339
CXUS55 KBYZ 011041
CLMMLS

CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
441 AM MDT THU OCT 01 2026

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

...THE MILES CITY MT CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2026...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1937 TO 2026

WEATHER         OBSERVED          NORMAL  DEPART
                VALUE   DATE(S)   VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
HIGHEST           99   09/04
LOWEST            40   09/27
AVG. MAXIMUM    78.6               75.6     3.0
AVG. MINIMUM    51.7               46.9     4.8
MEAN            65.2               61.2     4.0
DAYS MAX >= 90     4
DAYS MAX <= 32     0
DAYS MIN <= 32     0
DAYS MIN <= 0      0

PRECIPITATION (INCHES)
TOTALS          2.30               1.07    1.23
DAYS >= .01        4
DAYS >= .10        2
DAYS >= .50        2
DAYS >= 1.00       1
GREATEST
 24 HR. TOTAL   1.57   09/19 TO 09/19

DEGREE DAYS
HEATING TOTAL     79                176     -97
 SINCE 7/1        90                211    -121
COOLING TOTAL     90                 64      26
 SINCE 1/1       955                727     228
................................................

WIND (MPH)
AVERAGE WIND SPEED              10.0
HIGHEST WIND SPEED/DIRECTION    38/300    DATE  09/14
HIGHEST GUST SPEED/DIRECTION    53/290    DATE  09/14

AVERAGE RH (PERCENT)     59

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              5     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       2
LIGHT RAIN               13     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       6     FOG W/VIS <= 1/4 MILE      1
HAZE                      1

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

$$