891 CDUS45 KMSO 210738 CLIBTM CLIMATE REPORT NATIONAL WEATHER SERVICE MISSOULA, MT 138 AM MDT MON MAY 21 2012 ................................... ...THE BUTTE MT CLIMATE SUMMARY FOR MAY 20 2012... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1895 TO 2012 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 69 518 PM 83 1919 62 7 49 MINIMUM 28 544 AM 23 2003 35 -7 43 AVERAGE 49 49 0 46 PRECIPITATION (IN) YESTERDAY 0.00 1.20 1902 0.07 -0.07 0.01 MONTH TO DATE 0.29 1.15 -0.86 0.79 SINCE OCT 1 4.25 5.87 -1.62 4.79 SINCE JAN 1 2.99 3.98 -0.99 2.99 SNOWFALL (IN) YESTERDAY MM MONTH TO DATE MM SINCE JAN 1 MM SINCE JUL 1 MM SNOW DEPTH MM DEGREE DAYS HEATING YESTERDAY 16 16 0 19 MONTH TO DATE 377 380 -3 421 SINCE MAR 1 1948 2202 -254 2381 SINCE JUL 1 8088 8771 -683 9053 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 15 HIGHEST WIND DIRECTION SW (210) HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (270) AVERAGE WIND SPEED 4.6 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 78 300 AM LOWEST 22 200 PM AVERAGE 50 .......................................................... THE BUTTE MT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 63 84 1919 MINIMUM TEMPERATURE (F) 36 12 1938 SUNRISE AND SUNSET MAY 21 2012...........SUNRISE 551 AM MDT SUNSET 903 PM MDT MAY 22 2012...........SUNRISE 550 AM MDT SUNSET 904 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$