887 CDUS45 KRIW 220736 CLIGEY CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 1229 AM MST SUN DEC 22 2013 ................................... ...THE GREYBULL WY CLIMATE SUMMARY FOR DECEMBER 21 2013... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1998 TO 2013 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM MM MM 39 2009 28 MM 34 2003 2001 MINIMUM MM MM -21 1998 5 MM 4 AVERAGE MM 16 MM 19 PRECIPITATION (IN) YESTERDAY T 0.11 2011 0.01 -0.01 0.00 MONTH TO DATE 0.01 0.22 -0.21 0.09 SINCE DEC 1 0.01 0.22 -0.21 0.09 SINCE JAN 1 4.86 7.45 -2.59 2.31 DEGREE DAYS HEATING YESTERDAY MM 49 MM 46 MONTH TO DATE 979 977 2 810 SINCE DEC 1 979 977 2 810 SINCE JUL 1 2787 2834 -47 2422 COOLING YESTERDAY MM 0 MM 0 MONTH TO DATE 0 0 0 0 SINCE DEC 1 0 0 0 0 SINCE JAN 1 1005 669 336 977 .................................................................. WIND (MPH) HIGHEST WIND SPEED 6 HIGHEST WIND DIRECTION NW (320) HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM AVERAGE WIND SPEED 3.2 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.9 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT SNOW HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST MM LOWEST MM AVERAGE MM .......................................................... THE GREYBULL WY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 28 50 2005 MINIMUM TEMPERATURE (F) 5 -15 1998 SUNRISE AND SUNSET DECEMBER 22 2013......SUNRISE 746 AM MST SUNSET 436 PM MST DECEMBER 23 2013......SUNRISE 747 AM MST SUNSET 436 PM MST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$