Climatological Report (Monthly)
Issued by NWS Billings, MT

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000
CXUS55 KBYZ 011242
CLMBIL


CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
639 AM MDT SUN MAY 1 2016

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

...THE BILLINGS MT CLIMATE SUMMARY FOR THE MONTH OF APRIL 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1934 TO 2016

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
HIGHEST            83   04/22
LOWEST             29   04/17
                        04/11
AVG. MAXIMUM     60.3              57.6     2.7
AVG. MINIMUM     38.8              34.7     4.1
MEAN             49.6              46.2     3.4
DAYS MAX >= 90      0
DAYS MAX <= 32      0
DAYS MIN <= 32      4
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
TOTALS           1.28              1.66   -0.38
DAYS >= .01         9
DAYS >= .10         5
DAYS >= .50         0
DAYS >= 1.00        0
GREATEST
 24 HR. TOTAL    0.38   04/14 TO 04/14
                        04/13 TO 04/14
                        04/14 TO 04/14

SNOWFALL (INCHES)
TOTALS            1.8               8.3    -6.5
SINCE 7/1        28.1              53.0   -24.9
SNOWDEPTH AVG.      0
DAYS >= TRACE       4
DAYS >= 1.0         1
GREATEST
 SNOW DEPTH         T   04/28
 24 HR TOTAL      1.8   04/28 TO 04/28

DEGREE_DAYS
HEATING TOTAL     459               567    -108
 SINCE 7/1       5394              6377    -983
COOLING TOTAL       3                 1       2
 SINCE 1/1          3                 1       2
.................................................

WIND (MPH)
AVERAGE WIND SPEED              10.4
HIGHEST WIND SPEED/DIRECTION    47/280    DATE  04/04
HIGHEST GUST SPEED/DIRECTION    59/270    DATE  04/05

AVERAGE RH (PERCENT)     58

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       2
LIGHT RAIN               16     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       4
LIGHT SNOW                3     SLEET                      2
FOG                       8     FOG W/VIS <= 1/4 MILE      1
HAZE                      0

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

&&

...APRIL 2016 MONTH IN REVIEW FOR BILLINGS...

BELOW IS A SUMMARY OF THE TEMPERATURE...PRECIPITATION...AND WIND
STATISTICS FOR BILLINGS FOR APRIL 2016. 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 AUGUST 1934 AT THE BILLINGS AIRPORT. MONTHLY RANKINGS
FOR WIND USE A PERIOD OF RECORD THAT STARTED IN 1984.

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

...BILLINGS MONTHLY PRECIPITATION...

 MONTH   2016 VALUES  NORMALS    DEPARTURE  RANKING

APRIL        1.28     1.66       -0.38      TIED FOR THE 35TH DRIEST OUT OF 82 YEARS
                                            (RECORD DRIEST WAS 0.06 IN 1962)
                                            (DRIEST SINCE 1.18 IN 2014)

...BILLINGS APRIL 2016 BROKEN OR TIED DAILY PRECIPITATION RECORDS...

0.38 ON APRIL 14 (OLD RECORD 0.37 IN 2009)

...BILLINGS MONTHLY SNOWFALL...

 MONTH   2016 VALUES  NORMALS    DEPARTURE  RANKING

APRIL         1.8       8.3       -6.5      TIED FOR THE 18TH LEAST SNOWIEST OUT OF 82 YEARS
                                            (RECORD LEAST SNOWIEST WAS 0.0 TIED IN 1949)
                                            (LEAST SNOWIEST SINCE 0.6 IN 2014)

...BILLINGS APRIL 2016 BROKEN OR TIED DAILY SNOWFALL RECORDS...

NONE

...BILLINGS AVERAGE TEMPERATURES...

 MONTH   2016 VALUES  NORMALS   DEPARTURE  RANKING

APRIL        49.6      46.2      +3.4      15TH WARMEST OUT OF 82 YEARS
                                           (RECORD WARMEST WAS 54.6 IN 1980)
                                           (WARMEST SINCE 50.4 IN 2012)

...BILLINGS AVERAGE HIGH TEMPERATURES...

 MONTH   2016 VALUES  NORMALS   DEPARTURE  RANKING

APRIL        60.3      57.6      +2.7      22ND WARMEST OUT OF 82 YEARS
                                           (RECORD WARMEST WAS 69.0 IN 1987)
                                           (WARMEST SINCE 62.4 IN 2012)

...BILLINGS APRIL 2016 BROKEN OR TIED WARMEST DAILY HIGH TEMPERATURE RECORDS...

NONE

...BILLINGS APRIL 2016 BROKEN OR TIED COLDEST DAILY HIGH TEMPERATURE RECORDS...

NONE

...BILLINGS AVERAGE LOW TEMPERATURES...

 MONTH   2016 VALUES  NORMALS   DEPARTURE  RANKING

APRIL        38.8      34.7      +4.1      6TH WARMEST OUT OF 82 YEARS
                                           (RECORD WARMEST WAS 40.8 IN 1980)
                                           (WARMEST SINCE 39.1 IN 1987)

...BILLINGS APRIL 2016 BROKEN OR TIED WARMEST DAILY LOW TEMPERATURE RECORDS...

NONE

...BILLINGS APRIL 2016 BROKEN OR TIED COLDEST DAILY LOW TEMPERATURE RECORDS...

NONE

...BILLINGS MONTHLY WIND AVERAGES...

 MONTH   2016 VALUES  NORMALS    DEPARTURE  RANKING

APRIL        10.4      10.5       -0.1      TIED FOR THE 19TH LEAST WINDIEST OUT OF 67 YEARS
                                            (RECORD LEAST WINDIEST WAS 8.8 IN 1983)
                                            (LEAST WINDIEST SINCE 10.2 IN 2015)

$$



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