Climatological Report (Monthly)
Issued by NWS Billings, MT

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820
CXUS55 KBYZ 011211
CLMBIL


CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
609 AM MDT THU AUG 1 2019

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

...THE BILLINGS MT CLIMATE SUMMARY FOR THE MONTH OF JULY 2019...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1934 TO 2019

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
HIGHEST            98   07/31
                        07/24
LOWEST             53   07/10
AVG. MAXIMUM     87.1              86.8     0.3
AVG. MINIMUM     61.0              58.8     2.2
MEAN             74.1              72.8     1.3
DAYS MAX >= 90     13
DAYS MAX <= 32      0
DAYS MIN <= 32      0
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
TOTALS           2.08              1.32    0.76
DAYS >= .01        15
DAYS >= .10         8
DAYS >= .50         1
DAYS >= 1.00        0
GREATEST
 24 HR. TOTAL    0.56   07/14 TO 07/14

SNOWFALL (INCHES)
TOTALS              T               0.0     0.0
SINCE 7/1           T               0.0     0.0
SNOWDEPTH AVG.      0
DAYS >= TRACE       1
DAYS >= 1.0         0
GREATEST
 SNOW DEPTH         0
 24 HR TOTAL        T   07/14 TO 07/14

DEGREE_DAYS
HEATING TOTAL       5                15     -10
 SINCE 7/1          5                15     -10
COOLING TOTAL     293               256      37
 SINCE 1/1        416               358      58
.................................................

WIND (MPH)
AVERAGE WIND SPEED              7.8
HIGHEST WIND SPEED/DIRECTION    38/260    DATE  07/01
HIGHEST GUST SPEED/DIRECTION    50/250    DATE  07/13

AVERAGE RH (PERCENT)     51

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             14     MIXED PRECIP               0
HEAVY RAIN                5     RAIN                       4
LIGHT RAIN               21     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       1
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       5     FOG W/VIS <= 1/4 MILE      0
HAZE                      1

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

&&

...JULY 2019 MONTH IN REVIEW FOR BILLINGS...

BELOW IS A SUMMARY OF THE TEMPERATURE...PRECIPITATION...AND WIND
STATISTICS FOR BILLINGS FOR JULY 2019. ALL TEMPERATURES ARE IN
DEGREES FAHRENHEIT AND ALL PRECIPITATION AMOUNTS ARE IN INCHES. NORMALS
ARE 30 YEAR AVERAGES CALCULATED FROM 1981 TO 2010. 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   2019 VALUES  NORMALS    DEPARTURE  RANKING

JULY         2.08     1.32       +0.76      8TH WETTEST OUT OF 85 YEARS
                                            (RECORD WETTEST WAS 5.08 IN 1993)
                                            (WETTEST SINCE 2.27 IN 2004)

...BILLINGS JULY 2019 BROKEN OR TIED DAILY PRECIPITATION RECORDS...

NONE

...BILLINGS MONTHLY SNOWFALL...

 MONTH   2019 VALUES  NORMALS    DEPARTURE  RANKING

JULY            T       0.0         +T      NOT DETERMINED

...BILLINGS JULY 2019 BROKEN OR TIED DAILY SNOWFALL RECORDS...

T ON JULY 14 (TIED RECORD IN 1991)

...BILLINGS AVERAGE TEMPERATURES...

 MONTH   2019 VALUES  NORMALS   DEPARTURE  RANKING

JULY         74.1      72.8      +1.3      33RD WARMEST OUT OF 85 YEARS
                                           (RECORD WARMEST WAS 81.0 IN 1936)
                                           (WARMEST SINCE 78.3 IN 2017)

...BILLINGS AVERAGE HIGH TEMPERATURES...

 MONTH   2019 VALUES  NORMALS   DEPARTURE  RANKING

JULY         87.1      86.8      +0.3      41ST COLDEST OUT OF 85 YEARS
                                           (RECORD COLDEST WAS 73.5 IN 1993)
                                           (COLDEST SINCE 86.3 IN 2018)

...BILLINGS JULY 2019 BROKEN OR TIED WARMEST DAILY HIGH TEMPERATURE RECORDS...

NONE

...BILLINGS JULY 2019 BROKEN OR TIED COLDEST DAILY HIGH TEMPERATURE RECORDS...

NONE

...BILLINGS AVERAGE LOW TEMPERATURES...

 MONTH   2019 VALUES  NORMALS   DEPARTURE  RANKING

JULY         61.0      58.8      +2.2      TIED FOR THE 11TH WARMEST OUT OF 85 YEARS
                                           (RECORD WARMEST WAS 65.7 IN 1936)
                                           (WARMEST SINCE 63.5 IN 2017)

...BILLINGS JULY 2019 BROKEN OR TIED WARMEST DAILY LOW TEMPERATURE RECORDS...

NONE

...BILLINGS JULY 2019 BROKEN OR TIED COLDEST DAILY LOW TEMPERATURE RECORDS...

NONE

...BILLINGS MONTHLY WIND AVERAGES...

 MONTH   2019 VALUES  NORMALS    DEPARTURE  RANKING

JULY          7.8       8.9       -1.1      2ND LEAST WINDIEST OUT OF 70 YEARS
                                            (RECORD LEAST WINDIEST WAS 7.6 IN 2011)
                                            (LEAST WINDIEST SINCE 7.6 IN 2011)

$$





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