Climatological Report (Monthly) Issued by NWS
000
CXUS55 KTFX 010822
CLMHLN
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
222 AM MDT MON MAY 01 2023
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...THE HELENA MT CLIMATE SUMMARY FOR THE MONTH OF APRIL 2023...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1866 TO 2023
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 80 04/30 61 19 80 04/08
LOWEST 17 04/05 28 -11 10 04/14
AVG. MAXIMUM 56.3 56.7 -0.4 50.6
AVG. MINIMUM 31.8 32.4 -0.6 27.0
MEAN 44.1 44.5 -0.4 38.8
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 0 0.4 -0.4 3
DAYS MIN <= 32 15 15.1 -0.1 23
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 3.00 1975
MINIMUM 0.01
TOTALS 1.04 1.02 0.02 0.74
DAYS >= .01 8 8.8 -0.8
DAYS >= .10 4 3.5 0.5
DAYS >= .50 0 0.2 -0.2
DAYS >= 1.00 0 0.0 0.0
GREATEST
24 HR. TOTAL 0.40 04/12 TO 04/13
SNOWFALL (INCHES)
RECORDS
TOTAL 22.2 1880
24 HR TOTAL 12.9 04/23/1960 TO 04/23/1960
TOTALS 5.5 2.9 2.6 1.3
SINCE 7/1 48.3 37.1 11.2
SNOWDEPTH AVG. T
DAYS >= TRACE 7 2.1 4.9
DAYS >= 1.0 2 1.2 0.8
GREATEST
SNOW DEPTH 1 04/13
24 HR TOTAL 4.0 04/20 TO 04/20
DEGREE DAYS
HEATING TOTAL 618 614 4 778
SINCE 7/1 7298 7005 293 MM
COOLING TOTAL 0 0 0 0
SINCE 1/1 0 0 0 MM
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WIND (MPH)
AVERAGE WIND SPEED 8.2
HIGHEST WIND SPEED/DIRECTION 40/280 DATE 04/01
HIGHEST GUST SPEED/DIRECTION 53/270 DATE 04/01
SKY COVER
AVERAGE SKY COVER 0.42
AVERAGE RH (PERCENT) 55
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 1
LIGHT RAIN 6 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 1 SNOW 2
LIGHT SNOW 8 SLEET 0
FOG 6 FOG W/VIS <= 1/4 MILE 1
HAZE 3
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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