Climatological Report (Monthly)
Issued by NWS Billings, MT

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13
000
CXUS55 KBYZ 011201
CLMBIL


CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
552 AM MDT TUE MAY 1 2018

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

...THE BILLINGS MT CLIMATE SUMMARY FOR THE MONTH OF APRIL 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1934 TO 2018

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
HIGHEST            81   04/28
LOWEST              6   04/03
AVG. MAXIMUM     54.3              57.6    -3.3
AVG. MINIMUM     30.5              34.7    -4.2
MEAN             42.4              46.2    -3.8
DAYS MAX >= 90      0
DAYS MAX <= 32      3
DAYS MIN <= 32     12
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
TOTALS           2.16              1.66    0.50
DAYS >= .01        14
DAYS >= .10         6
DAYS >= .50         1
DAYS >= 1.00        0
GREATEST
 24 HR. TOTAL    0.51   04/23 TO 04/23

SNOWFALL (INCHES)
TOTALS           19.4               8.3    11.1
SINCE 7/1       106.1              53.0    53.1
SNOWDEPTH AVG.      1
DAYS >= TRACE      12
DAYS >= 1.0         5
GREATEST
 SNOW DEPTH         7   04/03
 24 HR TOTAL      7.4   04/02 TO 04/02

DEGREE_DAYS
HEATING TOTAL     670               567     103
 SINCE 7/1       7047              6377     670
COOLING TOTAL       0                 1      -1
 SINCE 1/1          0                 1      -1
.................................................

WIND (MPH)
AVERAGE WIND SPEED              10.2
HIGHEST WIND SPEED/DIRECTION    38/340    DATE  04/16
HIGHEST GUST SPEED/DIRECTION    49/330    DATE  04/16

AVERAGE RH (PERCENT)     65

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               0
HEAVY RAIN                3     RAIN                       1
LIGHT RAIN               10     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                1     SNOW                       3
LIGHT SNOW               11     SLEET                      1
FOG                      14     FOG W/VIS <= 1/4 MILE      2
HAZE                      1

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

&&

...APRIL 2018 MONTH IN REVIEW FOR BILLINGS...

BELOW IS A SUMMARY OF THE TEMPERATURE...PRECIPITATION...AND WIND
STATISTICS FOR BILLINGS FOR APRIL 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...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   2018 VALUES  NORMALS    DEPARTURE  RANKING

APRIL        2.16     1.66       +0.50      20TH WETTEST OUT OF 84 YEARS
                                            (RECORD WETTEST WAS 4.42 IN 1955)
                                            (WETTEST SINCE 3.34 IN 2017)

...BILLINGS APRIL 2018 BROKEN OR TIED DAILY PRECIPITATION RECORDS...

0.27 ON APRIL  5 (OLD RECORD 0.23 IN 1958)

...BILLINGS MONTHLY SNOWFALL...

 MONTH   2018 VALUES  NORMALS    DEPARTURE  RANKING

APRIL        19.4       8.3      +11.1      6TH SNOWIEST OUT OF 84 YEARS
                                            (RECORD SNOWIEST WAS 42.3 IN 1955)
                                            (SNOWIEST SINCE 20.9 IN 2005)

...BILLINGS APRIL 2018 BROKEN OR TIED DAILY SNOWFALL RECORDS...

7.4 ON APRIL  2 (OLD RECORD 4.6 IN 1940)
5.2 ON APRIL  5 (OLD RECORD 1.7 IN 1964)

...BILLINGS AVERAGE TEMPERATURES...

 MONTH   2018 VALUES  NORMALS   DEPARTURE  RANKING

APRIL        42.4      46.2      -3.8      TIED FOR THE 15TH COLDEST OUT OF 84 YEARS
                                           (RECORD COLDEST WAS 37.1 IN 1975)
                                           (COLDEST SINCE 41.8 IN 2013)

...BILLINGS AVERAGE HIGH TEMPERATURES...

 MONTH   2018 VALUES  NORMALS   DEPARTURE  RANKING

APRIL        54.3      57.6      -3.3      23RD COLDEST OUT OF 84 YEARS
                                           (RECORD COLDEST WAS 45.7 IN 1975)
                                           (COLDEST SINCE 53.0 IN 2013)

...BILLINGS APRIL 2018 BROKEN OR TIED WARMEST DAILY HIGH TEMPERATURE RECORDS...

NONE

...BILLINGS APRIL 2018 BROKEN OR TIED COLDEST DAILY HIGH TEMPERATURE RECORDS...

18 ON APRIL  6 (OLD RECORD 22 IN 1975)

...BILLINGS AVERAGE LOW TEMPERATURES...

 MONTH   2018 VALUES  NORMALS   DEPARTURE  RANKING

APRIL        30.5      34.7      -4.2      TIED FOR THE 12TH COLDEST OUT OF 84 YEARS
                                           (RECORD COLDEST WAS 28.5 TIED IN 2002)
                                           (COLDEST SINCE 30.5 IN 2013)

...BILLINGS APRIL 2018 BROKEN OR TIED WARMEST DAILY LOW TEMPERATURE RECORDS...

NONE

...BILLINGS APRIL 2018 BROKEN OR TIED COLDEST DAILY LOW TEMPERATURE RECORDS...

6 ON APRIL  3 (OLD RECORD 7 IN 2002)
10 ON APRIL  6 (TIED RECORD IN 1939)
11 ON APRIL  7 (OLD RECORD 16 IN 1997)

...BILLINGS MONTHLY WIND AVERAGES...

 MONTH   2018 VALUES  NORMALS    DEPARTURE  RANKING

APRIL        10.2      10.5       -0.3      TIED FOR THE 14TH LEAST WINDIEST OUT OF 69 YEARS
                                            (RECORD LEAST WINDIEST WAS 8.8 IN 1983)
                                            (LEAST WINDIEST SINCE 10.2 IN 2017)

$$





USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.