Climatological Report (Monthly)
Issued by NWS

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000
CXUS55 KBYZ 011001
CLMLVM


CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
359 AM MDT WED NOV 1 2017

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

...THE LIVINGSTON MT CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1948 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
HIGHEST            76   10/19
LOWEST             18   10/30
AVG. MAXIMUM     58.2              58.5    -0.3
AVG. MINIMUM     33.2              31.6     1.6
MEAN             45.7              45.1     0.6
DAYS MAX >= 90      0
DAYS MAX <= 32      0
DAYS MIN <= 32     16
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
TOTALS           0.24              1.26   -1.02
DAYS >= .01         5
DAYS >= .10         1
DAYS >= .50         0
DAYS >= 1.00        0
GREATEST
 24 HR. TOTAL    0.17   10/12 TO 10/12

DEGREE_DAYS
HEATING TOTAL     591               619     -28
 SINCE 7/1        930              1028     -98
COOLING TOTAL       1                 1       0
 SINCE 1/1        397               230     167
.................................................

WIND (MPH)
AVERAGE WIND SPEED              18.2
HIGHEST WIND SPEED/DIRECTION    55/260    DATE  10/06
HIGHEST GUST SPEED/DIRECTION    73/230    DATE  10/06

AVERAGE RH (PERCENT)     52

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN               10     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       1
LIGHT SNOW                7     SLEET                      0
FOG                       7     FOG W/VIS <= 1/4 MILE      0
HAZE                      1

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

&&

...OCTOBER 2017 MONTH IN REVIEW FOR LIVINGSTON...

BELOW IS A SUMMARY OF THE TEMPERATURE AND PRECIPITATION
STATISTICS FOR LIVINGSTON FOR OCTOBER 2017. 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 AND TEMPERATURES USE A PERIOD
OF RECORD THAT STARTED IN JULY 1948 AT OR NEAR THE LIVINGSTON AIRPORT.

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

... MONTHLY PRECIPITATION...

 MONTH   2017 VALUES  NORMALS    DEPARTURE  RANKING

OCTOBER      0.24     1.26       -1.02      4TH DRIEST OUT OF 70 YEARS
                                            (RECORD DRIEST WAS T IN 1987)
                                            (DRIEST SINCE T IN 1987)

... OCTOBER 2017 BROKEN OR TIED DAILY PRECIPITATION RECORDS...

NONE

NOTE: SINCE THE LATE 1990S...LIVINGSTON BECAME AN AUTOMATED AND UNATTENDED
WEATHER STATION. PRECIPITATION AMOUNTS IN THE WINTER MAY BE UNDERESTIMATED.

... AVERAGE TEMPERATURES...

 MONTH   2017 VALUES  NORMALS   DEPARTURE  RANKING

OCTOBER      45.7      45.1      +0.6      24TH COLDEST OUT OF 70 YEARS
                                           (RECORD COLDEST WAS 37.0 IN 1969)
                                           (COLDEST SINCE 42.9 IN 2013)

... AVERAGE HIGH TEMPERATURES...

 MONTH   2017 VALUES  NORMALS   DEPARTURE  RANKING

OCTOBER      58.2      58.5      -0.3      TIED FOR THE 26TH COLDEST OUT OF 70 YEARS
                                           (RECORD COLDEST WAS 45.8 IN 1969)
                                           (COLDEST SINCE 54.5 IN 2013)

... OCTOBER 2017 BROKEN OR TIED WARMEST DAILY HIGH TEMPERATURE RECORDS...

NONE

... OCTOBER 2017 BROKEN OR TIED COLDEST DAILY HIGH TEMPERATURE RECORDS...

NONE

... AVERAGE LOW TEMPERATURES...

 MONTH   2017 VALUES  NORMALS   DEPARTURE  RANKING

OCTOBER      33.2      31.6      +1.6      TIED FOR THE 24TH COLDEST OUT OF 70 YEARS
                                           (RECORD COLDEST WAS 25.5 IN 2002)
                                           (COLDEST SINCE 31.2 IN 2013)

... OCTOBER 2017 BROKEN OR TIED WARMEST DAILY LOW TEMPERATURE RECORDS...

56 ON OCTOBER 19 (OLD RECORD 52 IN 2003)

... OCTOBER 2017 BROKEN OR TIED COLDEST DAILY LOW TEMPERATURE RECORDS...

23 ON OCTOBER  3 (TIED RECORD IN 1968)
19 ON OCTOBER  4 (TIED RECORD IN 1964)

$$





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