CDUS45 KTFX 181426 CLIHLN CLIMATE REPORT NATIONAL WEATHER SERVICE GREAT FALLS MT 826 AM MDT MON MAY 18 2026 ................................... ...THE HELENA MT CLIMATE SUMMARY FOR MAY 17 2026... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1866 TO 2026 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 45 323 PM 90 2006 67 -22 68 MINIMUM 33 839 AM 26 1943 42 -9 40 AVERAGE 39 54 -15 54 PRECIPITATION (IN) YESTERDAY 0.02 0.84 2017 0.07 -0.05 0.09 MONTH TO DATE 0.10 0.85 -0.75 2.95 SINCE OCT 1 6.19 5.03 1.16 6.62 SINCE JAN 1 3.52 3.20 0.32 5.86 SNOWFALL (IN) YESTERDAY T 4.0 1903 0.0 0.0 0.0 MONTH TO DATE T 0.1 -0.1 0.0 SINCE MAR 1 9.3 7.6 1.7 1.0 SINCE JUL 1 22.3 37.2 -14.9 36.8 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 26 11 15 11 MONTH TO DATE 181 226 -45 164 SINCE MAR 1 1481 1738 -257 1398 SINCE JUL 1 5773 7232 -1459 6470 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 1 0 1 4 SINCE MAR 1 1 0 1 4 SINCE JAN 1 1 0 1 4 ................................................................... WIND (MPH) HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION N (340) HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION NW (330) AVERAGE WIND SPEED 9.9 SKY COVER AVERAGE SKY COVER 0.8 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN LIGHT SNOW FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 96 800 AM LOWEST 50 100 AM AVERAGE 73 .......................................................... THE HELENA MT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 67 91 2006 MINIMUM TEMPERATURE (F)42 26 1903 SUNRISE AND SUNSET MAY 18 2026...........SUNRISE 550 AM MDT SUNSET 859 PM MDT MAY 19 2026...........SUNRISE 549 AM MDT SUNSET 900 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$