544 CDUS45 KMSO 110737 CLIBTM CLIMATE REPORT NATIONAL WEATHER SERVICE MISSOULA, MT 137 AM MDT FRI MAY 11 2012 ................................... ...THE BUTTE MT CLIMATE SUMMARY FOR MAY 10 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 49 344 PM 81 1940 60 -11 55 MINIMUM 33 1141 PM 18 1946 32 1 34 AVERAGE 41 46 -5 45 PRECIPITATION (IN) YESTERDAY 0.07 1.03 1967 0.06 0.01 0.01 MONTH TO DATE 0.26 0.50 -0.24 0.64 SINCE OCT 1 4.22 5.22 -1.00 4.64 SINCE JAN 1 2.96 3.33 -0.37 2.84 SNOWFALL (IN) YESTERDAY MM MONTH TO DATE MM SINCE JAN 1 MM SINCE JUL 1 MM SNOW DEPTH MM DEGREE DAYS HEATING YESTERDAY 24 19 5 20 MONTH TO DATE 229 205 24 235 SINCE MAR 1 1800 2027 -227 2195 SINCE JUL 1 7940 8596 -656 8867 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 25 HIGHEST WIND DIRECTION NW (330) HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION NW (320) AVERAGE WIND SPEED 13.5 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.4 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN RELATIVE HUMIDITY (PERCENT) HIGHEST 82 400 AM LOWEST 14 300 PM AVERAGE 48 .......................................................... THE BUTTE MT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 60 81 1960 MINIMUM TEMPERATURE (F) 33 15 1967 SUNRISE AND SUNSET MAY 11 2012...........SUNRISE 602 AM MDT SUNSET 851 PM MDT MAY 12 2012...........SUNRISE 601 AM MDT SUNSET 852 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$