Climatological Report (Monthly)
Issued by NWS Caribou, ME

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CXUS51 KCAR 020717
CLMCAR


CLIMATE REPORT...PRELIMINARY
NATIONAL WEATHER SERVICE CARIBOU, ME
316 AM EDT FRI NOV 2 2018

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

...THE CARIBOU ME CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 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              82   10/09/2011
 LOW               14   10/19/1972
                        10/22/1940
HIGHEST            71   10/09     10000   -9929       79  10/04
LOWEST             16   10/27        MM      MM       28  10/13
                                                          10/03
AVG. MAXIMUM     47.6              52.0    -4.4     62.2
AVG. MINIMUM     32.3              34.6    -2.3     40.6
MEAN             40.0              43.3    -3.3     51.4
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      0               0.1    -0.1        0
DAYS MIN <= 32     18              12.5     5.5        7
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         8.73   1990
 MINIMUM         0.63   1955
TOTALS           4.08                      0.55
DAILY AVG.       0.13              0.11    0.02     0.20
DAYS >= .01        17              13.1     3.9       12
DAYS >= .10         7               7.6    -0.6        7
DAYS >= .50         3               2.2     0.8        2
DAYS >= 1.00        1               0.7     0.3        2
GREATEST
 24 HR. TOTAL    1.46   10/11 TO 10/11           10/26 TO 10/26
                                                          10/31 TO 10/31EATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                                                          10/31 TO 10/31EATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S

SNOWFALL (INCHES)
RECORDS
 TOTAL           12.1   1963
TOTALS            3.5               1.6     1.9      0.0
SINCE 7/1         3.5               1.7     1.8      0.0
SNOWDEPTH AVG.      0                MM      MM        0
DAYS >= 1.0         1               0.3     0.7        0
GREATEST
 SNOW DEPTH         2   10/25                          0  MM
 24 HR TOTAL      2.6   10/24 TO 10/24           10/31 TO 10/31
                                                          10/31 TO 10/31EATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                                                          10/31 TO 10/31EATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S

DEGREE_DAYS
HEATING TOTAL     767               673      94      414
 SINCE 7/1       1051              1140     -89      684
COOLING TOTAL       0                 0       0        1
 SINCE 1/1        410               180     230      222
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              7.6
HIGHEST WIND SPEED/DIRECTION    32/310    DATE  10/18
HIGHEST GUST SPEED/DIRECTION    45/310    DATE  10/18

SKY COVER
POSSIBLE SUNSHINE (PERCENT)    0
AVERAGE SKY COVER           0.70
NUMBER OF DAYS FAIR            8
NUMBER OF DAYS PC              8
NUMBER OF DAYS CLOUDY         15

AVERAGE RH (PERCENT)     68

WEATHER CONDITIONS. NUMBER OF DAYS WITH
  0
  4
  1
  0
  1
  1
  2
HAZE                      1

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.
-----------------------------------------------------------------------------------------
...OCTOBER 2018 MONTHLY CLIMATE NARRATIVE FOR NORTHERN AND EASTERN MAINE...

THE REGION AS A WHOLE AVERAGED 2 TO 4 DEGREES (F) BELOW THE
30-YEAR AVERAGE TEMPERATURES (1981-2010). IT RANKED AS THE 8TH
COOLEST OCTOBER AT CARIBOU, AND WAS THE COOLEST OCTOBER SINCE
2009. AT HOULTON, IT WAS THE 3RD COOLEST OCTOBER ON RECORD, AND
THE COOLEST SINCE 1974. AT BANGOR AND MILLINOCKET IT DID NOT RANK
IN THE TOP 10 COOLEST OCTOBERS ON RECORD. TEMPERATURES WERE
CONSISTENTLY BELOW AVERAGE WITH ONLY 6 DAYS WITH ABOVE AVERAGE
TEMPERATURES ALL MONTH AT CARIBOU AND BANGOR.

THE MORNING OF OCTOBER 27TH WAS VERY COLD WITH A LOW OF 10 DEGREES
AT HOULTON, WHICH NOT ONLY SMASHED THE PREVIOUS RECORD OF 16
DEGREES SET IN 1936, BUT IT WAS ALSO THE LOWEST TEMPERATURE
OBSERVED DURING THE MONTH OF OCTOBER SINCE 1978. IT ALSO TIED
WITH OCTOBER 21, 1972 AND OCTOBER 30, 1978 FOR THE ALL-TIME
LOWEST TEMPERATURE DURING THE MONTH OF OCTOBER SINCE WEATHER
RECORDS BEGAN IN 1948. ON THAT SAME MORNING AT CARIBOU, THE LOW
OF 16 DEGREES BROKE THE PREVIOUS RECORD OF 17 SET IN 1976. IT WAS
THE LOWEST TEMPERATURE OBSERVED DURING THE MONTH OF OCTOBER SINCE
1976. ON THE MORNING OF THE 27TH THE LOW OF 5 DEGREES AT ESTCOURT
STATION WAS THE LOWEST TEMPERATURE OBSERVED ANYWHERE IN THE
CONTIGUOUS U.S.

RAINFALL THIS PAST OCTOBER WAS NEAR TO SLIGHTLY ABOVE AVERAGE AND
RANGED FROM 100 TO 130 PERCENT OF NORMAL. THE FIRST SNOW FLURRIES
OF THE SEASON WERE OBSERVED ON THE 18TH AT CARIBOU AND 23RD AT
BANGOR. A TOTAL OF 3.5 INCHES OF SNOW WAS OBSERVED AT CARIBOU,
WHICH WAS THE MOST SINCE 2009. SOME LOCATIONS ACROSS NORTHERN
PISCATAQUIS COUNTY EAST INTO SOUTHERN AROOSTOOK COUNTY RECEIVED
FROM 6 TO 10 INCHES OF SNOW.  THERE WAS ANOTHER EVENT ON THE 27TH
INTO THE 28TH THAT PRODUCE FROM 1 TO 3 INCHES OF SNOW AND SLEET
FROM CARIBOU NORTH TO THE SAINT JOHN VALLEY, AND SOME LOCATIONS
RECEIVED OVER AN INCH OF SLEET, WHICH IS QUITE UNUSUAL IN OCTOBER.

THE OUTLOOK FOR NOVEMBER 2018 FROM THE CLIMATE PREDICTION CENTER
IS CALLING FOR AN INCREASED LIKELIHOOD OF ABOVE AVERAGE TEMPERATURES
AND ABOVE AVERAGE PRECIPITATION. NORMAL HIGH TEMPERATURES AT
CARIBOU RANGE FROM 45 AT THE START OF THE MONTH TO 32 BY THE END
OF THE MONTH. THE AVERAGE LOW TEMPERATURE DROPS FROM 30 TO 18. AT
BANGOR, THE AVERAGE HIGH DROPS FROM 51 TO 40, WHILE THE AVERAGE
LOW FALLS FROM 33 TO 23. AVERAGE PRECIPITATION (RAIN AND MELTED
SNOW) RANGES FROM ABOUT 3.5 INCHES ACROSS THE FAR NORTH TO ABOUT
4.25 INCHES OVER DOWNEAST AREAS. AVERAGE SNOWFALL FOR THE MONTH
RANGES FROM ABOUT 12 INCHES ACROSS THE EXTREME NORTH TO ABOUT 1 TO
2 INCHES ALONG THE DOWNEAST COAST. NEARLY 2 HOURS OF DAYLIGHT IS
LOST DURING THE MONTH OF NOVEMBER.

$$

CB/VJN



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