479 CDUS45 KRIW 290751 CLIGEY CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 148 AM MDT MON APR 29 2013 ................................... ...THE GREYBULL WY CLIMATE SUMMARY FOR APRIL 28 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 65 457 PM 87 2000 65 0 46 MINIMUM 49 954 PM 28 2005 36 13 33 AVERAGE 57 50 7 40 PRECIPITATION (IN) YESTERDAY T 0.22 1999 0.03 -0.03 0.18 MONTH TO DATE 0.31 0.65 -0.34 0.48 SINCE MAR 1 0.40 1.05 -0.65 0.51 SINCE JAN 1 0.82 1.46 -0.64 0.83 DEGREE DAYS HEATING YESTERDAY 8 15 -7 25 MONTH TO DATE 646 529 117 384 SINCE MAR 1 1504 1400 104 976 SINCE JUL 1 7378 7371 7 6284 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 8 SINCE MAR 1 0 0 0 8 SINCE JAN 1 0 0 0 8 .................................................................. WIND (MPH) HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION NW (330) HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION N (350) AVERAGE WIND SPEED 8.9 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.4 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 56 1000 PM LOWEST 26 900 AM AVERAGE 41 .......................................................... THE GREYBULL WY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 65 88 2007 MINIMUM TEMPERATURE (F) 37 24 2005 SUNRISE AND SUNSET APRIL 29 2013.........SUNRISE 605 AM MDT SUNSET 815 PM MDT APRIL 30 2013.........SUNRISE 604 AM MDT SUNSET 816 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$