Climatological Report (Monthly)
Issued by NWS

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CXUS55 KCYS 101826
CLMRWL


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
1125 AM MST THU JAN 10 2013

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

...THE RAWLINS WY AIRPORT CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2012...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1951 TO 2013

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH              57   12/17/1962
 LOW              -35   12/21/1990
                        12/20/1990
HIGHEST            51   12/02        MM      MM       47
                        12/01
LOWEST             -7   12/31        MM      MM      -16
AVG. MAXIMUM     31.9              30.9     1.0     30.2
AVG. MINIMUM     14.8              12.1     2.7      9.2
MEAN             23.4              21.5     1.9     19.7
DAYS MAX >= 90      0               0.0                0
DAYS MAX <= 32     16              15.7               18
DAYS MIN <= 32     28              30.5               31
DAYS MIN <= 0       6               4.6                7

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         2.10   2010
 MINIMUM            T   2008
TOTALS           0.40              0.43   -0.03     0.27
DAYS >= .01        10               5.9     4.1        7
DAYS >= .10         2               1.2     0.8        1
DAYS >= .50         0               0.0     0.0        0
DAYS >= 1.00        0               0.0     0.0        0
GREATEST
 24 HR. TOTAL    0.12   12/25 TO 12/25

DEGREE_DAYS
HEATING TOTAL    1281              1348     -67     1397
 SINCE 7/1       2951              3454    -503     3267
COOLING TOTAL       0                 0       0        0
 SINCE 1/1        419               186     233      242
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              14.9
HIGHEST WIND SPEED/DIRECTION    48/210    DATE  12/02
HIGHEST GUST SPEED/DIRECTION    62/210    DATE  12/02

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR           15
NUMBER OF DAYS PC             11
NUMBER OF DAYS CLOUDY          5

AVERAGE RH (PERCENT)     64

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                3     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       2
LIGHT SNOW               13     SLEET                      0
FOG                      11     FOG W/VIS <= 1/4 MILE      1
HAZE                      3

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

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