Climatological Report (Monthly)
Issued by NWS

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987
CXUS55 KBYZ 011135
CLMLVM

CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
528 AM MDT SUN JUN 01 2025

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

...THE LIVINGSTON MT CLIMATE SUMMARY FOR THE MONTH OF MAY 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           86   05/31
LOWEST            30   05/02
                       05/07
                       05/22
AVG. MAXIMUM    66.6               64.4     2.2
AVG. MINIMUM    38.3               37.6     0.7
MEAN            52.5               51.0     1.5
DAYS MAX >= 90     0
DAYS MAX <= 32     0
DAYS MIN <= 32     4
DAYS MIN <= 0      0

PRECIPITATION (INCHES)
TOTALS          1.59               2.66   -1.07
DAYS >= .01       11
DAYS >= .10        6
DAYS >= .50        0
DAYS >= 1.00       0
GREATEST
 24 HR. TOTAL   0.51   05/04 TO 05/05


DEGREE DAYS
HEATING TOTAL    381                435     -54
 SINCE 7/1      6586               7184    -598
COOLING TOTAL      0                  1      -1
 SINCE 1/1         0                  1      -1
................................................

WIND (MPH)
AVERAGE WIND SPEED              9.9
HIGHEST WIND SPEED/DIRECTION    33/210    DATE  05/11
                                33/330          05/12
HIGHEST GUST SPEED/DIRECTION    48/270    DATE  05/22

AVERAGE RH (PERCENT)     61

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              6     MIXED PRECIP               0
HEAVY RAIN                3     RAIN                       4
LIGHT RAIN               13     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       1
LIGHT SNOW                1     SLEET                      0
FOG                       5     FOG W/VIS <= 1/4 MILE      0
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.

...MAY 2025 MONTH IN REVIEW FOR LIVINGSTON...

BELOW IS A SUMMARY OF THE TEMPERATURE AND PRECIPITATION
STATISTICS FOR LIVINGSTON FOR MAY 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

MAY          0.00     2.66       -2.66      TIED FOR THE RECORD DRIEST OUT OF 77 YEARS
                                            (OLD RECORD DRIEST WAS 0.00 TIED IN 2023)

... MAY 2025 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   2025 VALUES  NORMALS   DEPARTURE  RANKING

MAY             M      51.0         M      NOT AVAILABLE

... AVERAGE HIGH TEMPERATURES...

 MONTH   2025 VALUES  NORMALS   DEPARTURE  RANKING

MAY             M      64.4         M      NOT AVAILABLE

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

NONE

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

NONE

... AVERAGE LOW TEMPERATURES...

 MONTH   2025 VALUES  NORMALS   DEPARTURE  RANKING

MAY             M      37.6         M      NOT AVAILABLE

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

NONE

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

NONE

$$