Climatological Report (Monthly)
Issued by NWS

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000
CXUS55 KBYZ 011146
CLMLVM

CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
545 AM MDT THU JUN 01 2023

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

...THE LIVINGSTON MT CLIMATE SUMMARY FOR THE MONTH OF MAY 2023...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1948 TO 2023

WEATHER         OBSERVED          NORMAL  DEPART
                VALUE   DATE(S)   VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
HIGHEST           85   05/22
LOWEST            26   05/10
AVG. MAXIMUM    71.2               64.4     6.8
AVG. MINIMUM    42.2               37.6     4.6
MEAN            56.7               51.0     5.7
DAYS MAX >= 90     0
DAYS MAX <= 32     0
DAYS MIN <= 32     2
DAYS MIN <= 0      0

PRECIPITATION (INCHES)
TOTALS          2.07               2.66   -0.59
DAYS >= .01       12
DAYS >= .10        6
DAYS >= .50        1
DAYS >= 1.00       0
GREATEST
 24 HR. TOTAL   0.88   05/26 TO 05/26


DEGREE DAYS
HEATING TOTAL    252                435    -183
 SINCE 7/1      7367               7184     183
COOLING TOTAL      2                  1       1
 SINCE 1/1         2                  1       1
................................................

WIND (MPH)
AVERAGE WIND SPEED              10.1
HIGHEST WIND SPEED/DIRECTION    41/150    DATE  05/04
HIGHEST GUST SPEED/DIRECTION    52/150    DATE  05/04

AVERAGE RH (PERCENT)     60

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             10     MIXED PRECIP               0
HEAVY RAIN                4     RAIN                       2
LIGHT RAIN               17     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       8     FOG W/VIS <= 1/4 MILE      0
HAZE                      7

-  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 2023 MONTH IN REVIEW FOR LIVINGSTON...

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

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

... MONTHLY PRECIPITATION...

 MONTH   2023 VALUES  NORMALS    DEPARTURE  RANKING

MAY          2.07*    2.66       -0.59      26TH DRIEST OUT OF 75 YEARS
                                            (RECORD DRIEST WAS 0.30 IN 1958)
                                            (DRIEST SINCE 1.85 IN 2021)

... MAY 2023 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   2023 VALUES  NORMALS   DEPARTURE  RANKING

MAY          56.7      51.0      +5.7      2ND WARMEST OUT OF 75 YEARS
                                           (RECORD WARMEST WAS 60.0 IN 1958)
                                           (WARMEST SINCE 60.0 IN 1958)

... AVERAGE HIGH TEMPERATURES...

 MONTH   2023 VALUES  NORMALS   DEPARTURE  RANKING

MAY          71.2      64.4      +6.8      TIED FOR THE 2ND WARMEST OUT OF 75 YEARS
                                           (RECORD WARMEST WAS 74.9 IN 1958)
                                           (WARMEST SINCE 71.2 IN 1985)

... MAY 2023 BROKEN OR TIED WARMEST DAILY HIGH TEMPERATURE RECORDS...

NONE

... MAY 2023 BROKEN OR TIED COLDEST DAILY HIGH TEMPERATURE RECORDS...

NONE

... AVERAGE LOW TEMPERATURES...

 MONTH   2023 VALUES  NORMALS   DEPARTURE  RANKING

MAY          42.2      37.6      +4.6      TIED FOR THE 4TH WARMEST OUT OF 75 YEARS
                                           (RECORD WARMEST WAS 45.1 IN 1958)
                                           (WARMEST SINCE 42.4 IN 2018)

... MAY 2023 BROKEN OR TIED WARMEST DAILY LOW TEMPERATURE RECORDS...

53 ON MAY 30 (TIED RECORD IN 1961)

... MAY 2023 BROKEN OR TIED COLDEST DAILY LOW TEMPERATURE RECORDS...

NONE

$$



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