Climatological Report (Daily)
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CDUS45 KTFX 170759
CLIGTF

CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
159 AM MDT SAT MAY 17 2025

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

...THE GREAT FALLS MT CLIMATE SUMMARY FOR MAY 16 2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1886 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         60    338 PM  92    1988  65     -5       76
  MINIMUM         32    520 AM  30    1942  39     -7       50
                                      1974
  AVERAGE         46                        52     -6       63

PRECIPITATION (IN)
  YESTERDAY        T             1.71 1894   0.08  -0.08     0.00
  MONTH TO DATE    1.87                      0.99   0.88     1.79
  SINCE OCT 1      6.63                      6.82  -0.19     8.72
  SINCE JAN 1      5.55                      4.54   1.01     6.62

SNOWFALL (IN)
  YESTERDAY        0.0           2.5  1955   0.0    0.0      0.0
  MONTH TO DATE    0.0                       1.4   -1.4      2.2
  SINCE MAR 1      5.2                      20.9  -15.7     14.5
  SINCE JUL 1     47.2                      65.3  -18.1     51.8
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       19                        13      6        2
  MONTH TO DATE  180                       254    -74      245
  SINCE MAR 1   1580                      1890   -310     1884
  SINCE JUL 1   6879                      7360   -481     6709

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    2                         0      2        0
  SINCE MAR 1      2                         0      2        0
  SINCE JAN 1      2                         0      2        0
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     S (170)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION    SW (230)
  AVERAGE WIND SPEED     7.2


SKY COVER
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           500 AM
 LOWEST     34           400 PM
 AVERAGE    67

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


THE GREAT FALLS MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   65        87      2006
 MINIMUM TEMPERATURE (F)   39        26      2003


SUNRISE AND SUNSET
MAY 17 2025...........SUNRISE   546 AM MDT   SUNSET   859 PM MDT
MAY 18 2025...........SUNRISE   544 AM MDT   SUNSET   900 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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