Climatological Report (Daily)
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CDUS45 KRIW 220741
CLIP60


CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1241 AM MST MON DEC 22 2014


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

...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR DECEMBER 21 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2014


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         32   1209 PM  35    2005  23      9       20
  MINIMUM         22   1144 PM -34    1998   3     19        7
  AVERAGE         27                        13     14       14

PRECIPITATION (IN)
  YESTERDAY        0.40R         0.21 2011   0.05   0.35     0.06
  MONTH TO DATE    1.25                      0.96   0.29     1.10
  SINCE DEC 1      1.25                      0.96   0.29     1.10
  SINCE JAN 1     30.05                     19.76  10.29    19.99

DEGREE DAYS
 HEATING
  YESTERDAY       38                        52    -14       51
  MONTH TO DATE  853                      1069   -216     1218
  SINCE DEC 1    853                      1069   -216     1218
  SINCE JUL 1   4180                      4389   -209     4446

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1      0                         0      0        0
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     W (270)
  HIGHEST GUST SPEED    34   HIGHEST GUST DIRECTION    NW (310)
  AVERAGE WIND SPEED     8.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92           100 AM
 LOWEST     75           300 PM
 AVERAGE    84

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


THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   24        36      2005
 MINIMUM TEMPERATURE (F)    2       -30      1998


SUNRISE AND SUNSET
DECEMBER 22 2014......SUNRISE   756 AM MST   SUNSET   445 PM MST
DECEMBER 23 2014......SUNRISE   756 AM MST   SUNSET   446 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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