Climatological Report (Daily)
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375
CDUS45 KTFX 100735
CLIHLN

CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
135 AM MDT FRI MAY 10 2024

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

...THE HELENA MT CLIMATE SUMMARY FOR MAY 9 2024...

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)
 YESTERDAY
  MAXIMUM         62    538 PM  84    1987  64     -2       60
                                      1994
  MINIMUM         42    432 AM  24    2002  39      3       45
  AVERAGE         52                        52      0       53

PRECIPITATION (IN)
  YESTERDAY        0.01          1.12 1905   0.05  -0.04     0.05
  MONTH TO DATE    1.02                      0.37   0.65     0.52
  SINCE OCT 1      6.74                      4.55   2.19     6.84
  SINCE JAN 1      5.22                      2.72   2.50     3.43

SNOWFALL (IN)
  YESTERDAY        0.0           8.0  1983   0.0    0.0      0.0
  MONTH TO DATE    0.5                       0.1    0.4      0.0
  SINCE MAR 1     10.2                       7.6    2.6     21.6
  SINCE JUL 1     57.9                      37.2   20.7     48.3
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       13                        13      0       12
  MONTH TO DATE  167                       131     36       56
  SINCE MAR 1   1528                      1643   -115     1769
  SINCE JUL 1   6578                      7137   -559     7354

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        1
  SINCE MAR 1      0                         0      0        1
  SINCE JAN 1      0                         0      0        1
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION    NW (320)
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION    NW (300)
  AVERAGE WIND SPEED     4.6


SKY COVER
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    85           100 AM
 LOWEST     44           500 PM
 AVERAGE    65

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


THE HELENA MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   65        88      1940
 MINIMUM TEMPERATURE (F)   40        23      1946


SUNRISE AND SUNSET
MAY 10 2024...........SUNRISE   559 AM MDT   SUNSET   850 PM MDT
MAY 11 2024...........SUNRISE   558 AM MDT   SUNSET   851 PM MDT


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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