Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS45 KTFX 212240
CLIHLN
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
440 PM MDT TUE MAY 21 2024
...................................
...THE HELENA MT CLIMATE SUMMARY FOR MAY 21 2024...
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1866 TO 2024
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
TODAY
MAXIMUM 62 242 PM 89 1980 68 -6 87
MINIMUM 37 519 AM 27 1953 43 -6 53
2021
AVERAGE 50 56 -6 70
PRECIPITATION (IN)
TODAY 0.00 1.93 1981 0.07 -0.07 0.04
MONTH TO DATE 1.15 1.12 0.03 0.74
SINCE OCT 1 6.87 5.30 1.57 7.06
SINCE JAN 1 5.35 3.47 1.88 3.65
DEGREE DAYS
HEATING
TODAY 15 10 5 0
MONTH TO DATE 265 266 -1 118
SINCE MAR 1 1626 1778 -152 1831
SINCE JUL 1 6676 7272 -596 7416
COOLING
TODAY 0 0 0 5
MONTH TO DATE 0 0 0 11
SINCE MAR 1 0 0 0 11
SINCE JAN 1 0 0 0 11
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 9.5
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 70 1200 AM
LOWEST 32 100 PM
AVERAGE 51
..........................................................
THE HELENA MT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 86 1928
2001
MINIMUM TEMPERATURE (F) 44 29 2021
SUNRISE AND SUNSET
MAY 21 2024...........SUNRISE 547 AM MDT SUNSET 903 PM MDT
MAY 22 2024...........SUNRISE 546 AM MDT SUNSET 904 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$