CDUS45 KTFX 190731 CLILWT CLIMATE REPORT NATIONAL WEATHER SERVICE GREAT FALLS MT 131 AM MDT TUE MAY 19 2026 ................................... ...THE LEWISTOWN MT CLIMATE SUMMARY FOR MAY 18 2026... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1896 TO 2026 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM MM MM 86 1937 64 MM 52 MINIMUM MM MM 23 1929 38 MM 42 AVERAGE MM 51 MM 47 PRECIPITATION (IN) YESTERDAY MM 1.82 1959 0.10 MM 0.20 MONTH TO DATE 0.45 1.41 -0.96 2.54 SINCE OCT 1 8.01 7.51 0.50 6.71 SINCE JAN 1 5.42 5.06 0.36 5.34 SNOWFALL (IN) YESTERDAY MM SNOW DEPTH MM DEGREE DAYS HEATING YESTERDAY MM 14 MM 18 MONTH TO DATE 217 308 -91 249 SINCE MAR 1 1765 2028 -263 1814 SINCE JUL 1 6452 7794 -1342 7376 COOLING YESTERDAY MM 0 MM 0 MONTH TO DATE 0 0 0 2 SINCE MAR 1 0 0 0 2 SINCE JAN 1 0 0 0 2 ................................................................... WIND (MPH) HIGHEST WIND SPEED MM HIGHEST WIND DIRECTION MM HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM AVERAGE WIND SPEED MM SKY COVER AVERAGE SKY COVER MM WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST MM LOWEST MM AVERAGE MM .......................................................... THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 64 87 1954 MINIMUM TEMPERATURE (F) 39 25 1997 SUNRISE AND SUNSET MAY 19 2026...........SUNRISE 538 AM MDT SUNSET 852 PM MDT MAY 20 2026...........SUNRISE 536 AM MDT SUNSET 853 PM MDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$