Climatological Report (Monthly)
Issued by NWS Columbia, SC

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CXUS52 KCAE 011938
CLMCAE


CLIMATE REPORT
NATIONAL WEATHER SERVICE COLUMBIA SC
232 PM EST MON JAN 1 2018

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

...THE COLUMBIA METRO AIRPORT SC CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1887 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH              83   12/08/1978
                        12/04/1978
                        12/16/1971
 LOW                4   12/12/1958
HIGHEST            79   12/19        MM      MM
LOWEST             26   12/30        MM      MM
AVG. MAXIMUM     59.8              58.2     1.6
AVG. MINIMUM     39.4              35.3     4.1
MEAN             49.6              46.7     2.9
DAYS MAX >= 90      0               0.0     0.0
DAYS MAX <= 32      0               0.1    -0.1
DAYS MIN <= 32      9              12.8    -3.8
DAYS MIN <= 0       0               0.0     0.0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         9.31   2009
 MINIMUM         0.32   1955
TOTALS           3.29              3.22    0.07
DAILY AVG.       0.11              0.10    0.01
DAYS >= .01         9               9.0     0.0
DAYS >= .10         4               5.5    -1.5
DAYS >= .50         2               1.8     0.2
DAYS >= 1.00        2               0.9     1.1
GREATEST
 24 HR. TOTAL    1.64   12/08 TO 12/08
 STORM TOTAL       MM
 (MM/DD(HH))            MM

SNOWFALL (INCHES)
RECORDS
 TOTAL            8.8   1958
TOTALS            0.0               0.1    -0.1
SINCE 7/1         0.0               0.1    -0.1
DAYS >= TRACE       0               0.1    -0.1
DAYS >= 1.0         0               0.1    -0.1
GREATEST
 SNOW DEPTH         0   MM

DEGREE_DAYS
HEATING TOTAL     471               569     -98
 SINCE 7/1        849              1010    -161
COOLING TOTAL       0                 3      -3
 SINCE 1/1       2684              2170     514

FREEZE DATES
RECORD
 EARLIEST     10/15/1991
 LATEST       04/03/1964
EARLIEST                        11/05
LATEST                          03/22
.................................................

WIND (MPH)
AVERAGE WIND SPEED              5.4
RESULTANT WIND SPEED/DIRECTION   2/262
HIGHEST WIND SPEED/DIRECTION    26/280    DATE  12/12
HIGHEST GUST SPEED/DIRECTION    36/280    DATE  12/25

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR            6
NUMBER OF DAYS PC             15
NUMBER OF DAYS CLOUDY         10

AVERAGE RH (PERCENT)     68

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       4
LIGHT RAIN               11     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      16     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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