370 CDUS45 KRIW 210740 CLIBYG CLIMATE REPORT NATIONAL WEATHER SERVICE RIVERTON WY 132 AM MDT SUN APR 21 2013 ................................... ...THE BUFFALO WY CLIMATE SUMMARY FOR APRIL 20 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 53 142 PM 68 2012 55 -2 68 2009 MINIMUM 32 446 AM 17 2008 34 -2 33 AVERAGE 43 45 -2 51 PRECIPITATION (IN) YESTERDAY T 0.75 1999 0.04 -0.04 T MONTH TO DATE 0.36 0.66 -0.30 0.86 SINCE MAR 1 0.44 1.58 -1.14 0.92 SINCE JAN 1 1.05 2.35 -1.30 1.63 DEGREE DAYS HEATING YESTERDAY 22 20 2 14 MONTH TO DATE 580 468 112 407 SINCE MAR 1 1515 1418 97 989 SINCE JUL 1 6464 6658 -194 5919 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE MAR 1 0 0 0 0 SINCE JAN 1 0 0 0 0 .................................................................. WIND (MPH) HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NW (330) HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NW (330) AVERAGE WIND SPEED 6.6 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.8 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 79 800 PM LOWEST 39 1000 AM AVERAGE 59 .......................................................... THE BUFFALO WY CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 56 72 2009 MINIMUM TEMPERATURE (F) 34 14 2008 SUNRISE AND SUNSET APRIL 21 2013.........SUNRISE 613 AM MDT SUNSET 759 PM MDT APRIL 22 2013.........SUNRISE 611 AM MDT SUNSET 800 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$