Climatological Report (Monthly)
Issued by NWS Caribou, ME

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CXUS51 KCAR 180928
CLMCAR

CLIMATE REPORT
NATIONAL WEATHER SERVICE CARIBOU, ME
307 PM EST TUE JAN 17 2017

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

...THE CARIBOU ME CLIMATE SUMMARY FOR THE YEAR OF 2016...

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              96   05/22/1977
                        06/29/1944
 LOW              -41   02/01/1955
HIGHEST            89   06/19        MM      MM       88  09/07
                                                          08/18
LOWEST            -17   12/20        MM      MM      -22  01/08
AVG. MAXIMUM     51.7              49.4     2.3     49.7
AVG. MINIMUM     32.2              30.3     1.9     30.5
MEAN             41.9              39.9     2.0     40.1
DAYS MAX >= 90      0               1.1    -1.1        0
DAYS MAX <= 32     83              89.5    -6.5       93
DAYS MIN <= 32    176             177.7    -1.7      175
DAYS MIN <= 0      25              38.8   -13.8       52

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        54.21   2005
 MINIMUM        10.11   2002
TOTALS          43.96             38.49    5.47    36.17
DAILY AVG.       0.12              0.11    0.01     0.10
DAYS >= .01       166             159.8     6.2      163
DAYS >= .10        96              87.4     8.6       91
DAYS >= .50        34              24.0    10.0       19
DAYS >= 1.00        4               5.7    -1.7        4
GREATEST
 24 HR. TOTAL    1.67   MM                       12/31 TO 12/31
                                                          12/31 TO 12/31
                                                          12/31 TO 12/31

SNOWFALL (INCHES)
RECORDS
 TOTAL          181.1   1954
TOTALS          124.3             108.7    15.6    118.1
SINCE 7/1        61.4              35.1    26.3     31.9
SNOWDEPTH AVG.      4                MM      MM        5
DAYS >= 1.0        31              27.5     3.5       30
GREATEST
 SNOW DEPTH        27   12/30                         25  03/04
 24 HR TOTAL     11.9   MM                       12/31 TO 12/31
                                                          12/31 TO 12/31
                                                          12/31 TO 12/31

DEGREE_DAYS
HEATING TOTAL    8601              9354    -753     9175
 SINCE 7/1         MM              3594      MM       MM
COOLING TOTAL     275               180      95      253
 SINCE 1/1        275               180      95      253
..................................................

WIND (MPH)
AVERAGE WIND SPEED              7.3
HIGHEST WIND SPEED/DIRECTION    33/300    DATE  12/25
HIGHEST GUST SPEED/DIRECTION    49/250    DATE  02/01

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR          139
NUMBER OF DAYS PC            116
NUMBER OF DAYS CLOUDY        111

AVERAGE RH (PERCENT)     71

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN               39     RAIN                      55
LIGHT RAIN              132     FREEZING RAIN              5
LT FREEZING RAIN          8     HAIL                       0
HEAVY SNOW               16     SNOW                      41
LIGHT SNOW              102     SLEET                      1
FOG                     194     FOG W/VIS <= 1/4 MILE     53
HAZE                     69

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


...YEARLY CLIMATE NARRATIVE FOR NORTHERN AND EASTERN MAINE...

2016 WILL BE REMEMBERED FOR ABOVE NORMAL TEMPERATURES FOR THE ENTIRE
REGION WITH A SPLIT PRECIPITATION REGIME FEATURING ABOVE NORMAL
PRECIPITATION ACROSS THE FAR NORTH AND SIGNIFICANTLY BELOW NORMAL
PRECIPITATION ELSEWHERE ACROSS THE REGION.

TEMPERATURES FOR THE YEAR AVERAGED 1.5 TO 2.0 DEGREES ABOVE AVERAGE
REGION WIDE. AT CARIBOU...THE MEAN OF 41.9 WAS TIED FOR THE 5TH
WARMEST WITH 2011 AND 1979 WHILE AT BANGOR THE MEAN OF 45.9 WAS TIED
AS 7TH WARMEST WITH 1991 WITH THE MEAN OF 42.1 AT HOULTON THE THE 9TH
WARMEST YEAR.

FOR PRECIPITATION...TOTAL YEARLY VALUES RANGED FROM AS LOW AS 75
PERCENT OF NORMAL ACROSS CENTRAL AND DOWNEAST AREAS WHICH WAS ALONG
THE NORTHERN EDGE OF A MAJOR NORTHEAST U.S. DROUGHT...UPWARDS TO 120
PERCENT OF NORMAL OVER PORTIONS OF THE EXTREME NORTH. AT CARIBOU...
THE YEARLY TOTAL OF 43.96 INCHES WAS THE 11TH WETTEST...WHILE AT
BANGOR IT WAS THE 13TH DRIEST.

MEMORABLE EVENTS DURING 2016:

JANUARY: TEMPERATURES WERE WELL ABOVE AVERAGE AND THE SNOW DEPTH BY
THE END OF THE MONTH WAS ONLY 20 TO 40 PERCENT OF AVERAGE.

FEBRUARY: TEMPERATURES WERE WELL ABOVE AVERAGE AND BY THE END OF THE
MONTH THERE WAS LITTLE OR NO SNOW ON THE GROUND AT THE COAST, AND
GENERALLY ONLY ONE QUARTER TO ONE THIRD OF AVERAGE ACROSS NORTHERN
AREAS.  THE METEOROLOGICAL WINTER (DECEMBER 2015 THROUGH FEBRUARY
2016) RANKED AS THE WARMEST ON RECORD AT CARIBOU AND BANGOR.

MARCH: A TOTAL OF 4.7 INCHES OF RAIN (AND MELTED SNOW) WAS OBSERVED
AT CARIBOU MAKING IT THE 6TH WETTEST MARCH ON RECORD.

APRIL: A COLD AND DRY END TO THE MONTH WITH THE LAST 10 DAYS OF THE
MONTH ALL HAVING A LOW TEMPERATURE OF 32 DEGREES OR LOWER AT
CARIBOU. NO MEASURABLE PRECIPITATION WAS OBSERVED AT CARIBOU FROM
APRIL 13TH THROUGH THE 30TH.

MAY: A LATE SEASON WINTER STORM PRODUCED 4.5 INCHES OF SNOW ON THE
16TH AT CARIBOU, WHICH WAS THE GREATEST SNOWFALL EVER OBSERVED SO
LATE IN THE SEASON.

AUGUST: A SEVERE THUNDERSTORM EARLY IN THE MORNING OF THE 6TH
PRODUCED 1.5 INCH DIAMETER HAIL AT CARIBOU AND CAUSED EXTENSIVE
DAMAGE TO VEHICLES AND ROOFS IN THE AREA.

SEPTEMBER: WARMER THAN AVERAGE TEMPERATURES DELAYED THE ONSET OF THE
FALL FOLIAGE. BY THE END OF THE MONTH FALL FOLIAGE WAS ONLY 10 TO 40
PERCENT OF PEAK FROM THE KATAHDIN REGION NORTH TO THE SAINT JOHN
VALLEY IN AN AREA WHERE THE PEAK USUALLY OCCURS AROUND THE END OF
SEPTEMBER.

OCTOBER: NO MEASURABLE SNOWFALL WAS OBSERVED AT CARIBOU, WITH THE
ONLY MEASURABLE SNOWFALL OF 1 TO 2 INCHES OBSERVED IN HIGHER
ELEVATIONS OF CENTRAL AND SOUTHERN PISCATAQUIS COUNTY ON THE MORNING
OF THE 28TH. FALL FOLIAGE PEAKED DURING THE FIRST WEEK OF THE MONTH
IN THE SAINT JOHN VALLEY, BUT NOT UNTIL MID MORNING ALONG THE DOWN
EAST COAST.

NOVEMBER: IT TIED WITH 2009 AS THE 2ND WARMEST NOVEMBER ON RECORD AT
CARIBOU.  THE LOWEST TEMPERATURE OF 23 DEGREES AT CARIBOU WAS THE
FIRST TIME THAT THE TEMPERATURE FAILED TO DROP INTO THE TEENS
DURING THE MONTH OF NOVEMBER.

THE FIRST MEASURABLE SNOW OF THE SEASON AT CARIBOU HELD OFF UNTIL
THE 21ST, THE 2ND LATEST ON RECORD.  TWO HEAVY SNOW EVENTS LATE IN
THE MONTH RESULTED IN THE MONTH ENDING WITH 20.2 INCHES OF SNOW AT
CARIBOU.  THE SNOW DEPTH OF 16 INCHES AT THE END OF THE MONTH WAS
THE 4TH GREATEST ON RECORD.

DECEMBER: A VERY SNOWY MONTH ACROSS NORTHERN AREAS WITH 41.2 INCHES
OF SNOW AT CARIBOU WHICH MADE IT THE 7TH SNOWIEST DECEMBER ON
RECORD.  THERE WERE 20 DAYS WITH MEASURABLE SNOWFALL AT CARIBOU,
WHICH WAS THE 2ND MOST ON RECORD BEHIND ONLY 2013 WHEN THERE WERE
23 DAYS WITH MEASURABLE SNOW.

$$

VJN/CB



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