88                      1.61
DAILY AVG.       0.16              0.11    0.05     0.19
DAYS >= .01        17              14.3     2.7       15
DAYS >= .10        12               7.4     4.6       11
DAYS >= .50         2               2.1    -0.1        5
DAYS >= 1.00        0               0.4    -0.4        1
GREATEST
 24 HR. TOTAL    0.80   12/15 TO 12/15           12/09 TO 12/10
                                                          12/10 TO 12/10
                                                          12/10 TO 12/10

SNOWFALL (INCHES)
RECORDS
 TOTAL           59.9   1972
TOTALS           27.8              22.9     4.9     27.1
SINCE 7/1        31.9              35.1    -3.2     55.9
SNOWDEPTH AVG.      3                 7      -4        8
DAYS >= 1.0         8               5.8     2.2        6
GREATEST
 SNOW DEPTH        13   12/31                         15  12/23
                        12/30                             12/22
                                                          12/21
 24 HR TOTAL      7.1   MM                       12/10 TO 12/10
                                                          12/10 TO 12/10
                                                          12/10 TO 12/10

DEGREE_DAYS
HEATING TOTAL    1122              1449    -327     1315
 SINCE 7/1       2940              3594    -654     3267
COOLING TOTAL       0                 0       0        0
 SINCE 1/1        253               180      73      266
.................................................

WIND (MPH)
AVERAGE WIND SPEED              6.6
HIGHEST WIND SPEED/DIRECTION    28/330    DATE  12/28
HIGHEST GUST SPEED/DIRECTION    37/330    DATE  12/28

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.70
NUMBER OF DAYS FAIR            7
NUMBER OF DAYS PC              6
NUMBER OF DAYS CLOUDY         18

AVERAGE RH (PERCENT)     79

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       5
LIGHT RAIN                9     FREEZING RAIN              2
LT FREEZING RAIN          6     HAIL                       0
HEAVY SNOW                2     SNOW                       7
LIGHT SNOW               12     SLEET                      3
FOG                      22     FOG W/VIS <= 1/4 MILE     12
HAZE                      2

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.
---------------------------------------------------------------------
...CLIMATE SUMMARY FOR DECEMBER 2015 ...
...WARMEST ON RECORD FOR BANGOR, HOULTON, AND CARIBOU...

DECEMBER 2015 WAS THE WARMEST ON RECORD AT CARIBOU, HOULTON,
ANDBANGOR. TEMPERATURES ACROSS NORTHERN AND EASTERN MAINE AVERAGED
NEAR10 DEGREES ABOVE THE 30 YEAR AVERAGE.  PRECIPITATION WAS
MOREVARIABLE ACROSS THE REGION, BUT IN MOST AREAS RANGED FROM 100 TO
150PERCENT OF AVERAGE, WITH THE HIGHEST DEPARTURES FROM AVERAGE
FROMMILLINOCKET NORTH TO THE SAINT JOHN VALLEY.

AT CARIBOU, THE AVERAGE TEMPERATURE OF 28.5 DEGREES WAS 10.3
DEGREESABOVE THE 30-YEAR AVERAGE.  IT RANKED AS THE WARMEST DECEMBER
ONRECORD, AND SURPASSED 2001 BY 2 DEGREES. THERE WERE ONLY 3 DAYS
THEENTIRE MONTH WITH BELOW AVERAGE TEMPERATURES (1ST, 28TH &
29TH).TEMPERATURES WERE ABOVE TO AT TIMES WELL ABOVE AVERAGE THE
REMAINDEROF THE MONTH.  IN FACT, TEMPERATURES THIS PAST DECEMBER AT
CARIBOUWERE MORE TYPICAL OF PORTLAND, MAINE.

AT BANGOR, THE AVERAGE TEMPERATURE OF 34 DEGREES WAS 9.4
DEGREESABOVE THE 30-YEAR AVERAGE.  IT RANKED AS THE WARMEST DECEMBER
ONRECORD, AND SURPASSED 1953 BY 1.7 DEGREES.  THERE WERE ONLY 2
DAYSTHE ENTIRE MONTH WITH BELOW AVERAGE TEMPERATURES (1ST &
29TH).TEMPERATURES WERE ABOVE TO AT TIMES WELL ABOVE AVERAGE THE
REMAINDEROF  THE MONTH.  TEMPERATURES THIS PAST DECEMBER AT BANGOR
WERE MORETYPICAL OF BOSTON, MASSACHUSETTS.

AT HOULTON, THE AVERAGE TEMPERATURE OF 29.7 DEGREES WAS 10.3
DEGREESABOVE THE 30-YEAR AVERAGE.  IT RANKED AS THE WARMEST DECEMBER
ONRECORD, AND SURPASSED 1996 BY 2 DEGREES.

THE TEMPERATURE NEVER DROPPED BELOW ZERO THIS PAST DECEMBER
ATCARIBOU, WITH A LOW OF ZERO ON BOTH THE 28TH AND 29TH.
ALTHOUGHTHIS IS NOT ALL THAT UNSUAL, THERE ARE ON AVERAGE 2 NIGHTS
DURINGTHE MONTH OF DECEMBER WHEN THE TEMPERATURE DROPS BELOW ZERO.
THEREWERE A TOTAL OF 18 DAYS WITH A HIGH ABOVE FREEZING, WHICH WAS
THEMOST SINCE 1996.  AT BANGOR, THERE WERE 27 DAYS WITH A HIGH
ABOVEFREEZING, THE MOST SINCE 1952.

BY FAR THE MOST SIGNIFICANT WEATHER STORY OF THE MONTH WAS
THEPERSISTENTLY ABOVE, AND AT TIMES WELL ABOVE AVERAGE
TEMPERATURES.REMARKABLY, DESPITE THE WELL ABOVE AVERAGE TEMPERATURES
SNOWFALL WASALSO ABOVE AVERAGE ACROSS FAR NORTHERN MAINE.  AT
CARIBOU, A TOTALOF 27.8 INCHES OF SNOW WAS OBSERVED, WHICH WAS 4.9
INCHES ABOVEAVERAGE.  AT BANGOR, A TOTAL OF 11.1 INCHES OF SNOW WAS
OBSERVED,WHICH WAS 3.3 INCHES BELOW AVERAGE.

THE OUTLOOK FROM THE CLIMATE PREDICTION CENTER FOR THE MONTH
OFJANUARY CALLS FOR AN INCREASED LIKELIHOOD OF ABOVE
NORMALTEMPERATURES ACROSS WESTERN MAINE, WITH NO STRONG
CLIMATESIGNALS THAT  WOULD POINT TOWARD ABOVE OR BELOW NORMAL
TEMPERATURESACROSS EASTERN MAINE. THERE ARE NO STRONG CLIMATE
SIGNALS THAT WOULDPOINT TOWARD AN UNUSUALLY WET (SNOWY) OR DRY
MONTH.

THE AVERAGE TEMPERATURES BOTTOM OUT DURING THE MONTH OF JANUARY.
ATCARIBOU THE AVERAGE HIGH TEMPERATURE BOTTOMS OUT BETWEEN THE
18THAND 20TH OF THE MONTH AT 19 DEGREES.  THE AVERAGE LOW
TEMPERATUREBOTTOMS OUT AT 1 ABOVE FROM THE 12TH THROUGH THE END OF
THE MONTH.AT BANGOR, THE AVERAGE TEMPERATURES BOTTOM OUT AT 27
DEGREES BETWEENTHE 9TH AND 27TH OF THE MONTH. THE AVERAGE LOW
TEMPERATURES BOTTOMOUT AT 6 DEGREES FROM THE 12TH THROUGH 27TH.

JANUARY IS ON AVERAGE THE SNOWIEST MONTH OF THE YEAR. THE
AVERAGESNOWFALL AT CARIBOU DURING THE MONTH OF JANUARY IS 25.2
INCHES...ANDAT BANGOR IS 19.2 INCHES. DAYLIGHT SLOWLY INCREASES THE
MONTH WITHAN INCREASE OF NEARLY AN HOUR OF USABLE DAYLIGHT DURING
THE MONTH.

$$

CB/VJN



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