Climatological Report (Monthly)
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CXUS55 KTFX 010919
CLMHLN

CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
319 AM MDT MON MAY 01 2023

...................................

...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
................................................................
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      8                2.1     5.9
DAYS >= 1.0        2                1.2     0.8
GREATEST
 SNOW DEPTH        1   04/13
                       04/20
                       04/21
 24 HR TOTAL     5.5

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
................................................................

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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