063  
CXUS55 KBYZ 011221  
CLMMLS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BILLINGS MT  
617 AM MDT SAT AUG 01 2020  
   
...............................
 
 
   
..THE MILES CITY MT CLIMATE SUMMARY FOR THE MONTH OF JULY 2020
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1937 TO 2020  
 
WEATHER OBSERVED NORMAL DEPART  
VALUE DATE(S) VALUE FROM  
NORMAL    
............................................
 
 
TEMPERATURE (F)  
HIGHEST 102 07/22  
LOWEST 47 07/15  
AVG. MAXIMUM 88.4 88.3 0.1  
AVG. MINIMUM 57.8 59.5 -1.7  
MEAN 73.1 73.9 -0.8  
DAYS MAX >= 90 11  
DAYS MAX <= 32 0  
DAYS MIN <= 32 0  
DAYS MIN <= 0 0  
 
PRECIPITATION (INCHES)  
TOTALS 0.92 1.64 -0.72  
DAYS >= .01 10  
DAYS >= .10 4  
DAYS >= .50 0  
DAYS >= 1.00 0  
GREATEST  
24 HR. TOTAL 0.21 07/20 TO 07/20  
 
DEGREE DAYS  
HEATING TOTAL 0 10 -10  
SINCE 7/1 0 10 -10  
COOLING TOTAL 260 288 -28  
SINCE 1/1 367 415 -48    
............................................
 
 
WIND (MPH)  
AVERAGE WIND SPEED 8.5  
HIGHEST WIND SPEED/DIRECTION 58/310 DATE 07/07  
HIGHEST GUST SPEED/DIRECTION 74/300 DATE 07/07  
 
AVERAGE RH (PERCENT) 51  
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
THUNDERSTORM 7 MIXED PRECIP 0  
HEAVY RAIN 4 RAIN 3  
LIGHT RAIN 16 FREEZING RAIN 0  
LT FREEZING RAIN 0 HAIL 0  
HEAVY SNOW 0 SNOW 0  
LIGHT SNOW 0 SLEET 0  
FOG 3 FOG W/VIS <= 1/4 MILE 0  
HAZE 5  
 
- 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.  
   
..JULY 2020 MONTH IN REVIEW FOR MILES CITY
 
 
BELOW IS A SUMMARY OF THE TEMPERATURE AND PRECIPITATION  
STATISTICS FOR MILES CITY FOR JULY 2020. 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 AND TEMPERATURES USE A PERIOD OF RECORD  
THAT STARTED IN FEBRUARY 1937 AT THE MILES CITY AIRPORT.  
 
NUMBERS DENOTED WITH AN * IS MISSING DATA IN THE CALCULATION.  
   
..MILES CITY MONTHLY PRECIPITATION
 
 
MONTH 2020 VALUES NORMALS DEPARTURE RANKING  
 
JULY 0.92 1.64 -0.72 TIED FOR THE 34TH DRIEST OUT OF 84 YEARS  
(RECORD DRIEST WAS T TIED IN 2017)  
(DRIEST SINCE T IN 2017)  
   
..MILES CITY JULY 2020 BROKEN OR TIED DAILY PRECIPITATION RECORDS
 
 
NONE  
 
NOTE: SINCE THE LATE 1990S...MILES CITY BECAME AN AUTOMATED AND UNATTENDED  
WEATHER STATION. PRECIPITATION AMOUNTS IN THE WINTER MAY BE UNDERESTIMATED.  
   
..MILES CITY AVERAGE TEMPERATURES
 
 
MONTH 2020 VALUES NORMALS DEPARTURE RANKING  
 
JULY 73.1 73.9 -0.8 TIED FOR THE 23RD COLDEST OUT OF 84 YEARS  
(RECORD COLDEST WAS 64.2 IN 1993)  
(COLDEST SINCE 72.3 IN 2019)  
   
..MILES CITY AVERAGE HIGH TEMPERATURES
 
 
MONTH 2020 VALUES NORMALS DEPARTURE RANKING  
 
JULY 88.4 88.3 +0.1 35TH COLDEST OUT OF 84 YEARS  
(RECORD COLDEST WAS 74.5 IN 1993)  
(COLDEST SINCE 85.4 IN 2019)  
 
...MILES CITY JULY 2020 BROKEN OR TIED WARMEST DAILY HIGH TEMPERATURE RECORDS...  
 
NONE  
 
...MILES CITY JULY 2020 BROKEN OR TIED COLDEST DAILY HIGH TEMPERATURE RECORDS...  
 
NONE  
   
..MILES CITY AVERAGE LOW TEMPERATURES
 
 
MONTH 2020 VALUES NORMALS DEPARTURE RANKING  
 
JULY 57.8 59.5 -1.7 TIED FOR THE 13TH COLDEST OUT OF 84 YEARS  
(RECORD COLDEST WAS 53.8 IN 1993)  
(COLDEST SINCE 57.5 IN 1996)  
 
...MILES CITY JULY 2020 BROKEN OR TIED WARMEST DAILY LOW TEMPERATURE RECORDS...  
 
NONE  
 
...MILES CITY JULY 2020 BROKEN OR TIED COLDEST DAILY LOW TEMPERATURE RECORDS...  
 
49 ON JULY 9 (TIED RECORD IN 1944)  
47 ON JULY 15 (OLD RECORD 49 IN 1976)  
 

 
 
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