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Climatological Report (Annual)
Issued by NWS Billings, MT

000
CXUS55 KBYZ 022250
CLABIL


CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
327 PM MST WED JAN 2 2013

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

...THE BILLINGS MT CLIMATE SUMMARY FOR THE YEAR OF 2012...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1934 TO 2013

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   07/03
LOWEST            -12   01/19
                        01/18
AVG. MAXIMUM     63.1              59.5     3.6
AVG. MINIMUM     38.9              36.8     2.1
MEAN             51.0              48.2     2.8
DAYS MAX >= 90     50                      21.6
DAYS MAX <= 32     27                      -9.9
DAYS MIN <= 32    127                     -11.0
DAYS MIN <= 0       6                      -7.5

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        26.81   1978
 MINIMUM         7.13   2012
TOTALS           7.13             13.66   -6.53
DAYS >= .01        74                     -22.5
DAYS >= .10        23                     -15.1
DAYS >= .50         3                      -2.2
DAYS >= 1.00        0                      -0.9
GREATEST
 24 HR. TOTAL    0.82   05/25 TO 05/26

SNOWFALL (INCHES)
RECORDS
 TOTAL          127.9   1955
TOTALS           45.6              55.0    -9.4
DAYS >= TRACE      57              38.7    18.3
DAYS >= 1.0        12              17.4    -5.4
GREATEST
 SNOW DEPTH        12   01/20
 24 HR TOTAL      9.6   01/18 TO 01/18

DEGREE_DAYS
HEATING TOTAL    5968              6781    -813
 SINCE 7/1       2541              2821    -280
COOLING TOTAL     958               637     321

FREEZE DATES
RECORD
 EARLIEST     09/04/1962
 LATEST       06/13/1969
EARLIEST         10/05          10/04
LATEST           05/26          05/07
.................................................

WIND (MPH)
AVERAGE WIND SPEED              10.3
RESULTANT WIND SPEED/DIRECTION   5/266
HIGHEST WIND SPEED/DIRECTION    49/310    DATE  02/22
HIGHEST GUST SPEED/DIRECTION    67/320    DATE  02/22


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             27     MIXED PRECIP               1
HEAVY RAIN                1     RAIN                      13
LIGHT RAIN               66     FREEZING RAIN              1
LT FREEZING RAIN          3     HAIL                       6
HEAVY SNOW                1     SNOW                      10
LIGHT SNOW               43     SLEET                      2
FOG                      60     FOG W/VIS <= 1/4 MILE     12
HAZE                     16

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

$$