Climatological Report (Monthly)
Issued by NWS

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CXUS51 KCAR 040916
CLMHUL


CLIMATE REPORT
NATIONAL WEATHER SERVICE CARIBOU, ME
410 AM EST THU JAN 4 2018

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

...THE HOULTON ME CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1948 TO 2018

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              59   12/11/1969
                        12/05/1950
                        12/04/1950
 LOW              -34   12/30/1989
HIGHEST            50   12/06        MM      MM       42  12/27
LOWEST            -20   12/30        MM      MM      -17  12/20
                                                          12/19
AVG. MAXIMUM     23.2              28.6    -5.4     27.2
AVG. MINIMUM      5.7              10.3    -4.6      9.4
MEAN             14.5              19.4    -4.9     18.3
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32     21              18.7     2.3       21
DAYS MIN <= 32     31              29.8     1.2       31
DAYS MIN <= 0      12               7.4     4.6        8

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         5.63   2010
 MINIMUM         0.82   2001
TOTALS           3.24                     -0.05
DAILY AVG.       0.10              0.11   -0.01     0.09
DAYS >= .01        11              12.8    -1.8       15
DAYS >= .10         8               6.9     1.1        7
DAYS >= .50         2               2.0     0.0        2
DAYS >= 1.00        0               0.6    -0.6        0
GREATEST
 24 HR. TOTAL    0.84   12/06 TO 12/06           12/01 TO 12/01
                                                          12/01 TO 12/01
                                                          12/01 TO 12/01

SNOWFALL (INCHES)
RECORDS
 TOTAL             MM   MM
TOTALS             MM              16.4      MM       MM
SINCE 7/1          MM              24.5      MM       MM
SNOWDEPTH AVG.     MM                 5      MM       MM
DAYS >= 1.0         0               5.3    -5.3        0
GREATEST
 SNOW DEPTH        MM                                 MM  MM
 24 HR TOTAL       MM                                 MM

DEGREE_DAYS
HEATING TOTAL    1558              1412     146
..................................................

WIND (MPH)
AVERAGE WIND SPEED              6.8
HIGHEST WIND SPEED/DIRECTION    30/250    DATE  12/26
HIGHEST GUST SPEED/DIRECTION    47/250    DATE  12/26

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR           10
NUMBER OF DAYS PC             11
NUMBER OF DAYS CLOUDY         10

AVERAGE RH (PERCENT)     77

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       3
LIGHT RAIN                5     FREEZING RAIN              2
LT FREEZING RAIN          2     HAIL                       0
HEAVY SNOW                1     SNOW                       5
LIGHT SNOW               17     SLEET                      0
FOG                      15     FOG W/VIS <= 1/4 MILE      1
HAZE                      5

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

$$


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