Climatological Report (Monthly)
Issued by NWS Billings, MT

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000
CXUS55 KBYZ 011241
CLMBIL


CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
538 AM MST THU FEB 1 2018

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

...THE BILLINGS MT CLIMATE SUMMARY FOR THE MONTH OF JANUARY 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1934 TO 2018

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
HIGHEST            53   01/30
LOWEST            -13   01/01
AVG. MAXIMUM     35.8              36.4    -0.6
AVG. MINIMUM     17.7              17.8    -0.1
MEAN             26.8              27.1    -0.3
DAYS MAX >= 90      0
DAYS MAX <= 32      6
DAYS MIN <= 32     29
DAYS MIN <= 0       6

PRECIPITATION (INCHES)
TOTALS           0.60              0.48    0.12
DAYS >= .01         6
DAYS >= .10         3
DAYS >= .50         0
DAYS >= 1.00        0
GREATEST
 24 HR. TOTAL    0.25   01/10 TO 01/10

SNOWFALL (INCHES)
TOTALS            7.0               8.4    -1.4
SINCE 7/1        44.5              28.3    16.2
SNOWDEPTH AVG.      4
DAYS >= TRACE       6
DAYS >= 1.0         2
GREATEST
 SNOW DEPTH        16   01/01
 24 HR TOTAL      4.6   01/10 TO 01/10

DEGREE_DAYS
HEATING TOTAL    1175              1175       0
 SINCE 7/1       4028              3996      32
COOLING TOTAL       0                 0       0
 SINCE 1/1          0                 0       0
.................................................

WIND (MPH)
AVERAGE WIND SPEED              13.9
HIGHEST WIND SPEED/DIRECTION    41/320    DATE  01/30
HIGHEST GUST SPEED/DIRECTION    53/310    DATE  01/30

AVERAGE RH (PERCENT)     66

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       1
LIGHT RAIN                3     FREEZING RAIN              0
LT FREEZING RAIN          1     HAIL                       0
HEAVY SNOW                1     SNOW                       2
LIGHT SNOW                5     SLEET                      1
FOG                       7     FOG W/VIS <= 1/4 MILE      1
HAZE                      2

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

&&

...JANUARY 2018 MONTH IN REVIEW FOR BILLINGS...

BELOW IS A SUMMARY OF THE TEMPERATURE...PRECIPITATION...AND WIND
STATISTICS FOR BILLINGS FOR JANUARY 2018. ALL TEMPERATURES ARE IN
DEGREES FAHRENHEIT AND ALL PRECIPITATION AMOUNTS ARE IN INCHES. NORMALS
ARE 30 YEAR AVERAGES CALCULATED FROM 1981 TO 2010. MONTHLY RANKINGS
FOR PRECIPITATION...SNOWFALL...AND TEMPERATURES USE A PERIOD OF RECORD
THAT STARTED IN AUGUST 1934 AT THE BILLINGS AIRPORT. MONTHLY RANKINGS
FOR WIND USE A PERIOD OF RECORD THAT STARTED IN 1984.

NUMBERS DENOTED WITH AN * IS MISSING DATA IN THE CALCULATION.

...BILLINGS MONTHLY PRECIPITATION...

 MONTH   2018 VALUES  NORMALS    DEPARTURE  RANKING

JANUARY      0.60     0.48       +0.12      38TH WETTEST OUT OF 84 YEARS
                                            (RECORD WETTEST WAS 2.35 IN 1972)
                                            (WETTEST SINCE 0.63 IN 2017)

...BILLINGS JANUARY 2018 BROKEN OR TIED DAILY PRECIPITATION RECORDS...

0.25 ON JANUARY 10 (OLD RECORD 0.16 IN 2007)

...BILLINGS MONTHLY SNOWFALL...

 MONTH   2018 VALUES  NORMALS    DEPARTURE  RANKING

JANUARY       7.0       8.4       -1.4      32ND LEAST SNOWIEST OUT OF 84 YEARS
                                            (RECORD LEAST SNOWIEST WAS 0.1 TIED IN 2006)
                                            (LEAST SNOWIEST SINCE 6.4 IN 2016)

...BILLINGS JANUARY 2018 BROKEN OR TIED DAILY SNOWFALL RECORDS...

4.6 ON JANUARY 10 (OLD RECORD 3.2 IN 2007)

...BILLINGS AVERAGE TEMPERATURES...

 MONTH   2018 VALUES  NORMALS   DEPARTURE  RANKING

JANUARY      26.8      27.1      -0.3      37TH WARMEST OUT OF 84 YEARS
                                           (RECORD WARMEST WAS 38.0 IN 2006)
                                           (WARMEST SINCE 29.9 IN 2016)

...BILLINGS AVERAGE HIGH TEMPERATURES...

 MONTH   2018 VALUES  NORMALS   DEPARTURE  RANKING

JANUARY      35.8      36.4      -0.6      TIED FOR THE 37TH WARMEST OUT OF 84 YEARS
                                           (RECORD WARMEST WAS 47.3 IN 2006)
                                           (WARMEST SINCE 37.2 IN 2016)

...BILLINGS JANUARY 2018 BROKEN OR TIED WARMEST DAILY HIGH TEMPERATURE RECORDS...

NONE

...BILLINGS JANUARY 2018 BROKEN OR TIED COLDEST DAILY HIGH TEMPERATURE RECORDS...

NONE

...BILLINGS AVERAGE LOW TEMPERATURES...

 MONTH   2018 VALUES  NORMALS   DEPARTURE  RANKING

JANUARY      17.7      17.8      -0.1      35TH WARMEST OUT OF 84 YEARS
                                           (RECORD WARMEST WAS 28.6 IN 2006)
                                           (WARMEST SINCE 22.5 IN 2016)

...BILLINGS JANUARY 2018 BROKEN OR TIED WARMEST DAILY LOW TEMPERATURE RECORDS...

NONE

...BILLINGS JANUARY 2018 BROKEN OR TIED COLDEST DAILY LOW TEMPERATURE RECORDS...

NONE

...BILLINGS MONTHLY WIND AVERAGES...

 MONTH   2018 VALUES  NORMALS    DEPARTURE  RANKING

JANUARY      13.9      13.2       +0.7      TIED FOR THE 24TH WINDIEST OUT OF 69 YEARS
                                            (RECORD WINDIEST WAS 17.7 IN 1962)
                                            (WINDIEST SINCE 14.5 IN 2015)

$$




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