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000
CXUS55 KBYZ 011028
CLMMLS

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

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

...THE MILES CITY MT CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2023...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1937 TO 2023

WEATHER         OBSERVED          NORMAL  DEPART
                VALUE   DATE(S)   VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
HIGHEST           79   10/10
                       10/19
LOWEST            -3   10/27
AVG. MAXIMUM    54.3               59.0    -4.7
AVG. MINIMUM    32.6               33.8    -1.2
MEAN            43.4               46.4    -3.0
DAYS MAX >= 90     0
DAYS MAX <= 32     5
DAYS MIN <= 32     9
DAYS MIN <= 0      2

PRECIPITATION (INCHES)
TOTALS          0.87               0.97   -0.10
DAYS >= .01        5
DAYS >= .10        3
DAYS >= .50        0
DAYS >= 1.00       0
GREATEST
 24 HR. TOTAL   0.42   10/02 TO 10/03


DEGREE DAYS
HEATING TOTAL    663                580      83
 SINCE 7/1       726                791     -65
COOLING TOTAL      0                  4      -4
 SINCE 1/1       830                731      99
................................................

WIND (MPH)
AVERAGE WIND SPEED              8.5
HIGHEST WIND SPEED/DIRECTION    44/330    DATE  10/17
HIGHEST GUST SPEED/DIRECTION    56/320    DATE  10/17

AVERAGE RH (PERCENT)     71

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               2
HEAVY RAIN                0     RAIN                       5
LIGHT RAIN                8     FREEZING RAIN              1
LT FREEZING RAIN          1     HAIL                       0
HEAVY SNOW                1     SNOW                       5
LIGHT SNOW                4     SLEET                      0
FOG                      10     FOG W/VIS <= 1/4 MILE      2
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 MILES CITY...

BELOW IS A SUMMARY OF THE TEMPERATURE AND PRECIPITATION
STATISTICS FOR MILES CITY 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 FEBRUARY 1937 AT THE MILES CITY AIRPORT.

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

...MILES CITY MONTHLY PRECIPITATION...

 MONTH   2023 VALUES  NORMALS    DEPARTURE  RANKING

OCTOBER      0.87     0.97       -0.10      38TH WETTEST OUT OF 87 YEARS
                                            (RECORD WETTEST WAS 6.31 IN 1971)
                                            (WETTEST SINCE 1.31 IN 2022)

...MILES CITY OCTOBER 2023 BROKEN OR TIED DAILY PRECIPITATION RECORDS...

NONE

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

...MILES CITY AVERAGE TEMPERATURES...

 MONTH   2023 VALUES  NORMALS   DEPARTURE  RANKING

OCTOBER      43.5      46.4      -2.9      10TH COLDEST OUT OF 87 YEARS
                                           (RECORD COLDEST WAS 39.1 IN 2019)
                                           (COLDEST SINCE 41.8 IN 2020)

...MILES CITY AVERAGE HIGH TEMPERATURES...

 MONTH   2023 VALUES  NORMALS   DEPARTURE  RANKING

OCTOBER      54.3      59.0      -4.7      TIED FOR THE 7TH COLDEST OUT OF 87 YEARS
                                           (RECORD COLDEST WAS 49.7 IN 1969)
                                           (COLDEST SINCE 54.3 IN 2020)

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

NONE

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

20 ON OCTOBER 26 (OLD RECORD 26 IN 2020)
16 ON OCTOBER 27 (OLD RECORD 26 IN 2019)

...MILES CITY AVERAGE LOW TEMPERATURES...

 MONTH   2023 VALUES  NORMALS   DEPARTURE  RANKING

OCTOBER      32.6      33.8      -1.2      TIED FOR THE 18TH COLDEST OUT OF 87 YEARS
                                           (RECORD COLDEST WAS 27.6 IN 2019)
                                           (COLDEST SINCE 29.3 IN 2020)

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

NONE

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

-3 ON OCTOBER 27 (OLD RECORD 13 IN 2020)
-2 ON OCTOBER 28 (OLD RECORD 10 IN 1991)

$$