Climatological Report (Monthly)
Issued by NWS Grand Junction, CO

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CXUS55 KGJT 012008
CLMGJT

CLIMATE REPORT...CORR TO RECORD SNOWFAL YEAR
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
344 AM MST MON JAN 1 2018

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

...THE GRAND JUNCTION CO CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1893 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              66   12/06/1901
 LOW              -21   12/26/1924
HIGHEST            60   12/03        43      17       57  12/16
                        12/02
LOWEST             10   12/24        15      -5        9  12/07
                        12/22
AVG. MAXIMUM     45.5              38.5     7.0     39.4
AVG. MINIMUM     17.6              18.5    -0.9     20.5
MEAN             31.5              28.5     3.0     29.9
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      0               6.6    -6.6        3
DAYS MIN <= 32     30              30.1    -0.1       31
DAYS MIN <= 0       0               0.8    -0.8        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         2.05   2007
 MINIMUM            T   1900
TOTALS           0.04              0.59   -0.55     0.73
DAILY AVG.       0.00              0.02   -0.02     0.02
DAYS >= .01         2               5.7    -3.7        7
DAYS >= .10         0               1.9    -1.9        3
DAYS >= .50         0               0.1    -0.1        0
DAYS >= 1.00        0               0.0     0.0        0
GREATEST
 24 HR. TOTAL    0.02   12/21 TO 12/21              0.31
                        12/13 TO 12/13

SNOWFALL (INCHES)
RECORDS
TOTAL            19.0    1983
TOTALS            0.1               4.9    -4.8      3.5
SINCE 7/1         0.1               7.4    -7.3      4.0
SNOWDEPTH AVG.      0                MM      MM        0
DAYS >= 1.0         0               1.8    -1.8        2
GREATEST
 SNOW DEPTH         T   12/21                          3  12/23
 24 HR TOTAL      0.1   12/21 TO 12/21               2.8

DEGREE_DAYS
HEATING TOTAL    1030              1131    -101     1077
 SINCE 7/1       2144              2359    -215     1947
COOLING TOTAL       0                 0       0        0
 SINCE 1/1       1479              1125     354     1245
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              5.0
HIGHEST WIND SPEED/DIRECTION    31/240    DATE  12/03
HIGHEST GUST SPEED/DIRECTION    43/250    DATE  12/03

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.10
NUMBER OF DAYS FAIR           27
NUMBER OF DAYS PC              3
NUMBER OF DAYS CLOUDY          1

AVERAGE RH (PERCENT)     51

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

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

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