Climatological Report (Monthly)
Issued by NWS
Issued by NWS
043
CXUS55 KTFX 011530
CLMHLN
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
930 AM MDT WED MAY 01 2024
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...THE HELENA MT CLIMATE SUMMARY FOR THE MONTH OF APRIL 2024...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1866 TO 2024
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 86 04/29/1992
04/25/1910
LOW -10 04/01/1936
HIGHEST 78 04/12 61 17 80 04/30
04/14
LOWEST 21 04/20 28 -7 17 04/05
AVG. MAXIMUM 59.7 56.7 3.0 56.3
AVG. MINIMUM 36.3 32.4 3.9 31.8
MEAN 48.0 44.5 3.5 44.1
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 0 0.4 -0.4 0
DAYS MIN <= 32 7 15.1 -8.1 15
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 3.00 1975
MINIMUM 0.01
TOTALS 0.77 1.02 -0.25 1.04
DAYS >= .01 7 8.8 -1.8
DAYS >= .10 2 3.5 -1.5
DAYS >= .50 0 0.2 -0.2
DAYS >= 1.00 0 0.0 0.0
GREATEST
24 HR. TOTAL 0.37 04/03 TO 04/04
SNOWFALL (INCHES)
RECORDS
TOTAL 22.2 1880
24 HR TOTAL 12.9 04/23/1960 TO 04/23/1960
TOTALS 0.4 2.9 -2.5 5.5
SINCE 7/1 57.4 37.1 20.3
SNOWDEPTH AVG. T
DAYS >= TRACE 3 2.1 0.9
DAYS >= 1.0 0 1.2 -1.2
GREATEST
SNOW DEPTH MM
24 HR TOTAL MM
DEGREE DAYS
HEATING TOTAL 499 614 -115 618
SINCE 7/1 6411 7005 -594 MM
COOLING TOTAL 0 0 0 0
SINCE 1/1 0 0 0 MM
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WIND (MPH)
AVERAGE WIND SPEED 9.2
HIGHEST WIND SPEED/DIRECTION 36/300 DATE 04/09
HIGHEST GUST SPEED/DIRECTION 51/300 DATE 04/09
SKY COVER
AVERAGE SKY COVER 0.42
AVERAGE RH (PERCENT) 48
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 2 MIXED PRECIP 0
HEAVY RAIN 1 RAIN 2
LIGHT RAIN 7 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 3 SLEET 0
FOG 4 FOG W/VIS <= 1/4 MILE 0
HAZE 2
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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