Climatological Report (Annual)
Issued by NWS Billings, MT

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000
CXUS55 KBYZ 022147
CLABIL


CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
232 PM MST WED JAN 2 2019

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

...THE BILLINGS MT CLIMATE SUMMARY FOR THE YEAR OF 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1934 TO 2019

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH             108   07/14/2002
 LOW              -38   02/15/1936
HIGHEST           103   08/12
LOWEST            -15   02/20
AVG. MAXIMUM     57.0              59.5    -2.5
AVG. MINIMUM     35.4              36.8    -1.4
MEAN             46.2              48.2    -2.0
DAYS MAX >= 90     21                      -7.4
DAYS MAX <= 32     42                       5.1
DAYS MIN <= 32    153                      15.0
DAYS MIN <= 0      18                       4.5

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        26.81   1978
 MINIMUM         6.86   2012
TOTALS          19.01             13.66    5.35
DAYS >= .01       118                      21.5
DAYS >= .10        49                      10.9
DAYS >= .50         9                       3.8
DAYS >= 1.00        4                       3.1

SNOWFALL (INCHES)
RECORDS
 TOTAL          127.9   1955
TOTALS           83.6              55.0    28.6
DAYS >= TRACE      76              38.7    37.3
DAYS >= 1.0        24              17.4     6.6
GREATEST
 SNOW DEPTH        16   01/01

DEGREE_DAYS
HEATING TOTAL    7241              6781     460
COOLING TOTAL     554               637     -83

FREEZE DATES
RECORD
 EARLIEST     09/04/1962
 LATEST       06/13/1969
EARLIEST        09/30           10/04
LATEST          04/23           05/07
.................................................

WIND (MPH)
AVERAGE WIND SPEED              10.4
RESULTANT WIND SPEED/DIRECTION   4/259
HIGHEST WIND SPEED/DIRECTION    48/290    DATE  06/21
HIGHEST GUST SPEED/DIRECTION    58/270    DATE  12/21


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             45     MIXED PRECIP               0
HEAVY RAIN               18     RAIN                      24
LIGHT RAIN               99     FREEZING RAIN              1
LT FREEZING RAIN          4     HAIL                       7
HEAVY SNOW                6     SNOW                      26
LIGHT SNOW               71     SLEET                      6
FOG                     119     FOG W/VIS <= 1/4 MILE     22
HAZE                     30

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

$$





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