Climatological Report (Monthly)
Issued by NWS Billings, MT

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CXUS55 KBYZ 011044
CLMMLS


CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
441 AM MDT FRI MAY 1 2015

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

...THE MILES CITY MT CLIMATE SUMMARY FOR THE MONTH OF APRIL 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1937 TO 2015

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
HIGHEST            84   04/14
LOWEST             20   04/03
AVG. MAXIMUM     61.6              58.8     2.8
AVG. MINIMUM     33.1              33.2    -0.1
MEAN             47.4              46.0     1.4
DAYS MAX >= 90      0
DAYS MAX <= 32      0
DAYS MIN <= 32     17
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
TOTALS           0.45              1.37   -0.92
DAYS >= .01         4
DAYS >= .10         1
DAYS >= .50         0
DAYS >= 1.00        0
GREATEST
 24 HR. TOTAL    0.28   04/26 TO 04/26
                        04/25 TO 04/26
                        04/26 TO 04/26

DEGREE_DAYS
HEATING TOTAL     522               571     -49
 SINCE 7/1       6657              7246    -589
COOLING TOTAL       0                 1      -1
 SINCE 1/1          0                 1      -1
.................................................

WIND (MPH)
AVERAGE WIND SPEED              11.2
HIGHEST WIND SPEED/DIRECTION    40/350    DATE  04/30
HIGHEST GUST SPEED/DIRECTION    50/340    DATE  04/30

AVERAGE RH (PERCENT)     51

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       3
LIGHT RAIN               11     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                1     SLEET                      0
FOG                       2     FOG W/VIS <= 1/4 MILE      1
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 2015 MONTH IN REVIEW FOR MILES CITY...

BELOW IS A SUMMARY OF THE TEMPERATURE AND PRECIPITATION
STATISTICS FOR MILES CITY FOR APRIL 2015. 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...SNOWFALL...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   2015 VALUES  NORMALS    DEPARTURE  RANKING

APRIL        0.45     1.37       -0.92      TIED FOR THE 14TH DRIEST OUT OF 79 YEARS
                                            (RECORD DRIEST WAS 0.02 IN 1983)
                                            (DRIEST SINCE 0.33 IN 2014)

...MILES CITY APRIL 2015 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   2015 VALUES  NORMALS   DEPARTURE  RANKING

APRIL        47.4      46.0      +1.4      TIED FOR THE 29TH WARMEST OUT OF 79 YEARS
                                           (RECORD WARMEST WAS 53.3 TIED IN 1987)
                                           (WARMEST SINCE 50.9 IN 2012)

...MILES CITY AVERAGE HIGH TEMPERATURES...

 MONTH   2015 VALUES  NORMALS   DEPARTURE  RANKING

APRIL        61.6      58.8      +2.8      TIED FOR THE 20TH WARMEST OUT OF 79 YEARS
                                           (RECORD WARMEST WAS 68.5 IN 1987)
                                           (WARMEST SINCE 64.6 IN 2012)

...MILES CITY APRIL 2015 BROKEN OR TIED WARMEST DAILY HIGH TEMPERATURE RECORDS...

84 ON APRIL 14 (TIED RECORD IN 1942)

...MILES CITY APRIL 2015 BROKEN OR TIED COLDEST DAILY HIGH TEMPERATURE RECORDS...

NONE

...MILES CITY AVERAGE LOW TEMPERATURES...

 MONTH   2015 VALUES  NORMALS   DEPARTURE  RANKING

APRIL        33.1      33.2      -0.1      28TH COLDEST OUT OF 79 YEARS
                                           (RECORD COLDEST WAS 27.0 IN 1951)
                                           (COLDEST SINCE 31.3 IN 2014)

...MILES CITY APRIL 2015 BROKEN OR TIED WARMEST DAILY LOW TEMPERATURE RECORDS...

NONE

...MILES CITY APRIL 2015 BROKEN OR TIED COLDEST DAILY LOW TEMPERATURE RECORDS...

NONE

$$





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