Climatological Report (Daily)
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000
CDUS45 KRIW 180741
CLIBYG


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1241 AM MST MON DEC 18 2017


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

...THE BUFFALO WY CLIMATE SUMMARY FOR DECEMBER 17 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         33    219 PM  65    1998  36     -3        5
  MINIMUM         17    543 AM -20    2016  15      2      -20
  AVERAGE         25                        25      0       -7

PRECIPITATION (IN)
  YESTERDAY        0.00          0.18 2000   0.01  -0.01      T
  MONTH TO DATE    0.28                      0.24   0.04     0.12
  SINCE DEC 1      0.28                      0.24   0.04     0.12
  SINCE JAN 1     14.85                     13.29   1.56    12.16

DEGREE DAYS
 HEATING
  YESTERDAY       40                        40      0       72
  MONTH TO DATE  472                       668   -196      859
  SINCE DEC 1    472                       668   -196      859
  SINCE JUL 1   2134                      2502   -368     2041

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    622                       492    130      632
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION     W (250)
  HIGHEST GUST SPEED    11   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED     3.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.4


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG
  FOG W/VISIBILITY <= 1/4 MILE
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    84           100 AM
 LOWEST     47          1100 PM
 AVERAGE    66

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


THE BUFFALO WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   36        54      2011
 MINIMUM TEMPERATURE (F)   15        -8      2005


SUNRISE AND SUNSET
DECEMBER 18 2017......SUNRISE   738 AM MST   SUNSET   429 PM MST
DECEMBER 19 2017......SUNRISE   739 AM MST   SUNSET   430 PM MST


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




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