Climatological Report (Monthly)
Issued by NWS

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529
CXUS55 KBYZ 011204
CLMLVM

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

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

...THE LIVINGSTON MT CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2024...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1948 TO 2024

WEATHER         OBSERVED          NORMAL  DEPART
                VALUE   DATE(S)   VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
HIGHEST           60   12/20
LOWEST            19   12/31
AVG. MAXIMUM    47.5               36.4    11.1
AVG. MINIMUM    30.5               18.8    11.7
MEAN            39.0               27.6    11.4
DAYS MAX >= 90     0
DAYS MAX <= 32     1
DAYS MIN <= 32    23
DAYS MIN <= 0      0

PRECIPITATION (INCHES)
TOTALS          0.36               0.50   -0.14
DAYS >= .01        6
DAYS >= .10        1
DAYS >= .50        0
DAYS >= 1.00       0
GREATEST
 24 HR. TOTAL   0.22   12/29 TO 12/30


DEGREE DAYS
HEATING TOTAL    796               1159    -363
 SINCE 7/1      2198               3010    -812
COOLING TOTAL      0                  0       0
 SINCE 1/1       360                278      82
................................................

WIND (MPH)
AVERAGE WIND SPEED              18.9
HIGHEST WIND SPEED/DIRECTION    58/210    DATE  12/18
HIGHEST GUST SPEED/DIRECTION    76/210    DATE  12/07

AVERAGE RH (PERCENT)     53

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       2
LIGHT RAIN                8     FREEZING RAIN              0
LT FREEZING RAIN          1     HAIL                       0
HEAVY SNOW                0     SNOW                       2
LIGHT SNOW               10     SLEET                      0
FOG                       7     FOG W/VIS <= 1/4 MILE      1
HAZE                      0

-  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 LIVINGSTON...

BELOW IS A SUMMARY OF THE TEMPERATURE AND PRECIPITATION
STATISTICS FOR LIVINGSTON 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 JULY 1948 AT OR NEAR THE LIVINGSTON AIRPORT.

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

... MONTHLY PRECIPITATION...

 MONTH   2024 VALUES  NORMALS    DEPARTURE  RANKING

DECEMBER     0.36     0.50       -0.14      TIED FOR THE 32ND DRIEST OUT OF 77 YEARS
                                            (RECORD DRIEST WAS T IN 2009)
                                            (DRIEST SINCE 0.28 IN 2023)

... DECEMBER 2024 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   2024 VALUES  NORMALS   DEPARTURE  RANKING

DECEMBER     39.0      27.6     +11.4      RECORD WARMEST OUT OF 77 YEARS
                                           (OLD RECORD WARMEST WAS 36.9 IN 2023)

... AVERAGE HIGH TEMPERATURES...

 MONTH   2024 VALUES  NORMALS   DEPARTURE  RANKING

DECEMBER     47.5      36.4     +11.1      RECORD WARMEST OUT OF 77 YEARS
                                           (OLD RECORD WARMEST WAS 47.1 IN 2023)

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

58 ON DECEMBER  3 (OLD RECORD 57 IN 1987)
54 ON DECEMBER  7 (TIED RECORD IN 1981)
60 ON DECEMBER 20 (OLD RECORD 56 IN 2003)
57 ON DECEMBER 21 (TIED RECORD IN 2023)

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

NONE

... AVERAGE LOW TEMPERATURES...

 MONTH   2024 VALUES  NORMALS   DEPARTURE  RANKING

DECEMBER     30.5      18.8     +11.7      RECORD WARMEST OUT OF 77 YEARS
                                           (OLD RECORD WARMEST WAS 28.3 IN 1957)

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

45 ON DECEMBER  7 (OLD RECORD 43 IN 2019)
46 ON DECEMBER 21 (OLD RECORD 45 IN 2020)

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

NONE

$$