Climatological Report (Monthly)
Issued by NWS Billings, MT

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797
CXUS55 KBYZ 011037
CLMMLS


CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
432 AM MDT WED MAY 1 2019

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

...THE MILES CITY MT CLIMATE SUMMARY FOR THE MONTH OF APRIL 2019...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1937 TO 2019

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
HIGHEST            82   04/19
LOWEST             22   04/13
AVG. MAXIMUM     57.6              58.8    -1.2
AVG. MINIMUM     35.6              33.2     2.4
MEAN             46.6              46.0     0.6
DAYS MAX >= 90      0
DAYS MAX <= 32      0
DAYS MIN <= 32     10
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
TOTALS           2.13              1.37    0.76
DAYS >= .01        12
DAYS >= .10         5
DAYS >= .50         1
DAYS >= 1.00        0
GREATEST
 24 HR. TOTAL    0.85   04/21 TO 04/21

DEGREE_DAYS
HEATING TOTAL     543               571     -28
 SINCE 7/1       7840              7246     594
COOLING TOTAL       0                 1      -1
 SINCE 1/1          0                 1      -1
.................................................

WIND (MPH)
AVERAGE WIND SPEED              10.6
HIGHEST WIND SPEED/DIRECTION    37/270    DATE  04/28
HIGHEST GUST SPEED/DIRECTION    48/270    DATE  04/28

AVERAGE RH (PERCENT)     65

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                3     RAIN                       4
LIGHT RAIN               16     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                4     SLEET                      0
FOG                       9     FOG W/VIS <= 1/4 MILE      0
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.

...APRIL 2019 MONTH IN REVIEW FOR MILES CITY...

BELOW IS A SUMMARY OF THE TEMPERATURE AND PRECIPITATION
STATISTICS FOR MILES CITY FOR APRIL 2019. 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 FEBRUARY 1937 AT THE MILES CITY AIRPORT.

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

...MILES CITY MONTHLY PRECIPITATION...

 MONTH   2019 VALUES  NORMALS    DEPARTURE  RANKING

APRIL        2.13     1.37       +0.76      16TH WETTEST OUT OF 83 YEARS
                                            (RECORD WETTEST WAS 4.36 IN 2016)
                                            (WETTEST SINCE 3.09 IN 2018)

...MILES CITY APRIL 2019 BROKEN OR TIED DAILY PRECIPITATION RECORDS...

NONE

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

...MILES CITY AVERAGE TEMPERATURES...

 MONTH   2019 VALUES  NORMALS   DEPARTURE  RANKING

APRIL        46.6      46.0      +0.6      TIED FOR THE 38TH WARMEST OUT OF 83 YEARS
                                           (RECORD WARMEST WAS 53.3 TIED IN 1987)
                                           (WARMEST SINCE 48.2 IN 2017)

...MILES CITY AVERAGE HIGH TEMPERATURES...

 MONTH   2019 VALUES  NORMALS   DEPARTURE  RANKING

APRIL        57.6      58.8      -1.2      TIED FOR THE 37TH COLDEST OUT OF 83 YEARS
                                           (RECORD COLDEST WAS 48.2 IN 1975)
                                           (COLDEST SINCE 52.6 IN 2018)

...MILES CITY APRIL 2019 BROKEN OR TIED WARMEST DAILY HIGH TEMPERATURE RECORDS...

NONE

...MILES CITY APRIL 2019 BROKEN OR TIED COLDEST DAILY HIGH TEMPERATURE RECORDS...

NONE

...MILES CITY AVERAGE LOW TEMPERATURES...

 MONTH   2019 VALUES  NORMALS   DEPARTURE  RANKING

APRIL        35.6      33.2      +2.4      22ND WARMEST OUT OF 83 YEARS
                                           (RECORD WARMEST WAS 39.3 IN 1980)
                                           (WARMEST SINCE 36.7 IN 2017)

...MILES CITY APRIL 2019 BROKEN OR TIED WARMEST DAILY LOW TEMPERATURE RECORDS...

NONE

...MILES CITY APRIL 2019 BROKEN OR TIED COLDEST DAILY LOW TEMPERATURE RECORDS...

NONE

$$




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