Climatological Report (Annual)
Issued by NWS Billings, MT

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000
CXUS55 KBYZ 011910
CLAMLS

CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
1210 PM MST FRI JAN 01 2021

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

...THE MILES CITY MT CLIMATE SUMMARY FOR THE YEAR OF 2020...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1937 TO 2020

WEATHER         OBSERVED          NORMAL  DEPART
                VALUE   DATE(S)   VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH            111   06/26/2012
 LOW             -38   12/24/1983
HIGHEST          102   07/22
LOWEST           -14   01/14
AVG. MAXIMUM    60.1               58.5     1.6
AVG. MINIMUM    34.0               33.6     0.4
MEAN            47.1               46.1     1.0
DAYS MAX >= 90    39                        3.2
DAYS MAX <= 32    43                       -7.6
DAYS MIN <= 32   185                       15.8
DAYS MIN <= 0     14                      -10.4

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       20.28   1978
 MINIMUM        5.27   1988
TOTALS         10.77              12.44   -1.67
DAYS >= .01       82                       -1.6
DAYS >= .10       29                       -3.0
DAYS >= .50        6                        0.0
DAYS >= 1.00       0                       -1.3


DEGREE DAYS
HEATING TOTAL   7175               7639    -464
COOLING TOTAL    731                731       0

FREEZE DATES
RECORD
 EARLIEST     09/02/1974
 LATEST       06/08/1950
EARLIEST                        09/08
LATEST                          05/11
................................................

WIND (MPH)
AVERAGE WIND SPEED              9.7
RESULTANT WIND SPEED/DIRECTION   2/290
HIGHEST WIND SPEED/DIRECTION    58/310    DATE  07/07
HIGHEST GUST SPEED/DIRECTION    74/300    DATE  07/07


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             27     MIXED PRECIP               0
HEAVY RAIN               16     RAIN                      25
LIGHT RAIN              111     FREEZING RAIN              0
LT FREEZING RAIN          4     HAIL                       0
HEAVY SNOW                4     SNOW                      13
LIGHT SNOW               66     SLEET                      0
FOG                      97     FOG W/VIS <= 1/4 MILE     15
HAZE                     40

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

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