209 CDUS45 KBYZ 210933 CLIBIL CLIMATE REPORT NATIONAL WEATHER SERVICE BILLINGS MT 333 AM MDT TUE OCT 21 2025 ................................... ...THE BILLINGS MT CLIMATE SUMMARY FOR OCTOBER 20 2025... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1934 TO 2025 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 55 315 PM 82 1947 57 -2 74 MINIMUM 37 1043 PM 20 1949 35 2 51 AVERAGE 46 46 0 63 PRECIPITATION (IN) YESTERDAY 0.00 0.53 1949 0.04 -0.04 0.00 MONTH TO DATE 1.91 1.00 0.91 0.28 SINCE OCT 1 1.91 1.00 0.91 0.28 SINCE JAN 1 16.31 12.77 3.54 10.94 SNOWFALL (IN) YESTERDAY 0.0 9.3 1949 0.1 -0.1 0.0 MONTH TO DATE T 2.6 -2.6 0.0 SINCE SEP 1 T 2.9 -2.9 0.0 SINCE JUL 1 T 2.9 -2.9 T SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 19 19 0 2 MONTH TO DATE 278 298 -20 133 SINCE SEP 1 325 466 -141 188 SINCE JUL 1 341 502 -161 202 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 1 1 0 5 SINCE SEP 1 74 63 11 123 SINCE JAN 1 659 658 1 790 ................................................................... WIND (MPH) HIGHEST WIND SPEED 35 HIGHEST WIND DIRECTION NW (300) HIGHEST GUST SPEED 50 HIGHEST GUST DIRECTION W (290) AVERAGE WIND SPEED 15.5 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.5 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 70 100 AM LOWEST 26 300 PM AVERAGE 48 .......................................................... THE BILLINGS MT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 56 85 2003 MINIMUM TEMPERATURE (F) 35 19 1949 1981 1984 SUNRISE AND SUNSET OCTOBER 21 2025.......SUNRISE 739 AM MDT SUNSET 617 PM MDT OCTOBER 22 2025.......SUNRISE 741 AM MDT SUNSET 616 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$