026  
CXUS55 KTFX 011019  
CLMHVR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
419 AM MDT FRI JUN 1 2018  
   
...............................
 
 
   
..THE HAVRE MT CLIMATE SUMMARY FOR THE MONTH OF MAY 2018
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1880 TO 2018  
 
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S  
VALUE DATE(S) VALUE FROM VALUE  
NORMAL    
.........................................................
 
 
TEMPERATURE (F)  
RECORD  
HIGH 98 05/21/1980  
05/29/1936  
05/27/1936  
LOW 14 05/02/2005  
05/02/1954  
HIGHEST 87 05/26 73 14 91  
LOWEST 34 05/02 35 -1 31  
05/01  
AVG. MAXIMUM 74.0 67.5 6.5 72.7  
AVG. MINIMUM 45.8 40.5 5.3 39.2  
MEAN 59.9 54.0 5.9 55.9  
DAYS MAX >= 90 0 0.5 -0.5 2  
DAYS MAX <= 32 0 0.0 0.0 0  
DAYS MIN <= 32 0 3.9 -3.9 2  
DAYS MIN <= 0 0 0.0 0.0 0  
 
PRECIPITATION (INCHES)  
RECORD  
MAXIMUM 7.09 1927  
MINIMUM 0.13 1918  
TOTALS 1.31 1.74 -0.43 0.34  
DAYS >= .01 7 9.7 -2.7  
DAYS >= .10 5 4.7 0.3  
DAYS >= .50 0 1.0 -1.0  
DAYS >= 1.00 0 0.1 -0.1  
GREATEST  
24 HR. TOTAL 0.44 05/11 TO 05/11  
 
SNOWFALL (INCHES)  
RECORDS  
TOTAL 33.4 1899  
24 HR TOTAL 24.8  
SNOW DEPTH 31 05/02/1899  
TOTALS 0.0 1.8 -1.8 0.0  
SNOWDEPTH AVG. 0  
DAYS >= TRACE 0 0.5 -0.5  
DAYS >= 1.0 0 0.3 -0.3  
GREATEST  
SNOW DEPTH 0 MM 0  
24 HR TOTAL 0.0 05/31 TO 05/31  
 
DEGREE_DAYS  
HEATING TOTAL 177 351 -174 282  
SINCE 7/1 9153 8088 1065 7777  
COOLING TOTAL 25 10 15 11  
SINCE 1/1 25 11 14 11    
..........................................................
 
 
WIND (MPH)  
AVERAGE WIND SPEED 8.9  
HIGHEST WIND SPEED/DIRECTION 29/090 DATE 05/10  
HIGHEST GUST SPEED/DIRECTION 36/260 DATE 05/04  
 
SKY COVER  
AVERAGE SKY COVER 0.30  
 
AVERAGE RH (PERCENT) 61  
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
0  
5  
0  
0  
0  
0  
1  
HAZE 0  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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