Climatological Report (Monthly)
Issued by NWS Billings, MT

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637
CXUS55 KBYZ 011156
CLMBIL

CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
456 AM MST MON JAN 01 2024

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

...THE BILLINGS MT CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 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           61   12/05
                       12/06
LOWEST            13   12/25
AVG. MAXIMUM    45.8               36.1     9.7
AVG. MINIMUM    28.0               19.2     8.8
MEAN            36.9               27.6     9.3
DAYS MAX >= 90     0
DAYS MAX <= 32     3
DAYS MIN <= 32    21
DAYS MIN <= 0      0

PRECIPITATION (INCHES)
TOTALS          0.33               0.57   -0.24
DAYS >= .01        3
DAYS >= .10        1
DAYS >= .50        0
DAYS >= 1.00       0
GREATEST
 24 HR. TOTAL   0.23   12/23 TO 12/23

SNOWFALL (INCHES)
TOTALS           1.8                9.8    -8.0
SINCE 7/1        8.5               21.1   -12.6
SNOWDEPTH AVG.     0
DAYS >= TRACE      3
DAYS >= 1.0        1
GREATEST
 SNOW DEPTH        1   12/24
                       12/25
 24 HR TOTAL      MM

DEGREE DAYS
HEATING TOTAL    865               1158    -293
 SINCE 7/1      2224               2761    -537
COOLING TOTAL      0                  0       0
 SINCE 1/1       715                662      53
................................................

WIND (MPH)
AVERAGE WIND SPEED              13.8
HIGHEST WIND SPEED/DIRECTION    36/270    DATE  12/03
HIGHEST GUST SPEED/DIRECTION    48/310    DATE  12/07

AVERAGE RH (PERCENT)     54

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       1
LIGHT RAIN                4     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       1
LIGHT SNOW                3     SLEET                      0
FOG                       2     FOG W/VIS <= 1/4 MILE      0
HAZE                      0

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

$$