364 CDUS45 KMSO 220737 CLIBTM CLIMATE REPORT NATIONAL WEATHER SERVICE MISSOULA, MT 137 AM MDT TUE AUG 22 2017 ................................... ...THE BUTTE MT CLIMATE SUMMARY FOR AUGUST 21 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 79 520 PM 92 2009 79 0 86 MINIMUM 41 637 AM 29 1966 43 -2 38 AVERAGE 60 61 -1 62 PRECIPITATION (IN) YESTERDAY 0.00 1.40 1933 0.05 -0.05 0.00 MONTH TO DATE 0.15 0.93 -0.78 0.66 SINCE OCT 1 11.98 11.34 0.64 8.80 SINCE JAN 1 8.76 9.45 -0.69 6.06 SNOWFALL (IN) YESTERDAY MM MONTH TO DATE MM SINCE JAN 1 MM SINCE JUL 1 MM SNOW DEPTH MM DEGREE DAYS HEATING YESTERDAY 5 5 0 3 MONTH TO DATE 59 66 -7 92 SINCE JUN 1 302 453 -151 414 SINCE JUL 1 67 166 -99 225 COOLING YESTERDAY 0 1 -1 0 MONTH TO DATE 7 23 -16 4 SINCE JUN 1 110 74 36 51 SINCE JAN 1 110 74 36 51 .................................................................. WIND (MPH) HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION W (290) HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION W (290) AVERAGE WIND SPEED 3.8 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 62 600 AM LOWEST 16 500 PM AVERAGE 39 .......................................................... THE BUTTE MT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 78 94 1976 MINIMUM TEMPERATURE (F) 43 32 1988 SUNRISE AND SUNSET AUGUST 22 2017........SUNRISE 639 AM MDT SUNSET 826 PM MDT AUGUST 23 2017........SUNRISE 640 AM MDT SUNSET 824 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$