991 CDUS45 KMSO 220840 CLIBTM CLIMATE REPORT NATIONAL WEATHER SERVICE MISSOULA MT 140 AM MST TUE DEC 22 2020 ................................... ...THE BUTTE MT CLIMATE SUMMARY FOR DECEMBER 21 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 51R 324 PM 50 1940 29 22 45 MINIMUM 31 122 AM -43 1983 5 26 20 AVERAGE 41 17 24 33 PRECIPITATION (IN) YESTERDAY 0.00 0.24 1988 0.02 -0.02 0.00 MONTH TO DATE 0.06 0.35 -0.29 T SINCE JAN 1 10.16 12.61 -2.45 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 24 48 -24 32 MONTH TO DATE 814 993 -179 878 SINCE DEC 1 814 993 -179 878 SINCE JUL 1 3161 3483 -322 3469 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 24 HIGHEST WIND DIRECTION S (180) HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION S (180) AVERAGE WIND SPEED 6.9 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.6 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 82 900 AM LOWEST 41 500 PM AVERAGE 62 .......................................................... THE BUTTE MT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 29 53 1933 MINIMUM TEMPERATURE (F) 5 -44 1990 SUNRISE AND SUNSET DECEMBER 22 2020......SUNRISE 810 AM MST SUNSET 448 PM MST DECEMBER 23 2020......SUNRISE 810 AM MST SUNSET 449 PM MST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$