717 CDUS45 KMSO 310739 CLIBTM CLIMATE REPORT NATIONAL WEATHER SERVICE MISSOULA, MT 1238 AM MST SUN DEC 31 2017 ................................... ...THE BUTTE MT CLIMATE SUMMARY FOR DECEMBER 30 2017... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1895 TO 2017 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 33 251 PM 55 1917 30 3 42 MINIMUM 16 532 AM -42 1978 6 10 8 AVERAGE 25 18 7 25 PRECIPITATION (IN) YESTERDAY 0.02 0.22 2004 0.01 0.01 0.00 MONTH TO DATE 0.53 0.49 0.04 0.44 SINCE OCT 1 1.44 1.87 -0.43 3.22 SINCE JAN 1 11.97 12.75 -0.78 10.60 SNOWFALL (IN) YESTERDAY MM MONTH TO DATE MM SINCE JAN 1 MM SINCE JUL 1 MM SNOW DEPTH MM DEGREE DAYS HEATING YESTERDAY 40 47 -7 40 MONTH TO DATE 1388 1423 -35 1584 SINCE DEC 1 1388 1423 -35 1584 SINCE JUL 1 3783 3913 -130 3878 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE DEC 1 0 0 0 0 SINCE JAN 1 129 81 48 57 .................................................................. WIND (MPH) HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (300) HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION NW (300) AVERAGE WIND SPEED 6.5 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.8 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. SNOW LIGHT SNOW FOG HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 84 600 AM LOWEST 47 300 PM AVERAGE 66 .......................................................... THE BUTTE MT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 30 53 1917 MINIMUM TEMPERATURE (F) 6 -39 1978 SUNRISE AND SUNSET DECEMBER 31 2017......SUNRISE 812 AM MST SUNSET 455 PM MST JANUARY 1 2018.......SUNRISE 812 AM MST SUNSET 456 PM MST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$