143
CXUS55 KBYZ 011044
CLMBHK
CLIMATE REPORT ...RESENT
NATIONAL WEATHER SERVICE BILLINGS MT
441 AM MDT THU OCT 01 2026
...............................
..THE BAKER MT CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2026
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1998 TO 2026
WEATHER OBSERVED NORMAL DEPART
VALUE DATE(S) VALUE FROM
NORMAL
............................................
TEMPERATURE (F)
HIGHEST 101 09/04
LOWEST 39 09/13
09/17
AVG. MAXIMUM 77.4 73.3 4.1
AVG. MINIMUM 49.4 44.0 5.4
MEAN 63.4 58.6 4.8
DAYS MAX >= 90 3
DAYS MAX <= 32 0
DAYS MIN <= 32 0
DAYS MIN <= 0 0
PRECIPITATION (INCHES)
TOTALS 0.97 1.53 -0.56
DAYS >= .01 5
DAYS >= .10 4
DAYS >= .50 0
DAYS >= 1.00 0
GREATEST
24 HR. TOTAL 0.62 09/19 TO 09/20
DEGREE DAYS
HEATING TOTAL 104 230 -126
SINCE 7/1 117 286 -169
COOLING TOTAL 65 39 26
SINCE 1/1 691 466 225
............................................
WIND (MPH)
AVERAGE WIND SPEED 11.8
HIGHEST WIND SPEED/DIRECTION 48/200 DATE 09/07
HIGHEST GUST SPEED/DIRECTION 66/200 DATE 09/07
AVERAGE RH (PERCENT) 63
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 5 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 4
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 2
HAZE 0
- 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 2026 MONTH IN REVIEW FOR BAKER
BELOW IS A SUMMARY OF THE TEMPERATURE AND PRECIPITATION
STATISTICS FOR BAKER FOR SEPTEMBER 2026. 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 AND TEMPERATURES USE A PERIOD
OF RECORD THAT STARTED IN MARCH 1998 AT OR NEAR THE BAKER AIRPORT.
NUMBERS DENOTED WITH AN * IS MISSING DATA IN THE CALCULATION.
.. MONTHLY PRECIPITATION
MONTH 2026 VALUES NORMALS DEPARTURE RANKING
SEPTEMBER 0.97 1.53 -0.56 TIED FOR THE 10TH DRIEST OUT OF 29 YEARS
(RECORD DRIEST WAS 0.29 IN 2022)
(DRIEST SINCE 0.35 IN 2024)
.. SEPTEMBER 2026 BROKEN OR TIED DAILY PRECIPITATION RECORDS
NONE
NOTE: SINCE THE LATE 1990S...BAKER HAS BEEN AN AUTOMATED AND UNATTENDED
WEATHER STATION. PRECIPITATION AMOUNTS IN THE WINTER MAY BE UNDERESTIMATED.
.. AVERAGE TEMPERATURES
MONTH 2026 VALUES NORMALS DEPARTURE RANKING
SEPTEMBER 63.4 58.6 +4.8 4TH WARMEST OUT OF 29 YEARS
(RECORD WARMEST WAS 65.1 IN 2024)
(WARMEST SINCE 65.1 IN 2024)
.. AVERAGE HIGH TEMPERATURES
MONTH 2026 VALUES NORMALS DEPARTURE RANKING
SEPTEMBER 77.4 73.3 +4.1 9TH WARMEST OUT OF 29 YEARS
(RECORD WARMEST WAS 83.3 IN 2024)
(WARMEST SINCE 79.3 IN 2025)
... SEPTEMBER 2026 BROKEN OR TIED WARMEST DAILY HIGH TEMPERATURE RECORDS...
101 ON SEPTEMBER 4 (TIED RECORD IN 1998)
97 ON SEPTEMBER 6 (OLD RECORD 96 IN 2013)
... SEPTEMBER 2026 BROKEN OR TIED COLDEST DAILY HIGH TEMPERATURE RECORDS...
NONE
.. AVERAGE LOW TEMPERATURES
MONTH 2026 VALUES NORMALS DEPARTURE RANKING
SEPTEMBER 49.4 44.0 +5.4 RECORD WARMEST OUT OF 29 YEARS
(OLD RECORD WARMEST WAS 49.1 IN 2013)
... SEPTEMBER 2026 BROKEN OR TIED WARMEST DAILY LOW TEMPERATURE RECORDS...
58 ON SEPTEMBER 18 (OLD RECORD 56 IN 1998)
57 ON SEPTEMBER 19 (OLD RECORD 53 IN 2014)
55 ON SEPTEMBER 28 (OLD RECORD 54 IN 2001)
... SEPTEMBER 2026 BROKEN OR TIED COLDEST DAILY LOW TEMPERATURE RECORDS...
NONE
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