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000
CXUS55 KBYZ 011128
CLMBIL

CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
527 AM MDT MON MAY 01 2023

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

...THE BILLINGS MT CLIMATE SUMMARY FOR THE MONTH OF APRIL 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           80   04/11
LOWEST            20   04/05
AVG. MAXIMUM    56.1               56.9    -0.8
AVG. MINIMUM    33.0               34.7    -1.7
MEAN            44.5               45.8    -1.3
DAYS MAX >= 90     0
DAYS MAX <= 32     1
DAYS MIN <= 32    16
DAYS MIN <= 0      0

PRECIPITATION (INCHES)
TOTALS          0.78               1.72   -0.94
DAYS >= .01        7
DAYS >= .10        2
DAYS >= .50        0
DAYS >= 1.00       0
GREATEST
 24 HR. TOTAL   0.44   04/13 TO 04/13

SNOWFALL (INCHES)
TOTALS           1.7                7.5    -5.8
SINCE 7/1       56.1               56.5    -0.4
SNOWDEPTH AVG.     0
DAYS >= TRACE      9
DAYS >= 1.0        0
GREATEST
 SNOW DEPTH        1   04/01
                       04/05
 24 HR TOTAL      MM

DEGREE DAYS
HEATING TOTAL    607                577      30
 SINCE 7/1      6799               6351     448
COOLING TOTAL      0                  1      -1
 SINCE 1/1         0                  1      -1
................................................

WIND (MPH)
AVERAGE WIND SPEED              10.6
HIGHEST WIND SPEED/DIRECTION    40/290    DATE  04/02
HIGHEST GUST SPEED/DIRECTION    51/270    DATE  04/02

AVERAGE RH (PERCENT)     53

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               1
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                5     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                1     SNOW                       1
LIGHT SNOW                9     SLEET                      0
FOG                       8     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.

&&

...APRIL 2023 MONTH IN REVIEW FOR BILLINGS...

BELOW IS A SUMMARY OF THE TEMPERATURE...PRECIPITATION...AND WIND
STATISTICS FOR BILLINGS FOR APRIL 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

APRIL        0.78     1.72       -0.94      TIED FOR THE 20TH DRIEST OUT OF 89 YEARS
                                            (RECORD DRIEST WAS 0.06 IN 1962)
                                            (DRIEST SINCE 0.40 IN 2020)

...BILLINGS APRIL 2023 BROKEN OR TIED DAILY PRECIPITATION RECORDS...

NONE

...BILLINGS MONTHLY SNOWFALL...

 MONTH   2023 VALUES  NORMALS    DEPARTURE  RANKING

APRIL         1.7       7.5       -5.8      19TH LEAST SNOWIEST OUT OF 89 YEARS
                                            (RECORD LEAST SNOWIEST WAS 0.0 TIED IN 1949)
                                            (LEAST SNOWIEST SINCE 0.4 IN 2019)

...BILLINGS APRIL 2023 BROKEN OR TIED DAILY SNOWFALL RECORDS...

NONE

...BILLINGS AVERAGE TEMPERATURES...

 MONTH   2023 VALUES  NORMALS   DEPARTURE  RANKING

APRIL        44.6      45.8      -1.2      TIED FOR THE 36TH COLDEST OUT OF 89 YEARS
                                           (RECORD COLDEST WAS 37.1 IN 1975)
                                           (COLDEST SINCE 39.6 IN 2022)

...BILLINGS AVERAGE HIGH TEMPERATURES...

 MONTH   2023 VALUES  NORMALS   DEPARTURE  RANKING

APRIL        56.1      56.9      -0.8      42ND COLDEST OUT OF 89 YEARS
                                           (RECORD COLDEST WAS 45.7 IN 1975)
                                           (COLDEST SINCE 50.7 IN 2022)

...BILLINGS APRIL 2023 BROKEN OR TIED WARMEST DAILY HIGH TEMPERATURE RECORDS...

80 ON APRIL 11 (TIED RECORD IN 1949)

...BILLINGS APRIL 2023 BROKEN OR TIED COLDEST DAILY HIGH TEMPERATURE RECORDS...

NONE

...BILLINGS AVERAGE LOW TEMPERATURES...

 MONTH   2023 VALUES  NORMALS   DEPARTURE  RANKING

APRIL        33.0      34.7      -1.7      32ND COLDEST OUT OF 89 YEARS
                                           (RECORD COLDEST WAS 28.4 IN 2022)
                                           (COLDEST SINCE 28.4 IN 2022)

...BILLINGS APRIL 2023 BROKEN OR TIED WARMEST DAILY LOW TEMPERATURE RECORDS...

45 ON APRIL 10 (TIED RECORD IN 1943)

...BILLINGS APRIL 2023 BROKEN OR TIED COLDEST DAILY LOW TEMPERATURE RECORDS...

NONE

...BILLINGS MONTHLY WIND AVERAGES...

 MONTH   2023 VALUES  NORMALS    DEPARTURE  RANKING

APRIL        10.6      10.5       +0.1      27TH LEAST WINDIEST OUT OF 74 YEARS
                                            (RECORD LEAST WINDIEST WAS 8.8 IN 1983)
                                            (LEAST WINDIEST SINCE 10.2 IN 2019)

$$