375  
CXUS55 KRIW 021613  
CLMBYG  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1013 AM MDT FRI MAY 02 2025  
   
...............................  
 
   
..THE BUFFALO WY CLIMATE SUMMARY FOR THE MONTH OF APRIL 2025  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2025  
 
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S  
VALUE DATE(S) VALUE FROM VALUE  
NORMAL    
..........................................................  
 
TEMPERATURE (F)  
RECORD  
HIGH 84 04/28/2018  
LOW 2 04/02/2020  
HIGHEST 79 04/11  
LOWEST 20 04/05  
04/14  
AVG. MAXIMUM 54.4 53.4 1.0  
AVG. MINIMUM 30.7 32.3 -1.6  
MEAN 42.6 42.9 -0.3  
DAYS MAX >= 90 0  
DAYS MAX <= 32 0  
DAYS MIN <= 32 16  
DAYS MIN <= 0 0  
 
PRECIPITATION (INCHES)  
RECORD  
MAXIMUM 3.38 1999  
MINIMUM 0.21 2007  
TOTALS 0.91 1.46 -0.55 0.57  
DAILY AVG. 0.03 0.05 -0.02  
DAYS >= .01 8  
DAYS >= .10 3  
DAYS >= .50 0  
DAYS >= 1.00 0  
GREATEST  
24 HR. TOTAL 0.44 04/28 TO 04/28  
STORM TOTAL 0.44  
 
DEGREE DAYS  
HEATING TOTAL 667 665 2  
SINCE 7/1 6440 6725 -285  
COOLING TOTAL 0 0 0  
SINCE 1/1 0 0 0    
..........................................................  
 
WIND (MPH)  
AVERAGE WIND SPEED 11.2  
RESULTANT WIND SPEED/DIRECTION 5/330  
HIGHEST WIND SPEED/DIRECTION 44/350 DATE 04/13  
HIGHEST GUST SPEED/DIRECTION 59/340 DATE 04/13  
 
SKY COVER  
POSSIBLE SUNSHINE (PERCENT) MM  
AVERAGE SKY COVER 0.40  
NUMBER OF DAYS FAIR 16  
NUMBER OF DAYS PC 7  
NUMBER OF DAYS CLOUDY 7  
 
AVERAGE RH (PERCENT) 61  
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
THUNDERSTORM 1 MIXED PRECIP 0  
HEAVY RAIN 0 RAIN 1  
LIGHT RAIN 8 FREEZING RAIN 0  
LT FREEZING RAIN 0 HAIL 0  
HEAVY SNOW 1 SNOW 3  
LIGHT SNOW 8 SLEET 0  
FOG 11 FOG W/VIS <= 1/4 MILE 4  
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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