Climatological Report (Monthly)
Issued by NWS Billings, MT

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
629
CXUS55 KBYZ 011204
CLMMLS

CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
502 AM MST WED JAN 01 2025

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

...THE MILES CITY MT CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2024...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1937 TO 2024

WEATHER         OBSERVED          NORMAL  DEPART
                VALUE   DATE(S)   VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
HIGHEST           59   12/07
LOWEST             0   12/02
AVG. MAXIMUM    38.5               33.1     5.4
AVG. MINIMUM    18.8               11.7     7.1
MEAN            28.7               22.4     6.3
DAYS MAX >= 90     0
DAYS MAX <= 32    10
DAYS MIN <= 32    30
DAYS MIN <= 0      1

PRECIPITATION (INCHES)
TOTALS          0.71               0.22    0.49
DAYS >= .01        7
DAYS >= .10        2
DAYS >= .50        0
DAYS >= 1.00       0
GREATEST
 24 HR. TOTAL   0.44   12/15 TO 12/15


DEGREE DAYS
HEATING TOTAL   1117               1320    -203
 SINCE 7/1      2537               3079    -542
COOLING TOTAL      0                  0       0
 SINCE 1/1       823                731      92
................................................

WIND (MPH)
AVERAGE WIND SPEED              8.8
HIGHEST WIND SPEED/DIRECTION    43/290    DATE  12/18
HIGHEST GUST SPEED/DIRECTION    59/300    DATE  12/18

AVERAGE RH (PERCENT)     72

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                6     FREEZING RAIN              1
LT FREEZING RAIN          2     HAIL                       0
HEAVY SNOW                0     SNOW                       1
LIGHT SNOW                8     SLEET                      0
FOG                      12     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.

...DECEMBER 2024 MONTH IN REVIEW FOR MILES CITY...

BELOW IS A SUMMARY OF THE TEMPERATURE AND PRECIPITATION
STATISTICS FOR MILES CITY FOR DECEMBER 2024. 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   2024 VALUES  NORMALS    DEPARTURE  RANKING

DECEMBER     0.71     0.22       +0.49      11TH WETTEST OUT OF 87 YEARS
                                            (RECORD WETTEST WAS 1.78 IN 1968)
                                            (WETTEST SINCE 1.01 IN 1982)

...MILES CITY DECEMBER 2024 BROKEN OR TIED DAILY PRECIPITATION RECORDS...

0.44 ON DECEMBER 15 (OLD RECORD 0.23 IN 1946)

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   2024 VALUES  NORMALS   DEPARTURE  RANKING

DECEMBER     28.7      22.4      +6.3      TIED FOR THE 14TH WARMEST OUT OF 87 YEARS
                                           (RECORD WARMEST WAS 33.3 IN 1957)
                                           (WARMEST SINCE 31.5 IN 2023)

...MILES CITY AVERAGE HIGH TEMPERATURES...

 MONTH   2024 VALUES  NORMALS   DEPARTURE  RANKING

DECEMBER     38.5      33.1      +5.4      TIED FOR THE 19TH WARMEST OUT OF 87 YEARS
                                           (RECORD WARMEST WAS 45.0 IN 1957)
                                           (WARMEST SINCE 42.5 IN 2023)

...MILES CITY DECEMBER 2024 BROKEN OR TIED WARMEST DAILY HIGH TEMPERATURE RECORDS...

59 ON DECEMBER  7 (OLD RECORD 57 IN 2015)

...MILES CITY DECEMBER 2024 BROKEN OR TIED COLDEST DAILY HIGH TEMPERATURE RECORDS...

NONE

...MILES CITY AVERAGE LOW TEMPERATURES...

 MONTH   2024 VALUES  NORMALS   DEPARTURE  RANKING

DECEMBER     18.8      11.7      +7.1      7TH WARMEST OUT OF 87 YEARS
                                           (RECORD WARMEST WAS 22.4 IN 1999)
                                           (WARMEST SINCE 20.4 IN 2023)

...MILES CITY DECEMBER 2024 BROKEN OR TIED WARMEST DAILY LOW TEMPERATURE RECORDS...

34 ON DECEMBER  7 (TIED RECORD IN 1987)

...MILES CITY DECEMBER 2024 BROKEN OR TIED COLDEST DAILY LOW TEMPERATURE RECORDS...

NONE

$$