Climatological Report (Monthly)
Issued by NWS Billings, MT

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000
CXUS55 KBYZ 011051
CLMBIL

CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
451 AM MDT SAT OCT 01 2022

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

...THE BILLINGS MT CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2022...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1934 TO 2022

WEATHER         OBSERVED          NORMAL  DEPART
                VALUE   DATE(S)   VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
HIGHEST          102   09/07
LOWEST            40   09/10
AVG. MAXIMUM    80.9               74.3     6.6
AVG. MINIMUM    53.3               48.6     4.7
MEAN            67.1               61.4     5.7
DAYS MAX >= 90     6
DAYS MAX <= 32     0
DAYS MIN <= 32     0
DAYS MIN <= 0      0

PRECIPITATION (INCHES)
TOTALS          1.17               1.36   -0.19
DAYS >= .01        7
DAYS >= .10        2
DAYS >= .50        1
DAYS >= 1.00       0
GREATEST
 24 HR. TOTAL   0.54   09/30 TO 09/30

SNOWFALL (INCHES)
TOTALS             T                0.3    -0.3
SINCE 7/1          T                0.3    -0.3
SNOWDEPTH AVG.     0
DAYS >= TRACE      1
DAYS >= 1.0        0
GREATEST
 SNOW DEPTH        0
 24 HR TOTAL      MM

DEGREE DAYS
HEATING TOTAL     66                168    -102
 SINCE 7/1        72                204    -132
COOLING TOTAL    137                 62      75
 SINCE 1/1       910                657     253
................................................

WIND (MPH)
AVERAGE WIND SPEED              9.0
HIGHEST WIND SPEED/DIRECTION    36/320    DATE  09/24
HIGHEST GUST SPEED/DIRECTION    49/330    DATE  09/24

AVERAGE RH (PERCENT)     46

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

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

&&

...SEPTEMBER 2022 MONTH IN REVIEW FOR BILLINGS...

BELOW IS A SUMMARY OF THE TEMPERATURE...PRECIPITATION...AND WIND
STATISTICS FOR BILLINGS FOR SEPTEMBER 2022. ALL TEMPERATURES ARE IN
DEGREES FAHRENHEIT AND ALL PRECIPITATION AMOUNTS ARE IN INCHES. NORMALS
ARE 30 YEAR AVERAGES CALCULATED FROM 1991 TO 2020. 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   2022 VALUES  NORMALS    DEPARTURE  RANKING

SEPTEMBER    1.17     1.36       -0.19      43RD DRIEST OUT OF 89 YEARS
                                            (RECORD DRIEST WAS T IN 2012)
                                            (DRIEST SINCE 0.04 IN 2021)

...BILLINGS SEPTEMBER 2022 BROKEN OR TIED DAILY PRECIPITATION RECORDS...

0.54 ON SEPTEMBER 30 (OLD RECORD 0.36 IN 2009)

...BILLINGS MONTHLY SNOWFALL...

 MONTH   2022 VALUES  NORMALS    DEPARTURE  RANKING

SEPTEMBER       T*      0.3       0.3      TIED FOR THE 19TH SNOWIEST OUT OF 89 YEARS
                                            (RECORD SNOWIEST WAS 9.3 IN 1984)
                                            (SNOWIEST SINCE 0.1 IN 2019)

...BILLINGS SEPTEMBER 2022 BROKEN OR TIED DAILY SNOWFALL RECORDS...

NONE

...BILLINGS AVERAGE TEMPERATURES...

 MONTH   2022 VALUES  NORMALS   DEPARTURE  RANKING

SEPTEMBER    67.1      61.4      +5.7      2ND WARMEST OUT OF 89 YEARS
                                           (RECORD WARMEST WAS 67.2 IN 1938)
                                           (WARMEST SINCE 67.2 IN 1938)

...BILLINGS AVERAGE HIGH TEMPERATURES...

 MONTH   2022 VALUES  NORMALS   DEPARTURE  RANKING

SEPTEMBER    80.9      74.3      +6.6      5TH WARMEST OUT OF 89 YEARS
                                           (RECORD WARMEST WAS 82.4 IN 1938)
                                           (WARMEST SINCE 82.1 IN 2009)

...BILLINGS SEPTEMBER 2022 BROKEN OR TIED WARMEST DAILY HIGH TEMPERATURE RECORDS...

101 ON SEPTEMBER  3 (OLD RECORD 97 IN 1950)
100 ON SEPTEMBER  4 (TIED RECORD IN 1950)
102 ON SEPTEMBER  7 (OLD RECORD 97 IN 1998)

...BILLINGS SEPTEMBER 2022 BROKEN OR TIED COLDEST DAILY HIGH TEMPERATURE RECORDS...

NONE

...BILLINGS AVERAGE LOW TEMPERATURES...

 MONTH   2022 VALUES  NORMALS   DEPARTURE  RANKING

SEPTEMBER    53.3      48.6      +4.7      TIED FOR THE 2ND WARMEST OUT OF 89 YEARS
                                           (RECORD WARMEST WAS 53.8 IN 1940)
                                           (WARMEST SINCE 53.3 IN 1998)

...BILLINGS SEPTEMBER 2022 BROKEN OR TIED WARMEST DAILY LOW TEMPERATURE RECORDS...

NONE

...BILLINGS SEPTEMBER 2022 BROKEN OR TIED COLDEST DAILY LOW TEMPERATURE RECORDS...

NONE

...BILLINGS MONTHLY WIND AVERAGES...

 MONTH   2022 VALUES  NORMALS    DEPARTURE  RANKING

SEPTEMBER     9.0       9.5       -0.5      20TH LEAST WINDIEST OUT OF 73 YEARS
                                            (RECORD LEAST WINDIEST WAS 7.7 IN 2008)
                                            (LEAST WINDIEST SINCE 8.7 IN 2018)

$$



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