Climatological Report (Monthly)
Issued by NWS

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920
CXUS55 KVEF 011651
CLMLAS

CLIMATE REPORT
NATIONAL WEATHER SERVICE LAS VEGAS, NV
836 AM PST MON JAN 1 2018

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

...THE LAS VEGAS NV CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1937 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              78   12/02/1940
 LOW               11   12/23/1990
HIGHEST            75   12/03        67       8       70  12/15
LOWEST             33   12/22        27       6       30  12/19
                                                          12/18
AVG. MAXIMUM     62.7              56.6     6.1     56.6
AVG. MINIMUM     41.8              38.7     3.1     40.0
MEAN             52.2              47.7     4.5     48.3
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      0               3.0    -3.0        5
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         2.10   2004
 MINIMUM         0.00   1981
                        1963
                        1958
TOTALS           0.00R             0.50   -0.50     0.83
DAILY AVG.       0.00              0.02   -0.02     0.03
DAYS >= .01         0               3.0    -3.0        5
DAYS >= .10         0               1.4    -1.4        2
DAYS >= .50         0               0.2    -0.2        1
DAYS >= 1.00        0               0.1    -0.1        0
GREATEST
 24 HR. TOTAL    0.00   12/31 TO 12/31
                        12/30 TO 12/30
                        12/29 TO 12/29

SNOWFALL (INCHES)
RECORDS
 TOTAL            3.6   2008
 24 HR TOTAL      3.6
TOTALS            0.0               0.2    -0.2      0.0
SINCE 7/1         0.0
SNOWDEPTH AVG.      0
DAYS >= TRACE       0
DAYS >= 1.0         0
GREATEST
 SNOW DEPTH         0
 24 HR TOTAL      0.0   12/31 TO 12/31
 STORM TOTAL       MM
 (MM/DD(HH))

DEGREE_DAYS
HEATING TOTAL     389               538    -149      512
 SINCE 7/1        474               847    -373      679
COOLING TOTAL       0                 0       0        0
 SINCE 1/1       4044              3568     476     4002

FREEZE DATES
RECORD
 EARLIEST     10/21/1949
 LATEST       04/12/1967
EARLIEST      12/18             11/25
LATEST                          02/28
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              6.0
HIGHEST WIND SPEED/DIRECTION    39/330    DATE  12/03
HIGHEST GUST SPEED/DIRECTION    53/340    DATE  12/03

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR           16
NUMBER OF DAYS PC             14
NUMBER OF DAYS CLOUDY          1

AVERAGE RH (PERCENT)     24

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