Climatological Report (Monthly)
Issued by NWS Brownsville, TX

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115
CXUS44 KBRO 011718
CLMHRL


CLIMATE REPORT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1115 AM CST MON JAN 1 2018

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

...THE HARLINGEN CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1912 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
HIGHEST            88   12/05        85       3       86  12/26
                                                          12/13
                                                          12/03
LOWEST             33   12/08        33       0       36  12/19
AVG. MAXIMUM     69.9              71.5    -1.6     75.6
AVG. MINIMUM     50.4              49.9     0.5     57.5
MEAN             60.2              60.7    -0.5     66.6
DAYS MAX >= 90      0               0.1    -0.1        0
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      0               0.4    -0.4        0
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
TOTALS           1.01              1.26   -0.25     1.33
DAILY AVG.       0.03              0.04   -0.01     0.04
DAYS >= .01        12                MM      MM       13
DAYS >= .10         3                MM      MM
DAYS >= .50         0                MM      MM
DAYS >= 1.00        0                MM      MM
GREATEST
 24 HR. TOTAL    0.44   12/07 TO 12/07           12/02 TO 12/03
                                                          12/31 TO 12/31
                                                          12/31 TO 12/31

SNOWFALL (INCHES)
RECORDS
 24 HR TOTAL       MM
TOTALS            1.0                MM      MM      0.0
 LIQUID EQUIV    0.10                MM      MM     0.00
SINCE 7/1         1.0                MM      MM      0.0
 LIQUID 7/1      0.10
DAYS >= TRACE       1                MM      MM        0
DAYS >= 1.0         1                MM      MM        0
GREATEST
 SNOW DEPTH         1   12/08                          0  MM
 24 HR TOTAL      1.0   12/08 TO 12/08               0.0

DEGREE_DAYS
HEATING TOTAL     227               191      36      102
 SINCE 7/1        270               248      22      117
COOLING TOTAL      85                58      27      157
 SINCE 1/1       4740              3992     748     4795

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

WIND (MPH)
AVERAGE WIND SPEED              10.5
HIGHEST WIND SPEED/DIRECTION    37/180    DATE  12/22
HIGHEST GUST SPEED/DIRECTION    45/180    DATE  12/22

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR           10
NUMBER OF DAYS PC              8
NUMBER OF DAYS CLOUDY         13

AVERAGE RH (PERCENT)     80

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               1
HEAVY RAIN                2     RAIN                       1
LIGHT RAIN               15     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       1
LIGHT SNOW                1     SLEET                      0
FOG                      24     FOG W/VIS <= 1/4 MILE      3
HAZE                      1

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

$$




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