841 CDUS45 KMSO 200941 CLIBTM CLIMATE REPORT NATIONAL WEATHER SERVICE MISSOULA, MT 341 AM MDT WED SEP 20 2017 ................................... ...THE BUTTE MT CLIMATE SUMMARY FOR SEPTEMBER 19 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 47 1201 PM 86 2009 67 -20 70 1956 MINIMUM 33 625 AM 16 1983 34 -1 41 AVERAGE 40 51 -11 56 PRECIPITATION (IN) YESTERDAY 0.03 0.68 1968 0.04 -0.01 0.00 MONTH TO DATE 1.27 0.67 0.60 0.84 SINCE OCT 1 13.26 12.44 0.82 9.64 SINCE JAN 1 10.04 10.55 -0.51 6.90 SNOWFALL (IN) YESTERDAY MM MONTH TO DATE MM SINCE JAN 1 MM SINCE JUL 1 MM SNOW DEPTH MM DEGREE DAYS HEATING YESTERDAY 25 14 11 9 MONTH TO DATE 163 208 -45 268 SINCE SEP 1 163 208 -45 268 SINCE JUL 1 236 436 -200 566 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 5 0 5 3 SINCE SEP 1 5 0 5 3 SINCE JAN 1 129 79 50 57 .................................................................. WIND (MPH) HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (310) HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NW (320) AVERAGE WIND SPEED 4.1 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.8 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN LIGHT SNOW FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 100 100 AM LOWEST 42 1200 PM AVERAGE 71 .......................................................... THE BUTTE MT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 66 83 1918 MINIMUM TEMPERATURE (F) 34 8 1983 SUNRISE AND SUNSET SEPTEMBER 20 2017.....SUNRISE 715 AM MDT SUNSET 731 PM MDT SEPTEMBER 21 2017.....SUNRISE 716 AM MDT SUNSET 729 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$