431 CDUS45 KMSO 200738 CLIBTM CLIMATE REPORT NATIONAL WEATHER SERVICE MISSOULA, MT 138 AM MDT THU APR 20 2017 ................................... ...THE BUTTE MT CLIMATE SUMMARY FOR APRIL 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 57 442 PM 78 1962 53 4 67 MINIMUM 30 505 AM -3 1941 27 3 26 AVERAGE 44 40 4 47 PRECIPITATION (IN) YESTERDAY 0.00 0.45 1929 0.04 -0.04 0.00 MONTH TO DATE 1.04 0.70 0.34 0.92 SINCE OCT 1 5.98 4.25 1.73 4.58 SINCE JAN 1 2.76 2.36 0.40 1.84 SNOWFALL (IN) YESTERDAY MM MONTH TO DATE MM SINCE JAN 1 MM SINCE JUL 1 MM SNOW DEPTH MM DEGREE DAYS HEATING YESTERDAY 21 25 -4 18 MONTH TO DATE 493 520 -27 430 SINCE MAR 1 1334 1562 -228 1392 SINCE JUL 1 8118 8131 -13 7789 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE MAR 1 0 0 0 0 SINCE JAN 1 0 0 0 0 .................................................................. WIND (MPH) HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NW (330) HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION N (340) AVERAGE WIND SPEED 4.7 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.2 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 92 100 AM LOWEST 16 500 PM AVERAGE 54 .......................................................... THE BUTTE MT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 53 77 1989 MINIMUM TEMPERATURE (F) 27 1 2008 SUNRISE AND SUNSET APRIL 20 2017.........SUNRISE 634 AM MDT SUNSET 824 PM MDT APRIL 21 2017.........SUNRISE 633 AM MDT SUNSET 825 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$