National Weather Service Weather Forecast Office

• Home
• Site Map
• News
• Organization
• Search for: NWS All NOAA 

000
CXUS55 KBYZ 011034
CLMMLS

CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
434 AM MDT SUN OCT 01 2023

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

...THE MILES CITY MT CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2023...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1937 TO 2023

WEATHER         OBSERVED          NORMAL  DEPART
                VALUE   DATE(S)   VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
HIGHEST           96   09/02
                       09/03
LOWEST            45   09/15
AVG. MAXIMUM    78.5               75.6     2.9
AVG. MINIMUM    52.7               46.9     5.8
MEAN            65.6               61.2     4.4
DAYS MAX >= 90     3
DAYS MAX <= 32     0
DAYS MIN <= 32     0
DAYS MIN <= 0      0

PRECIPITATION (INCHES)
TOTALS          2.40               1.07    1.33
DAYS >= .01        6
DAYS >= .10        5
DAYS >= .50        1
DAYS >= 1.00       1
GREATEST
 24 HR. TOTAL   1.74   09/21 TO 09/22

DEGREE DAYS
HEATING TOTAL     48                176    -128
 SINCE 7/1        63                211    -148
COOLING TOTAL     76                 64      12
 SINCE 1/1       830                727     103
................................................

WIND (MPH)
AVERAGE WIND SPEED              9.1
HIGHEST WIND SPEED/DIRECTION    33/260    DATE  09/03
HIGHEST GUST SPEED/DIRECTION    44/260    DATE  09/03

AVERAGE RH (PERCENT)     56

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

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

$$