Climatological Report (Monthly)
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701
CXUS55 KBYZ 011250
CLMLVM


CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
642 AM MDT SAT SEP 1 2018

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

...THE LIVINGSTON MT CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1948 TO 2018

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
HIGHEST           103   08/11
LOWEST             38   08/28
AVG. MAXIMUM     82.7              84.0    -1.3
AVG. MINIMUM     47.2              47.2     0.0
MEAN             64.9              65.6    -0.7
DAYS MAX >= 90     10
DAYS MAX <= 32      0
DAYS MIN <= 32      0
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
TOTALS           1.37              1.11    0.26
DAYS >= .01         7
DAYS >= .10         3
DAYS >= .50         1
DAYS >= 1.00        0
GREATEST
 24 HR. TOTAL    0.56   08/27 TO 08/27

DEGREE_DAYS
HEATING TOTAL      79                68      11
 SINCE 7/1        108               118     -10
COOLING TOTAL      85                86      -1
 SINCE 1/1        202               215     -13
.................................................

WIND (MPH)
AVERAGE WIND SPEED              9.7
HIGHEST WIND SPEED/DIRECTION    41/240    DATE  08/02
HIGHEST GUST SPEED/DIRECTION    57/230    DATE  08/30

AVERAGE RH (PERCENT)     55

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              9     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       3
LIGHT RAIN               12     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.

&&

...AUGUST 2018 MONTH IN REVIEW FOR LIVINGSTON...

BELOW IS A SUMMARY OF THE TEMPERATURE AND PRECIPITATION
STATISTICS FOR LIVINGSTON FOR AUGUST 2018. 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   2018 VALUES  NORMALS    DEPARTURE  RANKING

AUGUST       1.37     1.11       +0.26      28TH WETTEST OUT OF 71 YEARS
                                            (RECORD WETTEST WAS 3.90 IN 1979)
                                            (WETTEST SINCE 2.69 IN 2014)

... AUGUST 2018 BROKEN OR TIED DAILY PRECIPITATION RECORDS...

0.43 ON AUGUST  5 (OLD RECORD 0.37 IN 2007)
0.56 ON AUGUST 27 (OLD RECORD 0.33 IN 1979)

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

... AVERAGE TEMPERATURES...

 MONTH   2018 VALUES  NORMALS   DEPARTURE  RANKING

AUGUST       65.0      65.6      -0.6      23RD COLDEST OUT OF 71 YEARS
                                           (RECORD COLDEST WAS 60.2 IN 1993)
                                           (COLDEST SINCE 64.1 IN 2005)

... AVERAGE HIGH TEMPERATURES...

 MONTH   2018 VALUES  NORMALS   DEPARTURE  RANKING

AUGUST       82.7      84.0      -1.3      TIED FOR THE 29TH COLDEST OUT OF 71 YEARS
                                           (RECORD COLDEST WAS 74.7 IN 1993)
                                           (COLDEST SINCE 82.2 IN 2009)

... AUGUST 2018 BROKEN OR TIED WARMEST DAILY HIGH TEMPERATURE RECORDS...

98 ON AUGUST 10 (TIED RECORD IN 1969)
103 ON AUGUST 11 (OLD RECORD 100 IN 1996)

... AUGUST 2018 BROKEN OR TIED COLDEST DAILY HIGH TEMPERATURE RECORDS...

56 ON AUGUST 27 (OLD RECORD 61 IN 1977)

... AVERAGE LOW TEMPERATURES...

 MONTH   2018 VALUES  NORMALS   DEPARTURE  RANKING

AUGUST       47.2      47.2       0.0      TIED FOR THE 11TH COLDEST OUT OF 71 YEARS
                                           (RECORD COLDEST WAS 43.4 IN 2002)
                                           (COLDEST SINCE 46.9 IN 2016)

... AUGUST 2018 BROKEN OR TIED WARMEST DAILY LOW TEMPERATURE RECORDS...

NONE

... AUGUST 2018 BROKEN OR TIED COLDEST DAILY LOW TEMPERATURE RECORDS...

43 ON AUGUST  6 (OLD RECORD 44 IN 1985)

$$





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