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 14 15 16 17 18 19 20 21 22 23 24
000
CXUS55 KBYZ 011116
CLMMLS


CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
506 AM MDT SUN OCT 1 2017

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

...THE MILES CITY MT CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1937 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
HIGHEST            94   09/09
                        09/08
LOWEST             35   09/25
AVG. MAXIMUM     73.1              74.2    -1.1
AVG. MINIMUM     47.4              46.1     1.3
MEAN             60.2              60.1     0.1
DAYS MAX >= 90      6
DAYS MAX <= 32      0
DAYS MIN <= 32      0
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
TOTALS           1.81              1.08    0.73
DAYS >= .01         7
DAYS >= .10         4
DAYS >= .50         1
DAYS >= 1.00        1
GREATEST
 24 HR. TOTAL    1.17   09/15 TO 09/15

DEGREE_DAYS
HEATING TOTAL     224               202      22
 SINCE 7/1        228               236      -8
COOLING TOTAL      91                56      35
 SINCE 1/1        985               728     257
.................................................

WIND (MPH)
AVERAGE WIND SPEED              8.7
HIGHEST WIND SPEED/DIRECTION    31/330    DATE  09/14
HIGHEST GUST SPEED/DIRECTION    41/230    DATE  09/20

AVERAGE RH (PERCENT)     53

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       2
LIGHT RAIN                9     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       9     FOG W/VIS <= 1/4 MILE      3
HAZE                      8

-  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.

...SEPTEMBER 2017 MONTH IN REVIEW FOR MILES CITY...

BELOW IS A SUMMARY OF THE TEMPERATURE AND PRECIPITATION
STATISTICS FOR MILES CITY FOR SEPTEMBER 2017. 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   2017 VALUES  NORMALS    DEPARTURE  RANKING

SEPTEMBER    1.81     1.08       +0.73      16TH WETTEST OUT OF 81 YEARS
                                            (RECORD WETTEST WAS 4.67 IN 1941)
                                            (WETTEST SINCE 2.80 IN 2016)

...MILES CITY SEPTEMBER 2017 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   2017 VALUES  NORMALS   DEPARTURE  RANKING

SEPTEMBER    60.3      60.1      +0.2      40TH COLDEST OUT OF 81 YEARS
                                           (RECORD COLDEST WAS 48.0 IN 1965)
                                           (COLDEST SINCE 60.1 IN 2014)

...MILES CITY AVERAGE HIGH TEMPERATURES...

 MONTH   2017 VALUES  NORMALS   DEPARTURE  RANKING

SEPTEMBER    73.1      74.2      -1.1      32ND COLDEST OUT OF 81 YEARS
                                           (RECORD COLDEST WAS 58.6 IN 1965)
                                           (COLDEST SINCE 73.0 IN 2016)

...MILES CITY SEPTEMBER 2017 BROKEN OR TIED WARMEST DAILY HIGH TEMPERATURE RECORDS...

NONE

...MILES CITY SEPTEMBER 2017 BROKEN OR TIED COLDEST DAILY HIGH TEMPERATURE RECORDS...

NONE

...MILES CITY AVERAGE LOW TEMPERATURES...

 MONTH   2017 VALUES  NORMALS   DEPARTURE  RANKING

SEPTEMBER    47.4      46.1      +1.3      TIED FOR THE 33RD WARMEST OUT OF 81 YEARS
                                           (RECORD WARMEST WAS 54.5 IN 1998)
                                           (WARMEST SINCE 50.7 IN 2016)

...MILES CITY SEPTEMBER 2017 BROKEN OR TIED WARMEST DAILY LOW TEMPERATURE RECORDS...

NONE

...MILES CITY SEPTEMBER 2017 BROKEN OR TIED COLDEST DAILY LOW TEMPERATURE RECORDS...

NONE

$$




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