Climatological Report (Monthly)
Issued by NWS

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114
CXUS55 KBYZ 011153
CLMLVM

CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
451 AM MST THU JAN 01 2026

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

...THE LIVINGSTON MT CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1948 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART
                VALUE   DATE(S)   VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
HIGHEST           61   12/10
LOWEST            -4   12/28
AVG. MAXIMUM    46.9               36.4    10.5
AVG. MINIMUM    27.8               18.8     9.0
MEAN            37.3               27.6     9.7
DAYS MAX >= 90     0
DAYS MAX <= 32     1
DAYS MIN <= 32    18
DAYS MIN <= 0      2

PRECIPITATION (INCHES)
TOTALS          0.86               0.50    0.36
DAYS >= .01       12
DAYS >= .10        3
DAYS >= .50        0
DAYS >= 1.00       0
GREATEST
 24 HR. TOTAL   0.31   12/21 TO 12/22


DEGREE DAYS
HEATING TOTAL    825               1159    -334
 SINCE 7/1      2358               3010    -652
COOLING TOTAL      0                  0       0
 SINCE 1/1       197                278     -81
................................................

WIND (MPH)
AVERAGE WIND SPEED              21.2
HIGHEST WIND SPEED/DIRECTION    60/220    DATE  12/17
HIGHEST GUST SPEED/DIRECTION    82/220    DATE  12/09

AVERAGE RH (PERCENT)     58

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       4
LIGHT RAIN               10     FREEZING RAIN              0
LT FREEZING RAIN          2     HAIL                       0
HEAVY SNOW                1     SNOW                       1
LIGHT SNOW                8     SLEET                      0
FOG                      11     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 2025 MONTH IN REVIEW FOR LIVINGSTON...

BELOW IS A SUMMARY OF THE TEMPERATURE AND PRECIPITATION
STATISTICS FOR LIVINGSTON FOR DECEMBER 2025. 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   2025 VALUES  NORMALS    DEPARTURE  RANKING

DECEMBER    0.86*       0.50     +0.36      7TH WETTEST OUT OF 78 YEARS
                                            (RECORD WETTEST WAS 2.01 IN 1955)
                                            (WETTEST SINCE 0.97 IN 2015)

... DECEMBER 2025 BROKEN OR TIED DAILY PRECIPITATION RECORDS...

0.24 ON DECEMBER 22 (OLD RECORD 0.18 IN 2017)

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

... AVERAGE TEMPERATURES...

 MONTH   2025 VALUES  NORMALS   DEPARTURE  RANKING

DECEMBER     37.4      27.6      +9.8      2ND WARMEST OUT OF 78 YEARS
                                           (RECORD WARMEST WAS 39.0 IN 2024)
                                           (WARMEST SINCE 39.0 IN 2024)

... AVERAGE HIGH TEMPERATURES...

 MONTH   2025 VALUES  NORMALS   DEPARTURE  RANKING

DECEMBER     46.9      36.4     +10.5      3RD WARMEST OUT OF 78 YEARS
                                           (RECORD WARMEST WAS 47.5 IN 2024)
                                           (WARMEST SINCE 47.5 IN 2024)

... DECEMBER 2025 BROKEN OR TIED WARMEST DAILY HIGH TEMPERATURE RECORDS...

61 ON DECEMBER 10 (TIED RECORD IN 1990)
60 ON DECEMBER 14 (OLD RECORD 57 IN 1969)
60 ON DECEMBER 15 (TIED RECORD IN 1980)
58 ON DECEMBER 24 (OLD RECORD 55 IN 1950)
56 ON DECEMBER 25 (TIED RECORD IN 2005)

... DECEMBER 2025 BROKEN OR TIED COLDEST DAILY HIGH TEMPERATURE RECORDS...

NONE

... AVERAGE LOW TEMPERATURES...

 MONTH   2025 VALUES  NORMALS   DEPARTURE  RANKING

DECEMBER     27.8      18.8      +9.0      4TH WARMEST OUT OF 78 YEARS
                                           (RECORD WARMEST WAS 30.5 IN 2024)
                                           (WARMEST SINCE 30.5 IN 2024)

... DECEMBER 2025 BROKEN OR TIED WARMEST DAILY LOW TEMPERATURE RECORDS...

45 ON DECEMBER 14 (TIED RECORD IN 1969)
44 ON DECEMBER 25 (OLD RECORD 42 IN 1980)

... DECEMBER 2025 BROKEN OR TIED COLDEST DAILY LOW TEMPERATURE RECORDS...

NONE

$$