447  
CXUS56 KHNX 020010  
CLMHJO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE HANFORD  
510 PM PDT SUN JUN 01 2025  
   
...............................
 
 
...THE HANFORD CA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF MAY 2025...  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1898 TO 2025  
 
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S  
VALUE DATE(S) VALUE FROM VALUE DATE(S)  
NORMAL    
............................................................
 
 
TEMPERATURE (F)  
RECORD  
HIGH 107 05/30/1984  
LOW 30 05/26/1917  
05/18/1917  
HIGHEST 102 05/31 MM 97 05/31  
LOWEST 47 05/14 MM 43 05/05  
MEAN 70.8 69.2 1.6  
DAYS MAX >= 90 10 8.6 1.4 14  
DAYS MIN <= 32 0 0.0 0.0 0  
 
PRECIPITATION (INCHES)  
RECORD  
MAXIMUM 2.06 1906  
MINIMUM 0.00  
TOTALS T 0.35 -0.35  
DAYS >= .01 0 2.5 -2.5 1  
DAYS >= .10 0 1.0 -1.0 1  
DAYS >= .50 0 0.2 -0.2 0  
DAYS >= 1.00 0 0.0 0.0 0  
 
SNOWFALL (INCHES)  
RECORDS  
TOTAL MM MM  
TOTALS MM MM  
 
DEGREE DAYS  
HEATING TOTAL 10 32 -22 23  
SINCE 7/1 2072 2417 -345 MM  
COOLING TOTAL 198 162 36 204  
SINCE 1/1 237 207 30 MM    
............................................................
 
 
WIND (MPH)  
AVERAGE WIND SPEED 7.3  
HIGHEST WIND SPEED/DIRECTION 25/320 DATE 05/12  
HIGHEST GUST SPEED/DIRECTION 34/310 DATE 05/12  
 
AVERAGE RH (PERCENT) 49  
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
THUNDERSTORM 0 RAIN 0  
HAIL 0 FOG 0  
FOG W/VIS <= 1/4 MILE 0 HAZE 4  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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