Climatological Report (Monthly)
Issued by NWS

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CXUS55 KBYZ 011245
CLMLVM

CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
540 AM MST TUE DEC 01 2020

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

...THE LIVINGSTON MT CLIMATE SUMMARY FOR THE MONTH OF NOVEMBER 2020...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1948 TO 2020

WEATHER         OBSERVED          NORMAL  DEPART
                VALUE   DATE(S)   VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
HIGHEST           74   11/02
                       11/03
LOWEST            10   11/09
AVG. MAXIMUM    49.5               44.0     5.5
AVG. MINIMUM    28.7               23.9     4.8
MEAN            39.1               34.0     5.1
DAYS MAX >= 90     0
DAYS MAX <= 32     3
DAYS MIN <= 32    21
DAYS MIN <= 0      0

PRECIPITATION (INCHES)
TOTALS          0.59               0.59    0.00
DAYS >= .01        3
DAYS >= .10        2
DAYS >= .50        0
DAYS >= 1.00       0
GREATEST
 24 HR. TOTAL   0.33   11/07 TO 11/07


DEGREE DAYS
HEATING TOTAL    770                931    -161
 SINCE 7/1      1707               1959    -252
COOLING TOTAL      0                  0       0
 SINCE 1/1       339                230     109
................................................

WIND (MPH)
AVERAGE WIND SPEED              21.6
HIGHEST WIND SPEED/DIRECTION    71/210    DATE  11/13
HIGHEST GUST SPEED/DIRECTION    83/210    DATE  11/13

AVERAGE RH (PERCENT)     50

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       2
LIGHT RAIN                3     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                1     SNOW                       1
LIGHT SNOW                9     SLEET                      0
FOG                       6     FOG W/VIS <= 1/4 MILE      1
HAZE                      3

-  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.

...NOVEMBER 2020 MONTH IN REVIEW FOR LIVINGSTON...

BELOW IS A SUMMARY OF THE TEMPERATURE AND PRECIPITATION
STATISTICS FOR LIVINGSTON FOR NOVEMBER 2020. ALL TEMPERATURES ARE IN
DEGREES FAHRENHEIT AND ALL PRECIPITATION AMOUNTS ARE IN INCHES. NORMALS
ARE 30 YEAR AVERAGES CALCULATED FROM 1981 TO 2010. 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   2020 VALUES  NORMALS    DEPARTURE  RANKING

NOVEMBER     0.59     0.59       +0.00      MEDIAN OUT OF 73 YEARS
                                            (WETTEST 2.40-1973/DRIEST 0.06-1954)

... NOVEMBER 2020 BROKEN OR TIED DAILY PRECIPITATION RECORDS...

0.33 ON NOVEMBER  7 (TIED RECORD IN 1995)

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

... AVERAGE TEMPERATURES...

 MONTH   2020 VALUES  NORMALS   DEPARTURE  RANKING

NOVEMBER     39.1      34.0      +5.1      16TH WARMEST OUT OF 73 YEARS
                                           (RECORD WARMEST WAS 49.0 IN 1999)
                                           (WARMEST SINCE 43.2 IN 2016)

... AVERAGE HIGH TEMPERATURES...

 MONTH   2020 VALUES  NORMALS   DEPARTURE  RANKING

NOVEMBER     49.5      44.0      +5.5      13TH WARMEST OUT OF 73 YEARS
                                           (RECORD WARMEST WAS 60.5 IN 1999)
                                           (WARMEST SINCE 54.8 IN 2016)

... NOVEMBER 2020 BROKEN OR TIED WARMEST DAILY HIGH TEMPERATURE RECORDS...

74 ON NOVEMBER  2 (OLD RECORD 69 IN 1965)
74 ON NOVEMBER  3 (OLD RECORD 72 IN 1962)
71 ON NOVEMBER  4 (OLD RECORD 70 IN 2001)
73 ON NOVEMBER  5 (OLD RECORD 72 IN 1975)

... NOVEMBER 2020 BROKEN OR TIED COLDEST DAILY HIGH TEMPERATURE RECORDS...

NONE

... AVERAGE LOW TEMPERATURES...

 MONTH   2020 VALUES  NORMALS   DEPARTURE  RANKING

NOVEMBER     28.7      23.9      +4.8      TIED FOR THE 21ST WARMEST OUT OF 73 YEARS
                                           (RECORD WARMEST WAS 37.5 IN 1999)
                                           (WARMEST SINCE 31.6 IN 2016)

... NOVEMBER 2020 BROKEN OR TIED WARMEST DAILY LOW TEMPERATURE RECORDS...

55 ON NOVEMBER  5 (OLD RECORD 52 IN 1975)

... NOVEMBER 2020 BROKEN OR TIED COLDEST DAILY LOW TEMPERATURE RECORDS...

NONE

$$



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