824 CDUS45 KMSO 210838 CLIBTM CLIMATE REPORT NATIONAL WEATHER SERVICE MISSOULA MT 138 AM MST MON DEC 21 2020 ................................... ...THE BUTTE MT CLIMATE SUMMARY FOR DECEMBER 20 2020... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1895 TO 2020 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 44 212 PM 49 1958 29 15 44 MINIMUM 33 1106 PM -36 1998 5 28 24 AVERAGE 39 17 22 34 PRECIPITATION (IN) YESTERDAY 0.00 0.25 1941 0.02 -0.02 0.00 MONTH TO DATE 0.06 0.33 -0.27 T SINCE JAN 1 10.16 12.59 -2.43 12.57 SNOWFALL (IN) YESTERDAY MM MONTH TO DATE MM SINCE DEC 1 MM SINCE JUL 1 MM SNOW DEPTH MM DEGREE DAYS HEATING YESTERDAY 26 48 -22 31 MONTH TO DATE 790 945 -155 846 SINCE DEC 1 790 945 -155 846 SINCE JUL 1 3137 3435 -298 3437 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE DEC 1 0 0 0 0 SINCE JAN 1 87 81 6 84 ................................................................... WIND (MPH) HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION SW (240) HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION W (250) AVERAGE WIND SPEED 9.7 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.7 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 72 1100 PM LOWEST 44 1200 AM AVERAGE 58 .......................................................... THE BUTTE MT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 29 50 1940 MINIMUM TEMPERATURE (F) 5 -43 1983 SUNRISE AND SUNSET DECEMBER 21 2020......SUNRISE 809 AM MST SUNSET 448 PM MST DECEMBER 22 2020......SUNRISE 810 AM MST SUNSET 448 PM MST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$