Climatological Report (Monthly)
Issued by NWS Billings, MT
Issued by NWS Billings, MT
000
CXUS55 KBYZ 011037
CLMBIL
CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
434 AM MDT SUN OCT 01 2023
...................................
...THE BILLINGS MT CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2023...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1934 TO 2023
WEATHER OBSERVED NORMAL DEPART
VALUE DATE(S) VALUE FROM
NORMAL
................................................
TEMPERATURE (F)
HIGHEST 94 09/02
LOWEST 41 09/29
AVG. MAXIMUM 77.5 74.3 3.2
AVG. MINIMUM 52.3 48.6 3.7
MEAN 64.9 61.4 3.5
DAYS MAX >= 90 3
DAYS MAX <= 32 0
DAYS MIN <= 32 0
DAYS MIN <= 0 0
PRECIPITATION (INCHES)
TOTALS 0.57 1.36 -0.79
DAYS >= .01 9
DAYS >= .10 2
DAYS >= .50 0
DAYS >= 1.00 0
GREATEST
24 HR. TOTAL 0.37 09/21 TO 09/22
SNOWFALL (INCHES)
TOTALS 0.0 0.3 -0.3
SINCE 7/1 T 0.3 -0.3
SNOWDEPTH AVG. 0
DAYS >= TRACE 0
DAYS >= 1.0 0
GREATEST
SNOW DEPTH 0
24 HR TOTAL MM
DEGREE DAYS
HEATING TOTAL 76 168 -92
SINCE 7/1 92 204 -112
COOLING TOTAL 80 62 18
SINCE 1/1 712 657 55
................................................
WIND (MPH)
AVERAGE WIND SPEED 8.6
HIGHEST WIND SPEED/DIRECTION 32/270 DATE 09/18
HIGHEST GUST SPEED/DIRECTION 44/280 DATE 09/18
AVERAGE RH (PERCENT) 50
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 4 MIXED PRECIP 0
HEAVY RAIN 2 RAIN 11
LIGHT RAIN 11 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 5 FOG W/VIS <= 1/4 MILE 1
HAZE 3
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
&&
...SEPTEMBER 2023 MONTH IN REVIEW FOR BILLINGS...
BELOW IS A SUMMARY OF THE TEMPERATURE...PRECIPITATION...AND WIND
STATISTICS FOR BILLINGS FOR SEPTEMBER 2023. 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 2023 VALUES NORMALS DEPARTURE RANKING
SEPTEMBER 0.57 1.36 -0.79 TIED FOR THE 22ND DRIEST OUT OF 90 YEARS
(RECORD DRIEST WAS T IN 2012)
(DRIEST SINCE 0.04 IN 2021)
...BILLINGS SEPTEMBER 2023 BROKEN OR TIED DAILY PRECIPITATION RECORDS...
NONE
...BILLINGS MONTHLY SNOWFALL...
MONTH 2023 VALUES NORMALS DEPARTURE RANKING
SEPTEMBER 0.0 0.3 0.3 TIED FOR THE RECORD LEAST SNOWIEST OUT OF 90 YEARS
(OLD RECORD LEAST SNOWIEST WAS 0.0 TIED IN 2021)
...BILLINGS SEPTEMBER 2023 BROKEN OR TIED DAILY SNOWFALL RECORDS...
NONE
...BILLINGS AVERAGE TEMPERATURES...
MONTH 2023 VALUES NORMALS DEPARTURE RANKING
SEPTEMBER 64.9 61.4 +3.5 TIED FOR THE 12TH WARMEST OUT OF 90 YEARS
(RECORD WARMEST WAS 67.2 IN 1938)
(WARMEST SINCE 67.1 IN 2022)
...BILLINGS AVERAGE HIGH TEMPERATURES...
MONTH 2023 VALUES NORMALS DEPARTURE RANKING
SEPTEMBER 77.5 74.3 +3.2 22ND WARMEST OUT OF 90 YEARS
(RECORD WARMEST WAS 82.4 IN 1938)
(WARMEST SINCE 80.9 IN 2022)
...BILLINGS SEPTEMBER 2023 BROKEN OR TIED WARMEST DAILY HIGH TEMPERATURE RECORDS...
NONE
...BILLINGS SEPTEMBER 2023 BROKEN OR TIED COLDEST DAILY HIGH TEMPERATURE RECORDS...
NONE
...BILLINGS AVERAGE LOW TEMPERATURES...
MONTH 2023 VALUES NORMALS DEPARTURE RANKING
SEPTEMBER 52.3 48.6 +3.7 7TH WARMEST OUT OF 90 YEARS
(RECORD WARMEST WAS 53.8 IN 1940)
(WARMEST SINCE 53.3 IN 2022)
...BILLINGS SEPTEMBER 2023 BROKEN OR TIED WARMEST DAILY LOW TEMPERATURE RECORDS...
NONE
...BILLINGS SEPTEMBER 2023 BROKEN OR TIED COLDEST DAILY LOW TEMPERATURE RECORDS...
NONE
...BILLINGS MONTHLY WIND AVERAGES...
MONTH 2023 VALUES NORMALS DEPARTURE RANKING
SEPTEMBER 8.6 9.5 -0.9 TIED FOR THE 8TH LEAST WINDIEST OUT OF 74 YEARS
(RECORD LEAST WINDIEST WAS 7.7 IN 2008)
(LEAST WINDIEST SINCE 8.0 IN 2012)
$$