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CXUS55 KTFX 011538
CLMHLN
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
938 AM MDT FRI MAY 01 2026
...............................
..THE HELENA MT CLIMATE SUMMARY FOR THE MONTH OF APRIL 2026
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1866 TO 2026
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 82 04/21 61 21 74 04/10
04/15
LOWEST 26 04/19 28 -2 22 04/05
04/18
AVG. MAXIMUM 57.6 56.7 0.9 59.2
AVG. MINIMUM 33.2 32.4 0.8 33.3
MEAN 45.4 44.5 0.9 46.3
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 0 0.4 -0.4 0
DAYS MIN <= 32 15 15.1 -0.1 16
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 3.00 1975
MINIMUM 0.01
TOTALS 1.42 1.02 0.40 0.27
DAYS >= .01 8 8.8 -0.8
DAYS >= .10 4 3.5 0.5
DAYS >= .50 1 0.2 0.8
DAYS >= 1.00 0 0.0 0.0
GREATEST
24 HR. TOTAL 0.52 04/11 TO 04/11
SNOWFALL (INCHES)
RECORDS
TOTAL 22.2 1880
24 HR TOTAL 12.9 04/23/1960 TO 04/23/1960
TOTALS 1.0 2.9 -1.9 1.0
SINCE 7/1 22.3 37.1 -14.8 MM
SNOWDEPTH AVG. 0
DAYS >= TRACE 8 2.1 5.9
DAYS >= 1.0 0 1.2 -1.2
GREATEST
SNOW DEPTH 1 04/03
24 HR TOTAL 0.8 04/03 TO 04/03
DEGREE DAYS
HEATING TOTAL 582 614 -32 558
SINCE 7/1 5592 7005 -1413 MM
COOLING TOTAL 0 0 0 0
SINCE 1/1 0 0 0 MM
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WIND (MPH)
AVERAGE WIND SPEED 7.7
HIGHEST WIND SPEED/DIRECTION 37/290 DATE 04/07
HIGHEST GUST SPEED/DIRECTION 61/300 DATE 04/07
SKY COVER
AVERAGE SKY COVER 0.43
AVERAGE RH (PERCENT) 54
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 3 MIXED PRECIP 0
HEAVY RAIN 1 RAIN 2
LIGHT RAIN 7 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 1 SNOW 1
LIGHT SNOW 7 SLEET 0
FOG 8 FOG W/VIS <= 1/4 MILE 3
HAZE 4
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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