Climatological Report (Monthly)
Issued by NWS

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000
CXUS55 KBYZ 011027
CLMLVM

CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
420 AM MDT WED NOV 01 2023

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

...THE LIVINGSTON MT CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2023...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1948 TO 2023

WEATHER         OBSERVED          NORMAL  DEPART
                VALUE   DATE(S)   VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
HIGHEST           80   10/19
LOWEST           -12R  10/28
AVG. MAXIMUM    56.1               58.2    -2.1
AVG. MINIMUM    32.8               32.7     0.1
MEAN            44.5               45.5    -1.0
DAYS MAX >= 90     0
DAYS MAX <= 32     5
DAYS MIN <= 32     8
DAYS MIN <= 0      1

PRECIPITATION (INCHES)
TOTALS          1.64               1.36    0.28
DAYS >= .01       13
DAYS >= .10        8
DAYS >= .50        0
DAYS >= 1.00       0
GREATEST
 24 HR. TOTAL   0.46   10/11 TO 10/12


DEGREE DAYS
HEATING TOTAL    630                608      22
 SINCE 7/1       846                954    -108
COOLING TOTAL      3                  2       1
 SINCE 1/1       292                278      14
................................................

WIND (MPH)
AVERAGE WIND SPEED              11.2
HIGHEST WIND SPEED/DIRECTION    39/280    DATE  10/17
HIGHEST GUST SPEED/DIRECTION    56/290    DATE  10/17

AVERAGE RH (PERCENT)     65

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               1
HEAVY RAIN                1     RAIN                      11
LIGHT RAIN               11     FREEZING RAIN              0
LT FREEZING RAIN          1     HAIL                       0
HEAVY SNOW                2     SNOW                       4
LIGHT SNOW                4     SLEET                      0
FOG                      13     FOG W/VIS <= 1/4 MILE      4
HAZE                      2

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

&&

THIS IS AN AUTOMATED...UNATTENDED WEATHER STATION AND MAY
UNDERESTIMATE WINTER PRECIPITATION.

...OCTOBER 2023 MONTH IN REVIEW FOR LIVINGSTON...

BELOW IS A SUMMARY OF THE TEMPERATURE AND PRECIPITATION
STATISTICS FOR LIVINGSTON FOR OCTOBER 2023. ALL TEMPERATURES ARE IN
DEGREES FAHRENHEIT AND ALL PRECIPITATION AMOUNTS ARE IN INCHES. NORMALS
ARE 30 YEAR AVERAGES CALCULATED FROM 1991 TO 2020. 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   2023 VALUES  NORMALS    DEPARTURE  RANKING

OCTOBER      1.64     1.36       +0.28      22ND WETTEST OUT OF 76 YEARS
                                            (RECORD WETTEST WAS 3.47 IN 1975)
                                            (WETTEST SINCE 2.26 IN 2022)

... OCTOBER 2023 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   2023 VALUES  NORMALS   DEPARTURE  RANKING

OCTOBER      44.5      45.5      -1.0      16TH COLDEST OUT OF 76 YEARS
                                           (RECORD COLDEST WAS 37.0 IN 1969)
                                           (COLDEST SINCE 43.0 IN 2020)

... AVERAGE HIGH TEMPERATURES...

 MONTH   2023 VALUES  NORMALS   DEPARTURE  RANKING

OCTOBER      56.1      58.2      -2.1      TIED FOR THE 16TH COLDEST OUT OF 76 YEARS
                                           (RECORD COLDEST WAS 45.8 IN 1969)
                                           (COLDEST SINCE 49.2 IN 2019)

... OCTOBER 2023 BROKEN OR TIED WARMEST DAILY HIGH TEMPERATURE RECORDS...

80 ON OCTOBER 19 (TIED RECORD IN 2003)
78 ON OCTOBER 20 (TIED RECORD IN 1974)

... OCTOBER 2023 BROKEN OR TIED COLDEST DAILY HIGH TEMPERATURE RECORDS...

19 ON OCTOBER 26 (OLD RECORD 28 IN 1969)
17 ON OCTOBER 27 (OLD RECORD 23 IN 2019)

... AVERAGE LOW TEMPERATURES...

 MONTH   2023 VALUES  NORMALS   DEPARTURE  RANKING

OCTOBER      32.8      32.7      +0.1      22ND COLDEST OUT OF 76 YEARS
                                           (RECORD COLDEST WAS 25.5 IN 2002)
                                           (COLDEST SINCE 29.8 IN 2020)

... OCTOBER 2023 BROKEN OR TIED WARMEST DAILY LOW TEMPERATURE RECORDS...

NONE

... OCTOBER 2023 BROKEN OR TIED COLDEST DAILY LOW TEMPERATURE RECORDS...

5 ON OCTOBER 27 (OLD RECORD 10 IN 1971)
-12 ON OCTOBER 28 (OLD RECORD 3 IN 1971)

$$



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